Avaya Configuring IP Services Manuale Utente

Part No. 117356-D Rev 00November 1998BayRS Version 13.10Site Manager Software Version 7.10 BCC Version 4.10 Configuring IP Services

x117356-D Rev 00Supplying an OSPF ID ...7-11Configuring the S

Configuring IP Services4-24117356-D Rev 00Customizing the IP Routing Table StructureStructurally, the IP routing table consists of indexes and entries

Configuring and Customizing IP117356-D Rev 004-25 Specifying the Percentage of Buffers Available to ARPBy default, ARP can use 100 percent of the avai

Configuring IP Services4-26117356-D Rev 00Customizing an IP InterfaceAn IP network interface consists of a physical circuit configured with the approp

Configuring and Customizing IP117356-D Rev 004-27 Note: When you reconfigure an interface in dynamic mode, IP restarts on that interface. Thus, if the

Configuring IP Services4-28117356-D Rev 00When you configure an IP interface on a circuit, the interface is enabled with default values for all interf

Configuring and Customizing IP117356-D Rev 004-29 Navigating the BCC to an IP Interface PromptBeginning at the prompt for the slot/connector on which

Configuring IP Services4-30117356-D Rev 00Opening the Site Manager Window for IP Interface ParametersUse the following Site Manager procedure to open

Configuring and Customizing IP117356-D Rev 004-31 Configuring a Multinet InterfaceThe multinet capability allows you to assign multiple IP network/sub

Configuring IP Services4-32117356-D Rev 00Disabling and Reenabling an IP InterfaceWhen you configure an IP interface on a circuit, the interface is au

Configuring and Customizing IP117356-D Rev 004-33 Specifying a Broadcast Address for an InterfaceIn broadcasting, the IP router transmits a single pac

117356-D Rev 00xiSupplying Modification Values for an OSPF Accept Policy ...7-62Specifying Matching Criteria for an O

Configuring IP Services4-34117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing IP117356-D Rev 004-35 Specifying a Subnet Broadcast AddressYou configure a broadcast address for a subnet differently from

Configuring IP Services4-36117356-D Rev 00Using Site ManagerEnabling MTU Discovery on an InterfaceA probe MTU is a request for the maximum transmissio

Configuring and Customizing IP117356-D Rev 004-37 Using the BCCNavigate to an IP interface-specific prompt and enter:mtu-discovery <state>state

Configuring IP Services4-38117356-D Rev 00Enabling and Disabling ICMP Address-Mask RepliesYou can configure IP to generate ICMP (Internet Control Mess

Configuring and Customizing IP117356-D Rev 004-39 Using Site ManagerDisabling and Reenabling ICMP Redirect MessagesAn ICMP redirect is a message sent

Configuring IP Services4-40117356-D Rev 00Using the BCCNavigate to an IP interface-specific prompt and enter:redirects <state>state is one of th

Configuring and Customizing IP117356-D Rev 004-41 Enabling All-Subnet Broadcasting on an InterfaceAn all-subnet broadcast (ASB) datagram has a destina

Configuring IP Services4-42117356-D Rev 00Using Site ManagerDisabling UDP Checksum Processing on the InterfaceBy default, UDP checksum processing is e

Configuring and Customizing IP117356-D Rev 004-43 Using Site ManagerUse the default in virtually all instances. Disable UDP checksum processing to pro

xii117356-D Rev 00Establishing a Peer-to-Peer Session ...8-34Defining a Pee

Configuring IP Services4-44117356-D Rev 00To configure this parameter for a multinet or multigroup configuration, refer to Configuring SMDS.Enabling S

Configuring and Customizing IP117356-D Rev 004-45 Upon receiving the packet from the token ring network, the peer router strips off the RIF and contin

Configuring IP Services4-46117356-D Rev 00You can use the following Site Manager procedure to configure source route end-node support on a per-circuit

Configuring and Customizing IP117356-D Rev 004-47 Configuring an SMDS AddressBy default, if the interface is connected to an SMDS network, IP uses the

Configuring IP Services4-48117356-D Rev 00Configuring a WAN Address for a Frame Relay NetworkIf an interface is connected to a frame relay network, yo

Configuring and Customizing IP117356-D Rev 004-49 Specifying the Maximum Size of the Forwarding TableTo minimize the amount of time it spends looking

Configuring IP Services4-50117356-D Rev 00By default, IP allocates a cache for 128 destination entries on the interface. You can specify a different c

Configuring and Customizing IP117356-D Rev 004-51 Configuring an Interface for an ATM Logical IP SubnetRFC 1577, “Classical IP and ARP over ATM,” is a

Configuring IP Services4-52117356-D Rev 00To specify a server registration interval, navigate to an IP interface-specific prompt and enter:arp-server-

Configuring and Customizing IP117356-D Rev 004-53 Configuring an Adjacent Host AddressAn adjacent host is a device on a locally attached network. This

117356-D Rev 00xiiiChapter 9 Customizing EGP ServicesEGP Concepts and Terminology ...

Configuring IP Services4-54117356-D Rev 00Table 4-4. Adjacent Host BCC ParametersParameter Value/Default Description/InstructionsEnable Enabled (defau

Configuring and Customizing IP117356-D Rev 004-55 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager w

Configuring IP Services4-56117356-D Rev 00Defining a Static RouteA static route is a manually configured route that specifies the transmission path a

Configuring and Customizing IP117356-D Rev 004-57 Note: When you dynamically create a new static route (for example, 128.10.8.0/255.255.255.0/1), the

Configuring IP Services4-58117356-D Rev 00Using the BCCNavigate to the global IP prompt and enter:static-route address <destination> mask <ip

Configuring and Customizing IP117356-D Rev 004-59 Address The destination IP address you supplied when you configured the static route. You cannot mod

Configuring IP Services4-60117356-D Rev 00Cost 1 (default)to RIP diameterSpecifies the number of router hops a datagram can traverse before reaching t

Configuring and Customizing IP117356-D Rev 004-61 For example, the following command line configures a static route to destination 3.2.4.5/255.255.0.0

Configuring IP Services4-62117356-D Rev 00Defining a Static Default RouteIf IP receives a data packet with a destination address that it is unable to

Configuring and Customizing IP117356-D Rev 004-63 Configuring and Customizing Router DiscoveryBefore a host can send IP datagrams beyond its directly

xiv117356-D Rev 00Chapter 11 Connecting the Router to a Blacker Front EndBFE Addressing ...

Configuring IP Services4-64117356-D Rev 00Enabling and Disabling Router DiscoveryYou can use Site Manager to enable and disable Router Discovery on an

Configuring and Customizing IP117356-D Rev 004-65 Specifying a Minimum Time Interval Between AdvertisementsYou can use Site Manager to specify the min

Configuring IP Services4-66117356-D Rev 00Configuring the Lifetime of Advertised AddressesYou can use Site Manager to specify the maximum length of ti

117356-D Rev 005-1 Chapter 5Configuring Address ResolutionYou configure address resolution by setting parameters as described under the following topi

Configuring IP Services5-2117356-D Rev 00ARP OverviewThe IP router needs both a physical address and an IP address to transmit a datagram. In situatio

Configuring Address Resolution117356-D Rev 005-3 In Figure 5-1, the router wants to send a packet to host C but knows only host C’s IP address. The ro

Configuring IP Services5-4117356-D Rev 00Enabling and Disabling Global ARPARP is configured and enabled on the router at startup. You can use the BCC

Configuring Address Resolution117356-D Rev 005-5 Customizing Global ARP CharacteristicsYou can use the BCC or Site Manager to do the following:• Contr

Configuring IP Services5-6117356-D Rev 00Selecting an Address Resolution Scheme for an IP InterfaceIn addition to ARP, IP supports Inverse ARP, HP Pro

Configuring Address Resolution117356-D Rev 005-7 By default, ARP is enabled on the interface. You can use the BCC or Site Manager to specify an addres

117356-D Rev 00xvAnnounce Policy ...13-4Accept Polic

Configuring IP Services5-8117356-D Rev 00Selecting an Encapsulation Option for ARP and ProbeIf you select ARP, Probe, or ARP/Probe, you must also sele

Configuring Address Resolution117356-D Rev 005-9 Enabling Proxy ARP on an InterfaceProxy ARP allows a router to answer a local ARP request for a remot

Configuring IP Services5-10117356-D Rev 00With Proxy ARP enabled, the router will respond with an ARP reply if there is a valid route (that is, if the

Configuring Address Resolution117356-D Rev 005-11 Using Site ManagerTiming Out Entries in the Address Resolution CacheIP maintains an address resoluti

Configuring IP Services5-12117356-D Rev 00Using the BCCNavigate to the IP interface-specific prompt and enter:aging <action>action is one of the

117356-D Rev 006-1 Chapter 6Customizing RIP ServicesYou customize the Routing Information Protocol (RIP) by setting RIP parameters as described under

Configuring IP Services6-2117356-D Rev 00Customizing RIP Global ParametersWhen you add RIP to an IP interface, RIP is enabled on the router with defau

Customizing RIP Services117356-D Rev 006-3 Using the BCCNavigate to the global IP prompt and enter:rip-diameter <infinity>infinity is a hop coun

Configuring IP Services6-4117356-D Rev 00Customizing a RIP InterfaceWhen you add RIP to an IP interface, RIP is enabled with default values for all pa

Customizing RIP Services117356-D Rev 006-5 Navigating the BCC to a RIP Interface PromptBeginning at the prompt for an IP interface that you have confi

xvi117356-D Rev 00OSPF Area Parameters ... A-85Area Range Param

Configuring IP Services6-6117356-D Rev 00Opening the Site Manager Window for RIP InterfacesUse the following Site Manager procedure to open the RIP In

Customizing RIP Services117356-D Rev 006-7 Disabling and Reenabling RIP on an InterfaceYou can use the BCC or Site Manager to change the state of RIP

Configuring IP Services6-8117356-D Rev 00Selecting the RIP VersionYou can specify whether RIP sends Version 1 updates, Version 2 updates with no aggre

Customizing RIP Services117356-D Rev 006-9 Using Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choos

Configuring IP Services6-10117356-D Rev 00Supplying RIP Updates on an InterfaceBy default, RIP supplies RIP updates to neighboring networks on each in

Customizing RIP Services117356-D Rev 006-11 Specifying the Update ModeRIP can issue routing updates in the following modes:• Poisoned reverse (the def

Configuring IP Services6-12117356-D Rev 00Using Site ManagerSending Triggered UpdatesRIP generates full routing updates at regular intervals. You can

Customizing RIP Services117356-D Rev 006-13 Using the BCCNavigate to a RIP interface-specific prompt and enter:triggered-updates <state>state is

Configuring IP Services6-14117356-D Rev 00Specifying a Time-to-Live ValueBy default, RIP inserts a time-to-live (TTL) value of 1 hop into each outboun

Customizing RIP Services117356-D Rev 006-15 Using Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choo

117356-D Rev 00xviiAppendix D Route Weight WorksheetAppendix E IP/OSPF ConfigurationIndex

Configuring IP Services6-16117356-D Rev 00Receiving RIP Updates on an InterfaceBy default, RIP listens for routing updates on every interface on which

Customizing RIP Services117356-D Rev 006-17 Using Site ManagerAuthenticating the Password on a Version 2 UpdateBy default, RIP running in RIP Version

Configuring IP Services6-18117356-D Rev 00Using the BCCTo configure authentication, navigate to a RIP interface-specific prompt and enter:authenticati

Customizing RIP Services117356-D Rev 006-19 Supplying a Default Route on an InterfaceWhen the routing table does not contain the route to a particular

Configuring IP Services6-20117356-D Rev 00Using Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choose

Customizing RIP Services117356-D Rev 006-21 Listening for a Default RouteBy default, RIP ignores inbound advertisements of a default route on the inte

Configuring IP Services6-22117356-D Rev 00Configuring a RIP Interface for Dial-Optimized RoutingDial-optimized routing is a method of reducing costs o

Customizing RIP Services117356-D Rev 006-23 Using the BCCNavigate to a RIP interface-specific prompt and enter:broadcast-timer <seconds>seconds

Configuring IP Services6-24117356-D Rev 00Specifying a Timeout PeriodBy default, RIP waits 90 seconds for an update from a network before it considers

Customizing RIP Services117356-D Rev 006-25 Using Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choo

Configuring IP Services6-26117356-D Rev 00Specifying a Holddown PeriodOnce RIP has determined that a network is unreachable, RIP continues to advertis

Customizing RIP Services117356-D Rev 006-27 Using Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choo

Configuring IP Services6-28117356-D Rev 00Specifying a Stabilization TimeThe stabilization time is the period that RIP allows itself to learn all rout

Customizing RIP Services117356-D Rev 006-29 Configuring RIP Accept and Announce PoliciesRIP accept policies and announce policies allow you to control

Configuring IP Services6-30117356-D Rev 00Defining a RIP Accept PolicyTo define a new RIP accept policy, you must do the following:• Supply a name for

Customizing RIP Services117356-D Rev 006-31 For example, the following command sets the state to disabled for RIP accept policy pol_1:accept/pol_1/rip

Configuring IP Services6-32117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing RIP Services117356-D Rev 006-33 Supplying Modification Values for a RIP Accept PolicyYou can use the BCC or Site Manager to supply values

Configuring IP Services6-34117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing RIP Services117356-D Rev 006-35 Specifying Matching Criteria for a RIP Accept PolicyYou can use the BCC or Site Manager to specify matchin

117356-D Rev 00xixFiguresFigure 1-1. Network and Host Portions of IP Addresses ...1-3Figure 1-2. Internet Seg

Configuring IP Services6-36117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing RIP Services117356-D Rev 006-37 Defining a RIP Announce PolicyTo define a new announce policy, you must do the following:• Supply a name f

Configuring IP Services6-38117356-D Rev 00For example, the following command specifies a precedence value of 12 for RIP announce policy pol_1:announce

Customizing RIP Services117356-D Rev 006-39 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services6-40117356-D Rev 00Supplying Modification Values for a RIP Announce PolicyYou can use the BCC or Site Manager to supply a value

Customizing RIP Services117356-D Rev 006-41 Using Site ManagerSpecifying Matching Criteria for a RIP Announce PolicyYou can use the BCC or Site Manage

Configuring IP Services6-42117356-D Rev 00Table 6-6. BCC Match Criteria for RIP Announce PoliciesParameter Values/Default Functionstate Enable (defaul

Customizing RIP Services117356-D Rev 006-43 bgp-peer* List of IP addressesSpecifies the IP address of one or more BGP peers. This policy applies to BG

Configuring IP Services6-44117356-D Rev 00ospf-router-id* List of IP addressesSpecifies the IDs of one or more OSPF routers. This policy applies to OS

Customizing RIP Services117356-D Rev 006-45 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

ii117356-D Rev 004401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821Copyright © 1998 Bay Networks, Inc.All rights res

xx117356-D Rev 00Figure 12-1. Dynamic Translation Example ...12-4Figure 12-2. NAT Detect

117356-D Rev 007-1 Chapter 7Customizing OSPF ServicesYou customize OSPF by setting OSPF parameters as described under the following topics:Topic PageO

Configuring IP Services7-2117356-D Rev 00OSPF Concepts and TerminologyOSPF is a link-state protocol. A router running a link-state protocol periodical

Customizing OSPF Services117356-D Rev 007-3 OSPF Addresses and Variable-Length MasksA destination in as OSPF route advertisement is expressed as an IP

Configuring IP Services7-4117356-D Rev 00Neighbor AdjacenciesNeighbors may form an adjacency for the purpose of exchanging routing information. When t

Customizing OSPF Services117356-D Rev 007-5 OSPF AreasOSPF routers reduce and restrict the amount of internal and external routing information that is

Configuring IP Services7-6117356-D Rev 00OSPF Router TypesOSPF defines the following router types: Internal router. A router with interfaces to networ

Customizing OSPF Services117356-D Rev 007-7 OSPF Implementation NotesThis section provides some suggestions to help you configure your OSPF network. T

Configuring IP Services7-8117356-D Rev 00Customizing OSPF Global FeaturesOSPF global features affect the way OSPF runs on the router. They apply to al

Customizing OSPF Services117356-D Rev 007-9 Navigating the BCC to the OSPF Global PromptBeginning at the global IP prompt, enter:ospfTo display OSPF g

117356-D Rev 00xxiTablesTable 1-1. Subnet Masks for Class B and Class C Addresses ...1-6Table 1-2. IP Router RFC Support

Configuring IP Services7-10117356-D Rev 00Enabling and Disabling OSPF on the RouterWhen you start OSPF on the router, OSPF is automatically enabled.Yo

Customizing OSPF Services117356-D Rev 007-11 Supplying an OSPF IDEach router configured with OSPF has an OSPF ID. This IP address uniquely identifies

Configuring IP Services7-12117356-D Rev 00Using Site ManagerConfiguring the Soloist and Backup Soloist on a SlotThe OSPF protocol is implemented as a

Customizing OSPF Services117356-D Rev 007-13 Using the BCCTo specify a slot for the OSPF soloist, navigate to the global OSPF prompt and enter:slot-ma

Configuring IP Services7-14117356-D Rev 00Enabling the Boundary FunctionAn OSPF boundary router does the following:1. Receives information about route

Customizing OSPF Services117356-D Rev 007-15 Configuring the Metric Type for an ASE AdvertisementEach ASE that a boundary router injects into the AS i

Configuring IP Services7-16117356-D Rev 00Figure 7-2. OSPF ASE RoutesBy default, an OSPF boundary router generates a type 2 metric for BGP, EGP, or RI

Customizing OSPF Services117356-D Rev 007-17 Using the BCC or Site Manager, you can configure a boundary router to use the route weight as the OSPF me

Configuring IP Services7-18117356-D Rev 00Choosing a Tag Generation Method for an ASE AdvertisementAn OSPF AS external route advertisement includes an

Customizing OSPF Services117356-D Rev 007-19 Figure 7-3. AS External Route TagYou can use the BCC or Site Manager to choose the tag generation method.

xxii117356-D Rev 00Table 8-6. Local Preference Calculation Method ...8-33Table 8-7. BGP Time-to-Live

Configuring IP Services7-20117356-D Rev 00Using the BCCNavigate the global IP prompt and enter:as-default-tag <method>method is one of the follo

Customizing OSPF Services117356-D Rev 007-21 Setting the Holddown TimerThe holddown timer controls how often OSPF calculates a route. Its purpose is t

Configuring IP Services7-22117356-D Rev 00Configuring Message LoggingOSPF maintains a primary and backup log for OSPF messages. By default, OSPF logs

Customizing OSPF Services117356-D Rev 007-23 Using the BCCTo specify the messages that OSPF writes to the primary log, navigate to the global OSPF pro

Configuring IP Services7-24117356-D Rev 00Configuring External Route PreferenceBy default, when OSPF receives multiple AS-external LSAs for the same d

Customizing OSPF Services117356-D Rev 007-25 Customizing OSPF on an IP InterfaceWhen you add OSPF to an IP interface, OSPF is configured on the interf

Configuring IP Services7-26117356-D Rev 00Navigating the BCC to an OSPF Interface PromptBeginning at the prompt for an IP interface to which you have

Customizing OSPF Services117356-D Rev 007-27 Opening the Site Manager Window for OSPF InterfacesUse the following Site Manager procedure to open the O

Configuring IP Services7-28117356-D Rev 00Enabling and Disabling OSPFWhen you add OSPF to an IP interface, OSPF is automatically enabled on that inter

Customizing OSPF Services117356-D Rev 007-29 Configuring an Area IDIn an AS that contains multiple areas, each OSPF interface is configured with the I

117356-D Rev 00xxiii PrefaceThis guide describes IP services and what you do to start and customize IP services on a Bay Networks® router.You can use

Configuring IP Services7-30117356-D Rev 00Specifying the Interface TypeOSPF supports the following types of interface: • Broadcast. An interface conne

Customizing OSPF Services117356-D Rev 007-31 Using the BCCNavigate to an interface-specific OSPF prompt and enter:type <interface_type>interface

Configuring IP Services7-32117356-D Rev 00Using Point-to-Multipoint Interfaces in a Star TopologyOSPF point-to-multipoint interfaces provide an effici

Customizing OSPF Services117356-D Rev 007-33 Figure 7-4. Point-to-Multipoint TopologySpecifying Router Priority for a Multiaccess NetworkThe router pr

Configuring IP Services7-34117356-D Rev 00By default, each OSPF interface has a router priority of 1. You can use the BCC or Site Manager to do the fo

Customizing OSPF Services117356-D Rev 007-35 Estimating the Transit DelayBy default, OSPF assigns a transmission delay of 1 second to an OSPF interfac

Configuring IP Services7-36117356-D Rev 00Setting the Retransmit IntervalThe retransmit interval is the number of seconds between link-state advertise

Customizing OSPF Services117356-D Rev 007-37 Using Site ManagerSetting the Hello IntervalThe hello interval specifies how often the router sends hello

Configuring IP Services7-38117356-D Rev 00You can use the BCC or Site Manager to specify a hello interval.Using the BCCNavigate to an interface-specif

Customizing OSPF Services117356-D Rev 007-39 Setting the Dead IntervalThe dead interval is the number of seconds that OSPF waits to receive a hello pa

Configuring IP Servicesxxiv117356-D Rev 00Text ConventionsThis guide uses the following text conventions:angle brackets (< >) Indicate that you

Configuring IP Services7-40117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services117356-D Rev 007-41 Setting the Poll Interval for NBMA NeighborsThe poll interval is the largest number of seconds allowed be

Configuring IP Services7-42117356-D Rev 00Specifying the Metric CostFor OSPF, the best path is the one that offers the least-cost metric.You must conf

Customizing OSPF Services117356-D Rev 007-43 There is an optimum cost for each type of network. Table 7-6 lists the suggested values for the metric co

Configuring IP Services7-44117356-D Rev 00Using Site ManagerSpecifying the MTU SizeOSPF recognizes a maximum transmission unit (MTU) size for updates

Customizing OSPF Services117356-D Rev 007-45 Using the BCCNavigate to an interface-specific OSPF prompt and enter:mtu <size>size is the MTU size

Configuring IP Services7-46117356-D Rev 00Configuring a Neighbor on an NBMA InterfaceIn a nonbroadcast multiaccess network, neighbors are not learned

Customizing OSPF Services117356-D Rev 007-47 Defining an AreaYou define an OSPF by setting parameters as described under the following topics:Supplyin

Configuring IP Services7-48117356-D Rev 00Disabling and Reenabling an AreaWhen you define an OSPF area, the area is automatically enabled.You can use

Customizing OSPF Services117356-D Rev 007-49 Modifying an Area IDIn an AS that contains multiple areas, you must assign a unique ID to each area. You

Preface117356-D Rev 00xxv AcronymsThis guide uses the following acronyms:italic text Indicates file and directory names, new terms, book titles, and v

Configuring IP Services7-50117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services117356-D Rev 007-51 Configuring a Summary RouteBorder routers generate summary advertisements for their attached areas. Each

Configuring IP Services7-52117356-D Rev 00Using Site ManagerConfiguring a Stub AreaA stub area does not import ASEs and may or may not import internal

Customizing OSPF Services117356-D Rev 007-53 Using the BCCBy default, OSPF assumes that the area you define is not a stub area. If the area is a stub,

Configuring IP Services7-54117356-D Rev 00Configuring an Area Border RouterEach area is connected to the backbone by one or more border routers. In Fi

Customizing OSPF Services117356-D Rev 007-55 Each border router in an AS does the following:• Receives routing information from its attached areas, cr

Configuring IP Services7-56117356-D Rev 00Figure 7-7. Virtual Link and Transit AreaTo configure an interface to support a virtual link:1.Identify the

Customizing OSPF Services117356-D Rev 007-57 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window

Configuring IP Services7-58117356-D Rev 00Configuring OSPF Accept and Announce PoliciesOSPF requires that all routers in a given area maintain a simil

Customizing OSPF Services117356-D Rev 007-59 Defining an OSPF Accept PolicyTo define a new OSPF accept policy, you must do the following:• Supply a na

Configuring IP Servicesxxvi117356-D Rev 00IGMP-R IGMP RelayIP Internet ProtocolIR internal routerLRM Line Resource ManagerLSA link state advertisement

Configuring IP Services7-60117356-D Rev 00Table 7-7. BCC Definition Parameters for OSPF Accept PoliciesParameter Values Functionstate Enabled (default

Customizing OSPF Services117356-D Rev 007-61 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window

Configuring IP Services7-62117356-D Rev 00Supplying Modification Values for an OSPF Accept PolicyYou can use the BCC or Site Manager to supply values

Customizing OSPF Services117356-D Rev 007-63 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window

Configuring IP Services7-64117356-D Rev 00Specifying Matching Criteria for an OSPF Accept PolicyYou can use the BCC or Site Manager to specify a match

Customizing OSPF Services117356-D Rev 007-65 Using Site ManagerUse this Site Manager procedure to create an OSPF accept policy.Site Manager ProcedureY

Configuring IP Services7-66117356-D Rev 00Defining an OSPF Announce PolicyTo define a new OSPF announce policy, you must do the following:• Supply a n

Customizing OSPF Services117356-D Rev 007-67 Table 7-9. BCC Definition Parameters for OSPF Announce PoliciesParameter Values Functionstate Enabled (de

Configuring IP Services7-68117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services117356-D Rev 007-69 Supplying Modification Values for an OSPF Announce PolicyYou can use the BCC or Site Manager to supply a

Preface117356-D Rev 00xxvii Bay Networks Technical PublicationsYou can now print Bay Networks technical manuals and release notes free, directly from

Configuring IP Services7-70117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services117356-D Rev 007-71 Supplying Matching Criteria for an OSPF Announce PolicyYou can use the BCC or Site Manager to specify mat

Configuring IP Services7-72117356-D Rev 00bgp-next-hop* List of IP addressesSpecifies one or more IP addresses. This policy applies to BGP advertiseme

Customizing OSPF Services117356-D Rev 007-73 network* List of IP addressesSpecifies which networks will match this policy. Each identifier consists of

Configuring IP Services7-74117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

117356-D Rev 008-1 Chapter 8Configuring and Customizing BGPYou configure and customize the Border Gateway Protocol (BGP) by setting BGP parameters as

Configuring IP Services8-2117356-D Rev 00BGP Concepts and TerminologyBGP is an exterior gateway protocol designed to exchange network reachability inf

Configuring and Customizing BGP117356-D Rev 008-3 Bay Networks supports BGP-3 and BGP-4:• BGP-3 assumes that each advertised network is a natural clas

Configuring IP Services8-4117356-D Rev 00Stub and Multihomed Autonomous SystemsAn autonomous system can include one or more BGP speakers that establis

Configuring and Customizing BGP117356-D Rev 008-5 An AS with more than one BGP speaker can use IBGP to provide a transit service for networks outside

Configuring IP Services8-6117356-D Rev 00To avoid the high costs of a full-mesh topology to support IBGP speakers within a large AS, you can configure

Configuring and Customizing BGP117356-D Rev 008-7 The BGP-4 update message has the same format and contains the same mandatory attributes as the BGP-3

Configuring IP Services8-8117356-D Rev 00BGP-4 Local Preference CalculationBGP-4 update messages include a local preference attribute that allows an A

Configuring and Customizing BGP117356-D Rev 008-9 Best-Route SelectionBGP uses the following rules (tie breakers) to select the best BGP route:• Choos

Configuring IP Services8-10117356-D Rev 00BGP Implementation NotesThis section provides guidelines that you should follow when you configure BGP. If y

Configuring and Customizing BGP117356-D Rev 008-11 Configuring BGP GloballyYou configure BGP by setting BGP parameters as described under the followin

Configuring IP Services8-12117356-D Rev 00Enabling and Disabling BGPWhen you start BGP on the router, BGP is automatically enabled for both BGP-3 and

Configuring and Customizing BGP117356-D Rev 008-13 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services8-14117356-D Rev 00Supplying a BGP IdentifierThe BGP identifier is the IP address of an interface on this router. There is no d

Configuring and Customizing BGP117356-D Rev 008-15 Identifying the Local ASEach autonomous system in the internet has a unique AS ID.You can use the B

117356-D Rev 001-1 Chapter 1IP Concepts, Terminology, and FeaturesThe following topics introduce concepts and terminology used in this manual:Topic Pa

Configuring IP Services8-16117356-D Rev 00Disabling and Reenabling IBGP SupportBy default, BGP supports IBGP intra-AS sessions. (For information, see

Configuring and Customizing BGP117356-D Rev 008-17 Specifying Route Types for IBGP AdvertisementsIf IBGP is enabled, you can specify the types of rout

Configuring IP Services8-18117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP117356-D Rev 008-19 Setting the Update Interval TimerBGP injects external BGP routes into the routing table. The defaul

Configuring IP Services8-20117356-D Rev 00Allowing Redundant Connections By default, BGP performs redundancy checking on peer-to-peer TCP sessions. BG

Configuring and Customizing BGP117356-D Rev 008-21 Using Site ManagerEnabling Multihop ConnectionsBy default, BGP enforces the one-hop rule for BGP pe

Configuring IP Services8-22117356-D Rev 00Using the BCCNavigate to the BGP prompt and enter:multi-hop <state>state is one of the following:enabl

Configuring and Customizing BGP117356-D Rev 008-23 Disabling and Reenabling Dynamic Policy ConfigurationBy default, BGP reconfigures IP policies dynam

Configuring IP Services8-24117356-D Rev 00Configuring BGP as a SoloistBy default, BGP runs as a soloist on a slot determined by the BGP soloist slot m

Configuring and Customizing BGP117356-D Rev 008-25 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

117356-D Rev 00iiiBay Networks, Inc. Software License AgreementNOTICE: Please carefully read this license agreement before copying or using the accom

Configuring IP Services1-2117356-D Rev 00IP AddressesAn IP address consists of 32 bits that have the form network.host. The network portion is a netwo

Configuring IP Services8-26117356-D Rev 00Associating a Route Reflector with a Cluster IDIn an AS with multiple clusters of route reflectors, you assi

Configuring and Customizing BGP117356-D Rev 008-27 Using Site ManagerEnabling and Disabling Black Hole PunchingIf BGP advertises aggregate routes, you

Configuring IP Services8-28117356-D Rev 00Using the BCCNavigate to the BGP prompt and enter:black-hole-punching <action>action is one of the val

Configuring and Customizing BGP117356-D Rev 008-29 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services8-30117356-D Rev 00Disabling and Reenabling the BGP-4 MED AttributeBy default, BGP-4 considers the multiexit discriminator (MED

Configuring and Customizing BGP117356-D Rev 008-31 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services8-32117356-D Rev 00Disabling BayRS Local Preference Calculation and Route SelectionA BGP speaker calculates a local preference

Configuring and Customizing BGP117356-D Rev 008-33 Using the BCCNavigate to the BGP global prompt and enter:local-pref-calculation <state>state

Configuring IP Services8-34117356-D Rev 00Establishing a Peer-to-Peer SessionA BGP speaker forms neighbor relationships with other BGP speakers. This

Configuring and Customizing BGP117356-D Rev 008-35 Defining a Peer-to-Peer SessionTo define a peer-to-peer session, you specify the following:• The ad

IP Concepts, Terminology, and Features117356-D Rev 001-3 Figure 1-1. Network and Host Portions of IP AddressesYou specify IP addresses in dotted-decim

Configuring IP Services8-36117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP117356-D Rev 008-37 Initiating a Peer-to-Peer SessionA BGP speaker that wants to initiate a peer-to-peer connection per

Configuring IP Services8-38117356-D Rev 00Using the BCCNavigate to a BGP peer prompt and enter:retry <interval>interval is the number of seconds

Configuring and Customizing BGP117356-D Rev 008-39 Negotiating the BGP VersionBGP peers negotiate the version of BGP that they will use to exchange ro

Configuring IP Services8-40117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP117356-D Rev 008-41 Keeping the Connection AliveAfter a session has been established, BGP peers periodically issue keep

Configuring IP Services8-42117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP117356-D Rev 008-43 Setting the External Advertisement TimerAfter a connection is established, the BGP speaker uses one

Configuring IP Services8-44117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP117356-D Rev 008-45 Specifying a Holddown TimeThe holddown time is the amount of time either peer will wait for a keepa

Configuring IP Services1-4117356-D Rev 00Subnet AddressingThe concept of subnetworks (or subnets) extends the IP addressing scheme. Subnets are two or

Configuring IP Services8-46117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP117356-D Rev 008-47 Setting a Minimum AS Origination IntervalBy default, a BGP speaker that issues an update to adverti

Configuring IP Services8-48117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP117356-D Rev 008-49 Overriding the Local AS NumberBy default, a BGP speaker that issues an open message to initiate a p

Configuring IP Services8-50117356-D Rev 00Specifying a Maximum Update SizeBy default, a BGP speaker sends update messages with a maximum size of 800 b

Configuring and Customizing BGP117356-D Rev 008-51 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services8-52117356-D Rev 00Setting the Route Echo SwitchThe peer route echo switch controls the way the router echoes a BGP route that

Configuring and Customizing BGP117356-D Rev 008-53 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services8-54117356-D Rev 00Disabling and Reenabling Loop DetectionBy default, BGP terminates a peer-to-peer session if it discovers a l

Configuring and Customizing BGP117356-D Rev 008-55 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

IP Concepts, Terminology, and Features117356-D Rev 001-5 You construct a subnet mask as follows:• Assign a value of 1 to each of the 8, 16, or 24 bits

Configuring IP Services8-56117356-D Rev 00Specifying the Route Reflector Mode of the Remote PeerFor complete information about configuring a route ref

Configuring and Customizing BGP117356-D Rev 008-57 Setting the TTL Counter on an UpdateBy default, IP uses the IP global time-to-live (TTL) value to s

Configuring IP Services8-58117356-D Rev 00Using the Circuitless IP Interface for a Peer-to-Peer SessionIn configuring a peer-to-peer session for BGP s

Configuring and Customizing BGP117356-D Rev 008-59 Configuring Peers over an Unnumbered Point-to-Point LinkYou cannot configure a BGP peer-to-peer ses

Configuring IP Services8-60117356-D Rev 00To establish a peer-to-peer session between router A and router B: 1.Choose a numbered interface on each rou

Configuring and Customizing BGP117356-D Rev 008-61 Assigning Weight and Class Values to an ASYou can assign a weight class to any AS number and a weig

Configuring IP Services8-62117356-D Rev 00You can use Site Manager to assign a weight and a weight class to an AS.Site Manager ProcedureYou do this Sy

Configuring and Customizing BGP117356-D Rev 008-63 Configuring BGP Accept and Announce PoliciesBGP accept and announce policies govern which routes a

Configuring IP Services8-64117356-D Rev 00Defining a BGP Accept PolicyBGP-4 accept policies govern which routes BGP submits to the IP routing table ma

Configuring and Customizing BGP117356-D Rev 008-65 Table 8-8. BCC Definition Parameters for BGP Accept PoliciesParameter Values Functionstate Enabled

Configuring IP Services1-6117356-D Rev 00Table 1-1 shows the range of possible subnet masks for Class B and Class C addresses, along with the number o

Configuring IP Services8-66117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP117356-D Rev 008-67 Supplying Modification Values for a BGP Accept PolicyYou can use the BCC or Site Manager to supply

Configuring IP Services8-68117356-D Rev 00For example, the following command specifies override as the method for accept policy pol_1:set/bgp/accept/p

Configuring and Customizing BGP117356-D Rev 008-69 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services8-70117356-D Rev 00Specifying Matching Criteria for a BGP Accept PolicyYou can use the BCC or Site Manager to specify a match f

Configuring and Customizing BGP117356-D Rev 008-71 aggregator-router* IP address Specifies a BGP router. This policy applies to BGP advertisements tha

Configuring IP Services8-72117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP117356-D Rev 008-73 Defining a BGP Announce PolicyBGP announce policies govern which routes BGP propagates to other rou

Configuring IP Services8-74117356-D Rev 00Using Site ManagerTable 8-11. BCC Definition Parameters for BGP Announce PoliciesParameter Values Functionst

Configuring and Customizing BGP117356-D Rev 008-75 7. Set the following parameters:•Name•Networks• Action• Rule Precedence• Route Source• Advertise• F

IP Concepts, Terminology, and Features117356-D Rev 001-7 Supernet AddressingA supernet is a group of networks identified by contiguous network address

Configuring IP Services8-76117356-D Rev 00Supplying Modification Values for a BGP Announce PolicyYou can use the BCC or Site Manager to supply values

Configuring and Customizing BGP117356-D Rev 008-77 atomic aggregate Automatic (default)ForceIgnoreAllows control over the atomic path attribute. By de

Configuring IP Services8-78117356-D Rev 00Using Site Manageradvertise* List of IP addressesSpecifies a list of networks that BGP advertises instead of

Configuring and Customizing BGP117356-D Rev 008-79 7. Set the following parameters:•Enable•Name•Networks• Action• Rule Precedence• Route Source• Adver

Configuring IP Services8-80117356-D Rev 00Specifying Matching Criteria for a BGP Announce PolicyYou can use the BCC or Site Manager to specify matchin

Configuring and Customizing BGP117356-D Rev 008-81 Table 8-13. BCC Match Criterion for BGP Announce PoliciesCriterion Values Functionas-path-pattern E

Configuring IP Services8-82117356-D Rev 00bgp-next-hop* List of IP addressesSpecifies one or more IP addresses. This policy applies to BGP advertiseme

Configuring and Customizing BGP117356-D Rev 008-83 network* List of IP addressesSpecifies which networks will match this policy. Each identifier consi

Configuring IP Services8-84117356-D Rev 00Using Site ManagerYou can use Site Manager to configure a BGP-4 announce policy.Site Manager ProcedureYou do

Configuring and Customizing BGP117356-D Rev 008-85 7. Set the following parameters:•Enable•Name•Networks• Action• Rule Precedence• Route Source• Adver

Configuring IP Services1-8117356-D Rev 00Classless Interdomain RoutingClassless interdomain routing (CIDR) is an addressing scheme that employs supern

Configuring IP Services8-86117356-D Rev 00Configuring BGP-4 AS Pattern-MatchingTable 8-14 describes the special characters used in the Bay Networks im

Configuring and Customizing BGP117356-D Rev 008-87 Configuring BGP Message LoggingSite Manager allows you to control the event messages that BGP sends

Configuring IP Services8-88117356-D Rev 00Configuring IBGP as a Route Reflector or an RR ClientTo avoid the high cost of a full-mesh topology to suppo

Configuring and Customizing BGP117356-D Rev 008-89 Figure 8-5. IBGP Single Route Reflector TopologyYou configure an IBGP speaker as a route reflector

Configuring IP Services8-90117356-D Rev 00Using the BCCNavigate to the global BGP prompt and enter:peer local <reflector_address> remote <cli

Configuring and Customizing BGP117356-D Rev 008-91 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services8-92117356-D Rev 00Configuring a Route Reflector ClusterYou can connect multiple route reflectors in a route reflector cluster.

Configuring and Customizing BGP117356-D Rev 008-93 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services8-94117356-D Rev 00Configuring Multiple RR Clusters in an ASAn AS can contain multiple IBGP route reflector clusters. In an AS

Configuring and Customizing BGP117356-D Rev 008-95 Using the BCCTo associate a route reflector with a cluster, navigate to the BGP global prompt and e

IP Concepts, Terminology, and Features117356-D Rev 001-9 Figure 1-2. Internet Segmented into Three Autonomous SystemsRouting Information Protocol (RIP

Configuring IP Services8-96117356-D Rev 00Using Site ManagerUse the following procedure to establish a peer-to-peer session with a route reflector in

Configuring and Customizing BGP117356-D Rev 008-97 To associate a route reflector with a cluster, use the following procedure:Site Manager ProcedureYo

Configuring IP Services8-98117356-D Rev 00Configuring an RR ClientAn RR client is a BGP/IBGP speaker with a peer-to-peer session with a route reflecto

Configuring and Customizing BGP117356-D Rev 008-99 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services8-100117356-D Rev 00Configuring IBGP for Route and Traffic-Load BalancingIBGP route balancing and traffic-load balancing are tw

Configuring and Customizing BGP117356-D Rev 008-101 Figure 8-6. BGP/OSPF Autonomous SystemAssume for this example that OSPF is configured throughout t

Configuring IP Services8-102117356-D Rev 00Now consider that BGP on router F receives advertisements to three destinations (destination_1, destination

Configuring and Customizing BGP117356-D Rev 008-103 Figure 8-8 shows the six traffic-balancing BGP ECMP entries to the routing table on router 4.Desti

Configuring IP Services8-104117356-D Rev 00Using the BCCNavigate to the BGP global prompt and enter:ibgp-ecmp-method <method>method is one of th

Configuring and Customizing BGP117356-D Rev 008-105 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services1-10117356-D Rev 00Open Shortest Path First (OSPF) ProtocolThe Open Shortest Path First (OSPF) protocol is an interior gateway

Configuring IP Services8-106117356-D Rev 00Configuring EBGP for Route and Traffic-Load BalancingEBGP route balancing and traffic-load balancing are tw

Configuring and Customizing BGP117356-D Rev 008-107 Figure 8-9. ECMP Static RoutesAssume that the IP routing table in the BGP router in AS 1 contains

Configuring IP Services8-108117356-D Rev 003.BGP submits a BGP route to destination_3 and specifies interface 1 as the next hop.If you configure EBGP

Configuring and Customizing BGP117356-D Rev 008-109 For example, the following sequence of BCC commands:1.Configures an IP circuitless interface (201.

Configuring IP Services8-110117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring and Customizing BGP117356-D Rev 008-111 Configuring EBGP Route Flap DampeningThe frequent change of network reachability information that

Configuring IP Services8-112117356-D Rev 00• Maximum holddown time. If the route remains suppressed after the number of minutes that you specify, BGP

Configuring and Customizing BGP117356-D Rev 008-113 To apply the template to an inbound BGP routing update:1.Create and name a BGP accept policy.For i

Configuring IP Services8-114117356-D Rev 003.Match the accept policy to the unstable route.For instructions, see “Specifying Matching Criteria for a B

Configuring and Customizing BGP117356-D Rev 008-115 Using Site ManagerTo create a route-flap-dampening template, complete the following tasks:Site Man

IP Concepts, Terminology, and Features117356-D Rev 001-11 Routers establish EGP neighbor relationships in order to periodically exchange reliable netw

Configuring IP Services8-116117356-D Rev 00To apply a route-flap-dampening template to an existing BGP accept policy, complete the following tasks:Sit

117356-D Rev 009-1 Chapter 9Customizing EGP ServicesThis chapter explains how to configure the Exterior Gateway Protocol (EGP).Topic PageEGP Concepts

Configuring IP Services9-2117356-D Rev 00EGP Concepts and TerminologyEGP-2 is an exterior gateway protocol used to exchange network reachability infor

Customizing EGP Services117356-D Rev 009-3 An EGP router does the following:• Acquires EGP neighbors• Determines neighbor reachability• Exchanges netw

Configuring IP Services9-4117356-D Rev 00In the neighbor reachability phase, EGP is responsible for monitoring and maintaining an established EGP neig

Customizing EGP Services117356-D Rev 009-5 EGP Implementation NotesThis section provides you with some important guidelines to follow when you configu

Configuring IP Services9-6117356-D Rev 00Customizing EGP on the RouterYou customize EGP on the router by setting EGP global parameters as described un

Customizing EGP Services117356-D Rev 009-7 Supplying a Local AS NumberEach autonomous system has a NIC-assigned decimal number ID.You must supply the

Configuring IP Services9-8117356-D Rev 00Configuring a NeighborYou define a neighbor-to-neighbor relationship by setting EGP neighbor parameters as de

Customizing EGP Services117356-D Rev 009-9 Specifying the Neighbor’s AddressYou define the neighbor-to-neighbor relationship by specifying the IP addr

iv117356-D Rev 00its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files, d

Configuring IP Services1-12117356-D Rev 00Route PreferencesThe IP router maintains an internal routing table. When determining how to forward a datagr

Configuring IP Services9-10117356-D Rev 00Specifying the Gateway ModeYou can configure the EGP router to operate in one of two gateway modes for any g

Customizing EGP Services117356-D Rev 009-11 Enabling and Disabling the Neighbor RelationshipWhen you establish a neighbor-to-neighbor relationship on

Configuring IP Services9-12117356-D Rev 00Choosing the Acquisition ModeIn an EGP neighbor relationship, one router is the active neighbor and the othe

Customizing EGP Services117356-D Rev 009-13 Choosing the Poll ModeThe type of neighbor reachability algorithm executed by the local EGP neighbor is ca

Configuring IP Services9-14117356-D Rev 00Setting Neighbor TimersEGP uses two configurable timers: the hello timer and the poll timer.The hello timer

117356-D Rev 0010-1 Chapter 10Configuring RIPSO on an IP InterfaceIP routers support the Department of Defense (DoD) Revised IP Security Option (RIPSO

Configuring IP Services10-2117356-D Rev 00By default, RIPSO is disabled on IP interfaces. You can use Site Manager to enable RIPSO on an IP interface,

Configuring RIPSO on an IP Interface117356-D Rev 0010-3 The format of the security label is as follows:• Octet 1 contains a type value of 82(16), iden

Configuring IP Services10-4117356-D Rev 00Inbound IP DatagramsWhen the router receives an IP datagram on a RIPSO interface, it compares the security c

Configuring RIPSO on an IP Interface117356-D Rev 0010-5 Originated IP DatagramsWhen the router originates a datagram and the following conditions are

IP Concepts, Terminology, and Features117356-D Rev 001-13 Route WeightsRoute-weight calculation is an internal tool that IP uses to facilitate selecti

Configuring IP Services10-6117356-D Rev 00Enabling and Disabling RIPSOUse Site Manager to enable or disable RIPSO on an interface. When you disable RI

Configuring RIPSO on an IP Interface117356-D Rev 0010-7 Specifying the IP Datagram Type for Stripping Security OptionsUse Site Manager to choose the t

Configuring IP Services10-8117356-D Rev 00Specifying the Outbound Datagram Type Requiring Security LabelsUse Site Manager to specify the type of outbo

Configuring RIPSO on an IP Interface117356-D Rev 0010-9 Specifying the Inbound Datagram Type Requiring Security LabelsUse Site Manager to specify the

Configuring IP Services10-10117356-D Rev 00Setting the Security Level for IP DatagramsUse Site Manager to specify the minimum and maximum security lev

Configuring RIPSO on an IP Interface117356-D Rev 0010-11 Choosing Authority Flags in Outbound DatagramsUse Site Manager to specify which authority fla

Configuring IP Services10-12117356-D Rev 00Choosing Authority Flags in Inbound DatagramsUse Site Manager to specify which authority flags must be set,

Configuring RIPSO on an IP Interface117356-D Rev 0010-13 Supplying Implicit Labels for Unlabeled Inbound DatagramsUse Site Manager to specify whether

Configuring IP Services10-14117356-D Rev 00Enabling and Disabling Default Labels for Unlabeled Outbound DatagramsUse Site Manager to specify whether y

Configuring RIPSO on an IP Interface117356-D Rev 0010-15 Enabling and Disabling Error Labels for Outbound ICMP Error DatagramsUse Site Manager to spec

Configuring IP Services1-14117356-D Rev 00IP Routing Policies and FiltersThe IP router allows you to control the flow of routing data to and from the

Configuring IP Services10-16117356-D Rev 00RIPSO ExampleThe router in Figure 10-2 has RIPSO configured on all three IP interfaces. The security ranges

Configuring RIPSO on an IP Interface117356-D Rev 0010-17 Figure 10-2. RIPSO Example1.1.0.11.1.0.21.2.0.1 1.3.0.11.1.0.1Forward outbounddatagram?

117356-D Rev 0011-1 Chapter 11Connecting the Router to a Blacker Front EndThe Blacker front end (BFE) is a classified encryption device used by hosts

Configuring IP Services11-2117356-D Rev 00Figure 11-1. Blacker Front-End Network ConfigurationBFE devices receive authorization and address translatio

Connecting the Router to a Blacker Front End117356-D Rev 0011-3 BFE AddressingYou can enable BFE support on individual IP interfaces. When you enable

Configuring IP Services11-4117356-D Rev 00Configuring Blacker Front-End Support To configure BFE support on an IP interface, you must:• Configure an X

Connecting the Router to a Blacker Front End117356-D Rev 0011-5 For instructions on performing steps 1 through 4, see Configuring X.25 Services. For i

Configuring IP Services11-6117356-D Rev 00Table 11-1. BFE X.25 Packet-Level Parameter SettingsParameter SettingEnable EnableNetwork Address Type BFE_N

Connecting the Router to a Blacker Front End117356-D Rev 0011-7 Max Window Size Range is 2 to 7. If you specify any setting other than the default val

IP Concepts, Terminology, and Features117356-D Rev 001-15 Every IP router maintains a table of current routing information. The routing table manager

Configuring IP Services11-8117356-D Rev 00Table 11-2. BFE X.25 Network Service Record Parameter SettingsParameter Required SettingEnable EnableType DD

Connecting the Router to a Blacker Front End117356-D Rev 0011-9 CUG Facility Type Parameter is ignoredCUG Number Parameter is ignoredTable 11-2. BFE X

117356-D Rev 0012-1 Chapter 12Configuring Network Address TranslationThis chapter covers the following topics:Topic PageOverview of Network Address Tr

Configuring IP Services12-2117356-D Rev 00Overview of Network Address TranslationAs corporate networks grow, they often use the Internet protocol with

Configuring Network Address Translation117356-D Rev 0012-3 For example, a host sends an outbound packet from inside company A to company B. The packet

Configuring IP Services12-4117356-D Rev 00Figure 12-1. Dynamic Translation ExampleThe network administrator in company A has configured NAT to detect

Configuring Network Address Translation117356-D Rev 0012-5 NAT software detects a packet on a NAT interface that contains the address 10.0.0.15 (Figur

Configuring IP Services12-6117356-D Rev 00Figure 12-3. NAT Updates the Local/Global Translation Entry ListNAT software also replaces the unregistered

Configuring Network Address Translation117356-D Rev 0012-7 Figure 12-4. NAT Replaces the Unregistered Local Address with a Registered Source AddressSt

Configuring IP Services1-16117356-D Rev 00The flow of routing information between the network, the protocols, and the routing table manager is control

Configuring IP Services12-8117356-D Rev 00Customizing NAT Global AttributesWhen you add NAT to an IP interface, NAT is enabled on a router with defaul

Configuring Network Address Translation117356-D Rev 0012-9 Enabling and Disabling NATTo enable or disable NAT on an IP interface, proceed as follows:E

Configuring IP Services12-10117356-D Rev 00For instructions on how to create and enable static translation, refer to “Configuring Static Translation”

Configuring Network Address Translation117356-D Rev 0012-11 Configuring the Log MaskTable 12-2 shows messages types that are logged by NAT software an

Configuring IP Services12-12117356-D Rev 00To specify the types of log messages that are reported by NAT software, proceed as follows:NAT_DBG_AGING_AC

Configuring Network Address Translation117356-D Rev 0012-13 Enabling and Disabling the Translation Entry Timeout ValueYou can configure a global timeo

Configuring IP Services12-14117356-D Rev 00Configuring the Max Timeout ValueYou can configure the Max Timeout parameter to specify the timeout period

Configuring Network Address Translation117356-D Rev 0012-15 Customizing a NAT InterfaceThis section covers the following topics:Enabling or Disabling

Configuring IP Services12-16117356-D Rev 00Modifying the Interface TypeNAT software processes traffic received from an internal host on a NAT interfac

Configuring Network Address Translation117356-D Rev 0012-17 Configuring Static TranslationUse Site Manager to create a one-to-one mapping of an unregi

IP Concepts, Terminology, and Features117356-D Rev 001-17 Periodically, the routing table manager announces routes to other routers in the network as

Configuring IP Services12-18117356-D Rev 00Enabling and Disabling Static Address TranslationTo change the state of NAT static address translation, pro

Configuring Network Address Translation117356-D Rev 0012-19 Configuring Dynamic Local Address RangesUse Site Manager to add, delete, or change the sta

Configuring IP Services12-20117356-D Rev 00Deleting a Local Address RangeTo delete a local address range, proceed as follows:Site Manager ProcedureYou

Configuring Network Address Translation117356-D Rev 0012-21 Enabling or Disabling a Local Address RangeTo disable a local address range, proceed as fo

Configuring IP Services12-22117356-D Rev 00Configuring Dynamic Global Address RangesUse Site Manager to add, delete, or change the state of global add

Configuring Network Address Translation117356-D Rev 0012-23 Deleting a Global Address RangeTo delete a global address range, proceed as follows:Site M

Configuring IP Services12-24117356-D Rev 00Enabling or Disabling a Global Address RangeTo change the state of a global address range, proceed as follo

Configuring Network Address Translation117356-D Rev 0012-25 Configuring N-to-1 Address TranslationN-to-1 address translation -- also known as dynamic

Configuring IP Services12-26117356-D Rev 00Figure 12-5. N-to-1 Address Translation (Local to Global)When NAT receives a packet from a remote source on

Configuring Network Address Translation117356-D Rev 0012-27 4. Determining that the destination address is an N-to-1 address, NAT uses the address and

Configuring IP Services1-18117356-D Rev 00IP Traffic FiltersA traffic filter enables the router to selectively relay or drop an inbound packet, frame,

Configuring IP Services12-28117356-D Rev 00Site Manager ProcedureYou do this System responds1. In the Configuration Manager window, choose Protocols.T

117356-D Rev 0013-1 Chapter 13Generic Routing Encapsulation TunnelYou create a Generic Routing Encapsulation (GRE) tunnel by setting GRE parameters as

Configuring IP Services13-2117356-D Rev 00When using GRE, remember that:• This protocol is slower than native routing because packets require addition

Generic Routing Encapsulation Tunnel117356-D Rev 0013-3 Figure 13-1. GRE TunnelingAvoiding Tunnel MisconfigurationBefore configuring a tunnel, you sho

Configuring IP Services13-4117356-D Rev 00In particular, if a router at one end of a tunnel determines that the best route to the remote physical end

Generic Routing Encapsulation Tunnel117356-D Rev 0013-5 Accept Policy An accept policy governs the addition of new routes to the routing tables (see “

Configuring IP Services13-6117356-D Rev 00Configuring a Generic Routing Encapsulation TunnelYou can configure up to 64 GRE tunnels on one router; each

Generic Routing Encapsulation Tunnel117356-D Rev 0013-7 Adding a Protocol for a GRE TunnelTo add a protocol for a GRE tunnel, complete the following t

Configuring IP Services13-8117356-D Rev 00Deleting a Protocol from a GRE TunnelTo delete a protocol from a GRE tunnel, complete the following tasks:Co

Generic Routing Encapsulation Tunnel117356-D Rev 0013-9 To configure a remote tunnel end point, complete the following tasks.Site Manager ProcedureYou

IP Concepts, Terminology, and Features117356-D Rev 001-19 1188 IP over FDDI networks1209 IP over SDMS1256 ICMP Router Discovery messages1267 BGP-31293

Configuring IP Services13-10117356-D Rev 00Deleting a Remote Tunnel End PointTo delete a remote tunnel end point, complete the following tasks:Site Ma

Generic Routing Encapsulation Tunnel117356-D Rev 0013-11 Deleting a GRE TunnelYou can use Site Manager to delete a GRE tunnel. To delete a GRE tunnel,

117356-D Rev 00A-1 Appendix ASite Manager ParametersTopic PageBGP Parameters A-2EGP Parameters A-22IP Parameters A-27OSPF Parameters A-69RIP Parameter

Configuring IP ServicesA-2117356-D Rev 00BGP ParametersTopic PageBGP Configuration ParametersA-3BGP Global Parameters A-3BGP-3 Global Parameter A-10BG

Site Manager Parameters117356-D Rev 00A-3 BGP Configuration ParametersBGP Global ParametersParameter: IdentifierPath: Choose BGP in the Select protoco

Configuring IP ServicesA-4117356-D Rev 00Parameter: BGP IdentifierPath: Configuration Manager > Protocols > IP > BGP > BGP GlobalDefault:

Site Manager Parameters117356-D Rev 00A-5 Parameter: BGP From ProtocolsPath: Configuration Manager > Protocols > IP > BGP > BGP GlobalDefa

Configuring IP ServicesA-6117356-D Rev 00Parameter: BGP Collision DetectPath: Configuration Manager > Protocols > IP > BGP > BGP GlobalDef

Site Manager Parameters117356-D Rev 00A-7 Parameter: BGP Dynamic Policy Change SupportPath: Configuration Manager > Protocols > IP > BGP >

Configuring IP ServicesA-8117356-D Rev 00Parameter: Cluster IdentifierPath: Configuration Manager > Protocols > IP > BGP > BGP GlobalDefau

Site Manager Parameters117356-D Rev 00A-9 Parameter: Route with MEDPath: Configuration Manager > Protocols > IP > BGP > BGP GlobalDefault:

Configuring IP ServicesA-10117356-D Rev 00BGP-3 Global ParameterBGP-4 Global ParameterBGP Peer ParametersParameter: EnablePath: Configuration Manager

Site Manager Parameters117356-D Rev 00A-11 Parameter: Peer ASPath: Configuration Manager > Protocols > IP > BGP > PeersDefault: NoneOption

Configuring IP ServicesA-12117356-D Rev 00Parameter: EnablePath: Configuration Manager > Protocols > IP > BGP > PeersDefault: EnableOption

Site Manager Parameters117356-D Rev 00A-13 Parameter: Peer ASPath: Configuration Manager > Protocols > IP > BGP > PeersDefault: NoneOption

Configuring IP ServicesA-14117356-D Rev 00Parameter: HoldtimePath: Configuration Manager > Protocols > IP > BGP > PeersDefault: 90 seconds

Site Manager Parameters117356-D Rev 00A-15 Parameter: Min AS Origination IntervalPath: Configuration Manager > Protocols > IP > BGP > Peer

Configuring IP ServicesA-16117356-D Rev 00Parameter: Peer Route Echo SwitchPath: Configuration Manager > Protocols > IP > BGP > PeersDefau

Site Manager Parameters117356-D Rev 00A-17 Parameter: Loop DetectionPath: Configuration Manager > Protocols > IP > BGP > PeersDefault: Ena

117356-D Rev 002-1 Chapter 2Starting IP Services with the BCCThis chapter shows you how to use the BCC to perform a basic configuration -- that is, a

Configuring IP ServicesA-18117356-D Rev 00BGP AS Weight and Weight Class ParametersParameter: ASPath: Configuration Manager > Protocols > IP >

Site Manager Parameters117356-D Rev 00A-19 Parameter: Weight Value 3Path: Configuration Manager > Protocols > IP > BGP > WeightsDefault: 8

Configuring IP ServicesA-20117356-D Rev 00Parameter: Weight Value 6Path: Configuration Manager > Protocols > IP > BGP > WeightsDefault: 8O

Site Manager Parameters117356-D Rev 00A-21 BGP Event Message ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > BGP &g

Configuring IP ServicesA-22117356-D Rev 00EGP ParametersParameter: Message LevelPath: Configuration Manager > Protocols > IP > BGP > Debug

Site Manager Parameters117356-D Rev 00A-23 EGP Global Parameters Parameter: EnablePath: Configuration Manager > Protocols > IP > EGPDefault:

Configuring IP ServicesA-24117356-D Rev 00EGP Neighbor ParametersParameter: Remote Peer IP AddressPath: Configuration Manager > Protocols > IP &

Site Manager Parameters117356-D Rev 00A-25 Parameter: EnablePath: Configuration Manager > Protocols > IP > EGP > NeighborsDefault: EnableO

Configuring IP ServicesA-26117356-D Rev 00Parameter: Hello TimerPath: Configuration Manager > Protocols > IP > EGP > NeighborsDefault: 60

Site Manager Parameters117356-D Rev 00A-27 IP ParametersIP Configuration ParametersTopic PageIP Configuration ParametersA-27IP Interface Parameters A-

117356-D Rev 00vContents PrefaceBefore You Begin ...

Configuring IP Services2-2117356-D Rev 00Starting IPTo start IP on the router, you must:1. Configure a physical interface on an available slot/connect

Configuring IP ServicesA-28117356-D Rev 00Parameter: Subnet MaskPath: Select IP from the Select Protocols window and click on OK.Default: NoneOptions:

Site Manager Parameters117356-D Rev 00A-29 IP Interface ParametersParameter: UnNumbered Assoc AddressPath: Select IP from the Select Protocols window

Configuring IP ServicesA-30117356-D Rev 00Parameter: Broadcast AddressPath: Configuration Manager > Protocols > IP > InterfacesDefault: You s

Site Manager Parameters117356-D Rev 00A-31 Parameter: MTU DiscoveryPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptio

Configuring IP ServicesA-32117356-D Rev 00Parameter: ASBPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptions: On | Of

Site Manager Parameters117356-D Rev 00A-33 Parameter: ProxyPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptions: On |

Configuring IP ServicesA-34117356-D Rev 00Parameter: Upd Xsum OnPath: Configuration Manager > Protocols > IP > InterfacesDefault: OnOptions:

Site Manager Parameters117356-D Rev 00A-35 Parameter: TR EndstationPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptio

Configuring IP ServicesA-36117356-D Rev 00Parameter: Ethernet Arp EncapsPath: Configuration Manager > Protocols > IP > InterfacesDefault: ARP

Site Manager Parameters117356-D Rev 00A-37 Parameter: SMDS Arp Request AddressPath: Configuration Manager > Protocols > IP > InterfacesDefaul

Starting IP Services with the BCC117356-D Rev 002-3 An IP interface is now configured on the Ethernet interface with default values for all interface

Configuring IP ServicesA-38117356-D Rev 00Parameter: FRM Cast 1 DLCIPath: Configuration Manager > Protocols > IP > InterfacesDefault: 0Option

Site Manager Parameters117356-D Rev 00A-39 Parameter: MaskPath: Configuration Manager > Protocols > IP > InterfacesDefault: Slot-mask bit set

Configuring IP ServicesA-40117356-D Rev 00Parameter: Forward Cache SizePath: Configuration Manager > Protocols > IP > InterfacesDefault: 128

Site Manager Parameters117356-D Rev 00A-41 Parameter: Unnumbered Associated AlternatePath: Configuration Manager > Protocols > IP > Interface

Configuring IP ServicesA-42117356-D Rev 00Parameter: ARP Server ATM Address User PartPath: Configuration Manager > Protocols > IP > Interface

Site Manager Parameters117356-D Rev 00A-43 IP Global ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > GlobalDefault:

Configuring IP ServicesA-44117356-D Rev 00Parameter: ARP ForwardingPath: Configuration Manager > Protocols > IP > GlobalDefault: ForwardingOp

Site Manager Parameters117356-D Rev 00A-45 Parameter: Nonlocal ARP DestinationPath: Configuration Manager > Protocols > IP > GlobalDefault: D

Configuring IP ServicesA-46117356-D Rev 00Parameter: RIP DiameterPath: Configuration Manager > Protocols > IP > GlobalDefault: 15Options: 1 t

Site Manager Parameters117356-D Rev 00A-47 Parameter: Estimated NetworksPath: Configuration Manager > Protocols > IP > GlobalDefault: 0Option

Configuring IP Services2-4117356-D Rev 00Starting OSPFYou start OSPF on the router by adding OSPF to an existing IP interface.Navigate to an IP interf

Configuring IP ServicesA-48117356-D Rev 00Parameter: Enable Default Route for SubnetsPath: Configuration Manager > Protocols > IP > GlobalDef

Site Manager Parameters117356-D Rev 00A-49 Parameter: RIP Maximum Equal Cost PathsPath: Configuration Manager > Protocols > IP > GlobalDefaul

Configuring IP ServicesA-50117356-D Rev 00Parameter: Enable ISP Mode SupportPath: Configuration Manager > Protocols > IP > GlobalDefault: Dis

Site Manager Parameters117356-D Rev 00A-51 Static Route ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Static Rout

Configuring IP ServicesA-52117356-D Rev 00Parameter: Address MaskPath: Configuration Manager > Protocols > IP > Static RoutesDefault: NoneOpt

Site Manager Parameters117356-D Rev 00A-53 Parameter: Next Hop MaskPath: Configuration Manager > Protocols > IP > Static RoutesDefault: 0.0.0

Configuring IP ServicesA-54117356-D Rev 00Adjacent Host ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Adjacent Ho

Site Manager Parameters117356-D Rev 00A-55 Parameter: MAC AddressPath: Configuration Manager > Protocols > IP > Adjacent HostsDefault: NoneOp

Configuring IP ServicesA-56117356-D Rev 00Parameter: Remote Party Sub-AddressPath: Configuration Manager > Protocols > IP > Adjacent HostsDef

Site Manager Parameters117356-D Rev 00A-57 RIPSO ParametersParameter: GRE Connection NamePath: Configuration Manager > Protocols > IP > Adjac

Starting IP Services with the BCC117356-D Rev 002-5 Starting BGPTo start BGP:1. Configure BGP on the router.2. Define a BGP peer-to-peer connection.St

Configuring IP ServicesA-58117356-D Rev 00Parameter: Strip SecurityPath: Configuration Manager > Protocols > IP > InterfacesDefault: NoneOpti

Site Manager Parameters117356-D Rev 00A-59 Parameter: Require Out SecurityPath: Configuration Manager > Protocols > IP > InterfacesDefault: A

Configuring IP ServicesA-60117356-D Rev 00Parameter: Min LevelPath: Configuration Manager > Protocols > IP > InterfacesDefault: UnclassifiedO

Site Manager Parameters117356-D Rev 00A-61 Parameter: Must Out AuthorityPath: Configuration Manager > Protocols > IP > InterfacesDefault: No

Configuring IP ServicesA-62117356-D Rev 00Parameter: Must In AuthorityPath: Configuration Manager > Protocols > IP > InterfacesDefault: No au

Site Manager Parameters117356-D Rev 00A-63 Parameter: Implicit LabelPath: Configuration Manager > Protocols > IP > InterfacesDefault: EnableO

Configuring IP ServicesA-64117356-D Rev 00Parameter: Implicit LevelPath: Configuration Manager > Protocols > IP > InterfacesDefault: Unclassi

Site Manager Parameters117356-D Rev 00A-65 Parameter: Default AuthorityPath: Configuration Manager > Protocols > IP > InterfacesDefault: No a

Configuring IP ServicesA-66117356-D Rev 00Parameter: Error LabelPath: Configuration Manager > Protocols > IP > InterfacesDefault: EnableOptio

Site Manager Parameters117356-D Rev 00A-67 Router Discovery ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Router

Configuring IP Services2-6117356-D Rev 00Starting Router DiscoveryYou start Router Discovery by adding it to an IP interface.Navigate to an IP interfa

Configuring IP ServicesA-68117356-D Rev 00Parameter: Maximum IntervalPath: Configuration Manager > Protocols > IP > Router DiscoveryDefault:

Site Manager Parameters117356-D Rev 00A-69 OSPF ParametersOSPF Global ParametersTopic PageOSPF Global ParametersA-69OSPF Interface Parameters A-76Neig

Configuring IP ServicesA-70117356-D Rev 00Parameter: Router IDPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault: The IP

Site Manager Parameters117356-D Rev 00A-71 Parameter: Hold Down TimerPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault:

Configuring IP ServicesA-72117356-D Rev 00Parameter: Backup EnablePath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault: Dis

Site Manager Parameters117356-D Rev 00A-73 Parameter: Tag Generation MethodPath: Configuration Manager > Protocols > IP > OSPF > GlobalDef

Configuring IP ServicesA-74117356-D Rev 00Parameter: Multicast Route PinningPath: Configuration Manager > Protocols > IP > OSPF > GlobalDe

Site Manager Parameters117356-D Rev 00A-75 Parameter: Timeout ValuePath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault: 60

Configuring IP ServicesA-76117356-D Rev 00OSPF Interface ParametersParameter: Enable Path: Configuration Manager > Protocols > IP > OSPF >

Site Manager Parameters117356-D Rev 00A-77 Parameter: Broadcast TypePath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefaul

117356-D Rev 003-1 Chapter 3Starting IP Services with Site ManagerThis chapter shows you how to use Site Manager to perform a basic configuration -- t

Configuring IP ServicesA-78117356-D Rev 00Parameter: Transit DelayPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault:

Site Manager Parameters117356-D Rev 00A-79 Parameter: Hello IntervalPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefaul

Configuring IP ServicesA-80117356-D Rev 00Parameter: Poll IntervalPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault:

Site Manager Parameters117356-D Rev 00A-81 Parameter: PasswordPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault: Non

Configuring IP ServicesA-82117356-D Rev 00Parameter: Multicast ForwardingPath: Configuration Manager > Protocols > IP > OSPF > InterfacesD

Site Manager Parameters117356-D Rev 00A-83 Neighbor Parameters for an NBMA InterfaceParameter: MTU Mismatch Detect EnablePath: Configuration Manager &

Configuring IP ServicesA-84117356-D Rev 00Parameter: EnablePath: Configuration Manager > Protocols > IP > OSPF > Interfaces > Neighbors

Site Manager Parameters117356-D Rev 00A-85 OSPF Area ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > OSPF > Area

Configuring IP ServicesA-86117356-D Rev 00Parameter: Import AS Extern Path: Configuration Manager > Protocols > IP > OSPF > AreasDefault:

Site Manager Parameters117356-D Rev 00A-87 Area Range ParametersParameter: Range NetPath: Configuration Manager > Protocols > IP > OSPF >

Configuring IP Services3-2117356-D Rev 00Starting IPBefore you can select a protocol to run on the router, you must configure a circuit that the proto

Configuring IP ServicesA-88117356-D Rev 00Parameter: EnablePath: Configuration Manager > Protocols > IP > OSPF > Areas > RangesDefault:

Site Manager Parameters117356-D Rev 00A-89 OSPF Virtual Interface ParametersParameter: MetricPath: Configuration Manager > Protocols > IP > O

Configuring IP ServicesA-90117356-D Rev 00Parameter: Retransmit IntervalPath: Configuration Manager > Protocols > IP > OSPF > Virtual Inte

Site Manager Parameters117356-D Rev 00A-91 Parameter: Dead IntervalPath: Configuration Manager > Protocols > IP > OSPF > Virtual Interface

Configuring IP ServicesA-92117356-D Rev 00RIP ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > RIP > InterfacesDe

Site Manager Parameters117356-D Rev 00A-93 Parameter: RIP ListenPath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault: En

Configuring IP ServicesA-94117356-D Rev 00Parameter: Default Route ListenPath: Configuration Manager > Protocols > IP > RIP > InterfacesDe

Site Manager Parameters117356-D Rev 00A-95 Parameter: Time to LivePath Configuration Manager > Protocols > IP > RIP > InterfacesDefault: 1

Configuring IP ServicesA-96117356-D Rev 00Parameter: Holddown TimerPath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault:

Site Manager Parameters117356-D Rev 00A-97 Parameter: RIP ModePath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault: RIP

Starting IP Services with Site Manager117356-D Rev 003-3 Deleting IP from an InterfaceTo delete IP from an interface on which it is currently configur

Configuring IP ServicesA-98117356-D Rev 00Parameter: Authentication TypePath: Configuration Manager > Protocols > IP > RIP > InterfacesDef

Site Manager Parameters117356-D Rev 00A-99 NAT ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > NAT > GlobalDefau

Configuring IP ServicesA-100117356-D Rev 00Parameter: Mapping Entry TimeoutPath: Configuration Manager > Protocols > IP > NAT > GlobalDefa

Site Manager Parameters117356-D Rev 00A-101 Parameter: Interface TypePath: Configuration Manager > Protocols > IP > NAT > InterfaceDefault

Configuring IP ServicesA-102117356-D Rev 00Parameter: EnablePath: Configuration Manager > Protocols > IP > NAT > Dynamic > LocalDefault

Site Manager Parameters117356-D Rev 00A-103 Parameter: EnablePath: Configuration Manager > Protocols > IP > NAT > Dynamic > GlobalDefau

Configuring IP ServicesA-104117356-D Rev 00GRE Tunnel Configuration ParametersParameter: Tunnel NamePath: Configuration Manager > Protocols > IP

Site Manager Parameters117356-D Rev 00A-105 Parameter: Remote Physical IP AddressPath: Configuration Manager > Protocols > IP > GRE > Remo

117356-D Rev 00B-1 Appendix BRouting PoliciesTopic PageAccept PoliciesCommon Accept Policy ParametersB-2RIP-Specific Accept Policy Parameters B-8OSPF-

Configuring IP Services3-4117356-D Rev 00Starting RIPBefore you can select a protocol to run on the router, you must configure a circuit that the prot

Configuring IP ServicesB-2117356-D Rev 00Common Accept Policy ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Polic

Routing Policies117356-D Rev 00B-3 Parameter: NamePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Accept Policies

Configuring IP ServicesB-4117356-D Rev 00Parameter: NetworksPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Accep

Routing Policies117356-D Rev 00B-5 Parameter: ActionPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Accept Polici

Configuring IP ServicesB-6117356-D Rev 00Parameter: Route PreferencePath: Configuration Manager > Protocols > IP > Policy Filters > RIP &g

Routing Policies117356-D Rev 00B-7 Parameter: Rule PrecedencePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Acce

Configuring IP ServicesB-8117356-D Rev 00RIP-Specific Accept Policy ParametersParameter: From GatewayPath: Configuration Manager > Protocols > I

Routing Policies117356-D Rev 00B-9 OSPF-Specific Accept Policy ParametersParameter: Apply Subnet MaskPath: Configuration Manager > Protocols > I

Configuring IP ServicesB-10117356-D Rev 00EGP-Specific Accept Policy ParametersParameter: TagPath: Configuration Manager > Protocols > IP > P

Routing Policies117356-D Rev 00B-11 Parameter: AS ListPath: Configuration Manager > Protocols > IP > Policy Filters > EGP > Accept Poli

Starting IP Services with Site Manager117356-D Rev 003-5 Adding RIP to an IP InterfaceTo add RIP to an IP interface, proceed as follows:Site Manager P

Configuring IP ServicesB-12117356-D Rev 00BGP-3-Specific Accept Policy Parameters Parameter: Injection ListPath: Configuration Manager > Protocols

Routing Policies117356-D Rev 00B-13 Parameter: Peer ASPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-3 > Accept Po

Configuring IP ServicesB-14117356-D Rev 00Parameter: Route OriginPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-3 >

Routing Policies117356-D Rev 00B-15 Parameter: Community MatchPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-3 > A

Configuring IP ServicesB-16117356-D Rev 00BGP-4-Specific Accept Policy ParametersParameter: Injection ListPath: Configuration Manager > Protocols &

Routing Policies117356-D Rev 00B-17 Parameter: Peer ASPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-4 > Accept Po

Configuring IP ServicesB-18117356-D Rev 00Parameter: Route OriginPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-4 >

Routing Policies117356-D Rev 00B-19 Parameter: Local PreferencePath: Configuration Manager > Protocols > IP > Policy Filters > BGP-4 >

Configuring IP ServicesB-20117356-D Rev 00Parameter: AS PatternPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-4 >

Routing Policies117356-D Rev 00B-21 Parameter: Route Flap Dampening TemplatePath: Configuration Manager > Protocols > IP > Policy Filters >

vi117356-D Rev 00Starting RIP ...2-3

Configuring IP Services3-6117356-D Rev 00Deleting RIP from an IP InterfaceTo delete RIP from an interface on which it is currently configured, proceed

Configuring IP ServicesB-22117356-D Rev 00Parameter: Reuse ThresholdPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-4

Routing Policies117356-D Rev 00B-23 Parameter: Unreachable DecayPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-4 >

Configuring IP ServicesB-24117356-D Rev 00Parameter: Memory LimitPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-4 >

Routing Policies117356-D Rev 00B-25 Common Announce Policy ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Policy F

Configuring IP ServicesB-26117356-D Rev 00Parameter: NamePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announce

Routing Policies117356-D Rev 00B-27 Parameter: NetworksPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announce P

Configuring IP ServicesB-28117356-D Rev 00Parameter: ActionPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announ

Routing Policies117356-D Rev 00B-29 Parameter: Rule PrecedencePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Ann

Configuring IP ServicesB-30117356-D Rev 00Parameter: Route SourcePath: Configuration Manager > Protocols > IP > Policy Filters > RIP >

Routing Policies117356-D Rev 00B-31 Parameter: AdvertisePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announce

Starting IP Services with Site Manager117356-D Rev 003-7 Starting OSPFBefore you can select a protocol to run on the router, you must configure a circ

Configuring IP ServicesB-32117356-D Rev 00Parameter: From RIP GatewayPath: Configuration Manager > Protocols > IP > Policy Filters > RIP &

Routing Policies117356-D Rev 00B-33 Parameter: Received on RIP InterfacePath: Configuration Manager > Protocols > IP > Policy Filters > RI

Configuring IP ServicesB-34117356-D Rev 00Parameter: From OSPF Router IDPath: Configuration Manager > Protocols > IP > Policy Filters > RI

Routing Policies117356-D Rev 00B-35 Parameter: Received OSPF TypePath: Configuration Manager > Protocols > IP > Policy Filters > RIP >

Configuring IP ServicesB-36117356-D Rev 00Parameter: Received OSPF TagPath: Configuration Manager > Protocols > IP > Policy Filters > RIP

Routing Policies117356-D Rev 00B-37 Parameter: From EGP PeerPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Annou

Configuring IP ServicesB-38117356-D Rev 00Parameter: From EGP ASPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > A

Routing Policies117356-D Rev 00B-39 Parameter: Received EGP GatewayPath: Configuration Manager > Protocols > IP > Policy Filters > RIP >

Configuring IP ServicesB-40117356-D Rev 00Parameter: From BGP PeerPath: Configuration Manager > Protocols > IP > Policy Filters > RIP >

Routing Policies117356-D Rev 00B-41 Parameter: From BGP ASPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announc

Configuring IP Services3-8117356-D Rev 00Deleting OSPF from an IP InterfaceTo delete OSPF from an interface on which it is currently configured, proce

Configuring IP ServicesB-42117356-D Rev 00Parameter: Received BGP Next HopPath: Configuration Manager > Protocols > IP > Policy Filters >

Routing Policies117356-D Rev 00B-43 RIP-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Protocols

Configuring IP ServicesB-44117356-D Rev 00OSPF-Specific Announce Policy ParametersParameter: RIP MetricPath: Configuration Manager > Protocols >

Routing Policies117356-D Rev 00B-45 Parameter: TagPath: Configuration Manager > Protocols > IP > Policy Filters > OSPF > Announce Polic

Configuring IP ServicesB-46117356-D Rev 00EGP-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Prot

Routing Policies117356-D Rev 00B-47 Parameter: EGP Interface ListPath: Configuration Manager > Protocols > IP > Policy Filters > EGP >

Configuring IP ServicesB-48117356-D Rev 00BGP-3-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Pr

Routing Policies117356-D Rev 00B-49 Parameter: Outbound PeersPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-3 > An

Configuring IP ServicesB-50117356-D Rev 00Parameter: Specific Inter-AS MetricPath: Configuration Manager > Protocols > IP > Policy Filters &g

Routing Policies117356-D Rev 00B-51 Parameter: Next HopPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-3 > Announce

Starting IP Services with Site Manager117356-D Rev 003-9 Starting BGPBefore you can select a protocol to run on the router, you must configure a circu

Configuring IP ServicesB-52117356-D Rev 00BGP-4-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Pr

Routing Policies117356-D Rev 00B-53 Parameter: Outbound PeersPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-4 > An

Configuring IP ServicesB-54117356-D Rev 00Parameter: Multi-Exit Discriminator ValuePath: Configuration Manager > Protocols > IP > Policy Filt

Routing Policies117356-D Rev 00B-55 Parameter: AS PathPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-4 > Announce

Configuring IP ServicesB-56117356-D Rev 00Parameter: Local Preference ValuePath: Configuration Manager > Protocols > IP > Policy Filters >

Routing Policies117356-D Rev 00B-57 Parameter: AS PatternPath: Configuration Manager > Protocols > IP > Policy Filters > BGP-4 > Announ

117356-D Rev 00C-1 Appendix CImport and Export Route FiltersRIP Import FiltersParameter: Import AddressPath: Configuration Manager > Protocols >

Configuring IP ServicesC-2117356-D Rev 00Parameter: Import MaskPath: Configuration Manager > Protocols > IP > Route Filters > RIP > Imp

Import and Export Route Filters117356-D Rev 00C-3 Parameter: InterfacePath: Configuration Manager > Protocols > IP > Route Filters > RIP &

Configuring IP Services3-10117356-D Rev 00Deleting BGP from the RouterYou can delete BGP from all router circuits on which it is currently enabled. To

Configuring IP ServicesC-4117356-D Rev 00Parameter: PreferencePath: Configuration Manager > Protocols > IP > Route Filters > RIP > Impo

Import and Export Route Filters117356-D Rev 00C-5 RIP Export FiltersParameter: Apply Subnet MaskPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesC-6117356-D Rev 00Parameter: Export MaskPath: Configuration Manager > Protocols > IP > Route Filters > RIP > Exp

Import and Export Route Filters117356-D Rev 00C-7 Parameter: InterfacePath: Configuration Manager > Protocols > IP > Route Filters > RIP &

Configuring IP ServicesC-8117356-D Rev 00OSPF Import FiltersParameter: RIP MetricPath: Configuration Manager > Protocols > IP > Route Filters

Import and Export Route Filters117356-D Rev 00C-9 OSPF Export FiltersParameter: PreferencePath: Configuration Manager > Protocols > IP > Rout

Configuring IP ServicesC-10117356-D Rev 00Parameter: Export MaskPath: Configuration Manager > Protocols > IP > Route Filters > OSPF > E

Import and Export Route Filters117356-D Rev 00C-11 Parameter: EnablePath: Configuration Manager > Protocols > IP > Route Filters > OSPF &g

Configuring IP ServicesC-12117356-D Rev 00BGP-3 Import FiltersParameter: TagPath: Configuration Manager > Protocols > IP > Route Filters >

Import and Export Route Filters117356-D Rev 00C-13 Parameter: Import MaskPath: Configuration Manager > Protocols > IP > Route Filters > BG

Starting IP Services with Site Manager117356-D Rev 003-11 To delete BGP-4, complete the following steps:Customizing BGPThe instructions in this chapte

Configuring IP ServicesC-14117356-D Rev 00Parameter: Import Peer AddressPath: Configuration Manager > Protocols > IP > Route Filters > BGP

Import and Export Route Filters117356-D Rev 00C-15 Parameter: Import ActionPath: Configuration Manager > Protocols > IP > Route Filters >

Configuring IP ServicesC-16117356-D Rev 00Parameter: PreferencePath: Configuration Manager > Protocols > IP > Route Filters > BGP3 > Im

Import and Export Route Filters117356-D Rev 00C-17 BGP-3 Export FiltersParameter: Export AddressPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesC-18117356-D Rev 00Parameter: Export from ProtocolPath: Configuration Manager > Protocols > IP > Route Filters > BG

Import and Export Route Filters117356-D Rev 00C-19 Parameter: Export EnablePath: Configuration Manager > Protocols > IP > Route Filters >

Configuring IP ServicesC-20117356-D Rev 00Parameter: Export OriginPath: Configuration Manager > Protocols > IP > Route Filters > BGP3 >

Import and Export Route Filters117356-D Rev 00C-21 EGP Import FiltersParameter: Import AddressPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesC-22117356-D Rev 00Parameter: Import GatewayPath: Configuration Manager > Protocols > IP > Route Filters > EGP >

Import and Export Route Filters117356-D Rev 00C-23 EGP Export Filters Parameter: PreferencePath: Configuration Manager > Protocols > IP > Rou

Configuring IP Services3-12117356-D Rev 00Starting EGPBefore you can select a protocol to run on the router, you must configure a circuit that the pro

Configuring IP ServicesC-24117356-D Rev 00Parameter: Export MaskPath: Configuration Manager > Protocols > IP > Route Filters > EGP > Ex

Import and Export Route Filters117356-D Rev 00C-25 Parameter: Export PeerPath: Configuration Manager > Protocols > IP > Route Filters > EG

Configuring IP ServicesC-26117356-D Rev 00Parameter: Export OSPF TagPath: Configuration Manager > Protocols > IP > Route Filters > EGP >

Import and Export Route Filters117356-D Rev 00C-27 Parameter: InterfacePath: Configuration Manager > Protocols > IP > Route Filters > EGP

117356-D Rev 00D-1 Appendix DRoute Weight Worksheet1.Select one route from the following list:2.Multiply the value associated with the route by the fo

Configuring IP ServicesD-2117356-D Rev 003.Select one route from the following list:4.Multiply the value associated with the route by the following de

Route Weight Worksheet117356-D Rev 00D-3 6.Multiply the value associated with the route by the following decimal or hexadecimal value:2097152 x ______

Configuring IP ServicesD-4117356-D Rev 008.Add the values you have calculated.________________________________________________The total is the route w

117356-D Rev 00E-1 Appendix EIP/OSPF ConfigurationThe IP/OSPF configuration in Figure E-1 shows an AS divided into different types of OSPF areas using

Starting IP Services with Site Manager117356-D Rev 003-13 Deleting EGP from the RouterYou can delete EGP from all router circuits on which it is curre

Configuring IP ServicesE-2117356-D Rev 00Figure E-1. IP/OSPF ConfigurationFDDIF31.4F31.2F31.3.5 F31.1 F31E21128.10.2.65255.255.255.192128.10.6.0255.

IP/OSPF Configuration117356-D Rev 00E-3 Tables E-1 to E-6 list nondefault configuration parameters for router 1 through router 6. Parameters that are

Configuring IP ServicesE-4117356-D Rev 00Table E-2. Area Border Router 2Site Manager Window/Parameter SettingInterface F31IP Configuration/IP Address

IP/OSPF Configuration117356-D Rev 00E-5 Table E-3. Area Border Router 3Site Manager Window/Parameter SettingInterface F31IP Configuration/IP Address

Configuring IP ServicesE-6117356-D Rev 00Table E-4. Area Border Router 4Site Manager Window/Parameter SettingInterface F31IP Configuration/IP Address

IP/OSPF Configuration117356-D Rev 00E-7 Table E-5. Internal Backbone Router 5Site Manager Window/Parameter SettingInterface F31IP Configuration/IP Ad

117356-D Rev 00Index-1Aaccept policies for IP, 1-14accept policies, maximum number for IP, 4-16acquisition mode for EGP neighbors, 9-12Acquisition Mod

Index-2117356-D Rev 00AS weights for BGP, 8-61ASB parameter, 4-42, A-32as-boundary-router command, 7-14as-default-tag command, 7-20ASE Metric Support

117356-D Rev 00Index-3BGP-3 parameters (continued)Export Peer Address, C-18Export Peer AS, C-18Export Use Inter AS Metric, C-19Import Address, C-12Imp

Configuring IP Services3-14117356-D Rev 00Starting NATBefore you can choose a protocol to run on the router, you must configure a circuit that the pro

Index-4117356-D Rev 00disabling (continued)error labels for outbound ICMP error datagrams, 10-15global ARP, 5-4global IP, 4-5ICMP address-mask replies

117356-D Rev 00Index-5Enable parameter (continued)OSPF interface, A-76RIP, 6-7, A-92Router Discovery, 4-64, A-67Enable parameter, NAT, A-99Enable Secu

Index-6117356-D Rev 00Hold Down Timer parameter, OSPF, 7-21, A-71holddown commandBGP peers, 8-45global OSPF, 7-21Holddown Timer parameter, 6-27, A-96h

117356-D Rev 00Index-7Kkeepalive command, BGP peer, 8-41Keepalive Timer parameter, 8-42, A-14LLifetime parameter, 4-66, A-68listen command, 6-16local

Index-8117356-D Rev 00multi-hop command, 8-22Multi-hop EBGP Connection parameter, 8-22, A-6multinet, definition, 4-31Multiple Nexthop Calculation Meth

117356-D Rev 00Index-9OSPF (continued)transit delay, estimating, 7-35virtual link, 7-55OSPF areaarea, 7-49import-summaries, 7-53state, 7-48stub, 7-53s

Index-10117356-D Rev 00policy parameters (continued)From BGP Peer AS (announce), B-41From EGP Peer (announce), B-37From Gateway (accept), B-8From OSPF

117356-D Rev 00Index-11RIP (continued)deleting from an interface, 3-6dial-optimized routing, 6-22enabling and disabling, 6-7equal-cost multipath suppo

Index-12117356-D Rev 00startingBGP, 3-9EGP, 3-12IP, 3-2IP on circuitless interface, 3-17OSPF, 3-7RIP, 3-4starting NAT, 3-14state commandARP, 5-4BGP, 8

117356-D Rev 00Index-13Triggered Updates parameterIP RIP interface, 6-13RIP interface, A-97triggered-updates command, 6-13tunnel, GRE, 13-6type comman

Starting IP Services with Site Manager117356-D Rev 003-15 Deleting NAT from an IP InterfaceTo delete NAT from an interface on which it is currently co

117356-D Rev 00viiChapter 4 Configuring and Customizing IPCustomizing IP Global Parameters ...

Configuring IP Services3-16117356-D Rev 00Using the Circuitless IP InterfaceA circuitless IP interface has an IP address that is not mapped to a speci

Starting IP Services with Site Manager117356-D Rev 003-17 Starting IP on the Circuitless InterfaceTo configure a circuitless IP interface, begin at th

Configuring IP Services3-18117356-D Rev 00Choosing Slots to Support the Circuitless InterfaceBy default, all slots support the IP circuitless interfac

Starting IP Services with Site Manager117356-D Rev 003-19 Configuring an Unnumbered IP InterfaceIP allows you to configure an interface on a point-to-

Configuring IP Services3-20117356-D Rev 00Because all traffic over an unnumbered interface uses broadcast addressing at the link layer, neither an adj

Starting IP Services with Site Manager117356-D Rev 003-21 Using the Alternate Associated Address OptionThe alternate associated address option ensures

117356-D Rev 004-1 Chapter 4Configuring and Customizing IPYou customize IP services by setting parameters as described under the following topics:Topi

Configuring IP Services4-2117356-D Rev 00Customizing IP Global ParametersWhen you configure an IP interface on a slot, IP is automatically configured

Configuring and Customizing IP117356-D Rev 004-3 Navigating the BCC to the IP Global PromptBeginning at the top-level box prompt, enter:ipThe IP globa

viii117356-D Rev 00Configuring an SMDS Address ...4-47Configuring a WAN Ad

Configuring IP Services4-4117356-D Rev 00Opening the Site Manager Window for IP Global ParametersUse the following Site Manager procedure to open the

Configuring and Customizing IP117356-D Rev 004-5 Disabling and Reenabling Global IPIP is enabled on the slot by default. You can change the state of I

Configuring IP Services4-6117356-D Rev 00Configuring the Router for Not-Forwarding ModeBy default, IP forwards all packets that are not addressed to i

Configuring and Customizing IP117356-D Rev 004-7 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager wi

Configuring IP Services4-8117356-D Rev 00Configuring Bridging on a Router in Not-Forwarding ModeBecause the IP router does not forward IP traffic in n

Configuring and Customizing IP117356-D Rev 004-9 ES > Token > Bay > FDDI > Bay Not supportedES > Token > Bay > PTP > Bay Not s

Configuring IP Services4-10117356-D Rev 00Bay > PPP††† > Bay Not supportedBay > Eth > Bay > Eth > ES‡‡‡ SupportedBay > Token >

Configuring and Customizing IP117356-D Rev 004-11 Setting the Time-to-Live Value on a Source PacketEach IP data packet includes a time-to-live (TTL) v

Configuring IP Services4-12117356-D Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing IP117356-D Rev 004-13 Allowing an All-Zero or All-One Subnet AddressBy default, for IP, an address with a subnet portion o

117356-D Rev 00ixSpecifying the Update Mode ...6-11Sending Triggered Up

Configuring IP Services4-14117356-D Rev 00Estimating the Size of the Routing TableIP allows you to estimate how many networks and hosts require an ent

Configuring and Customizing IP117356-D Rev 004-15 Using a Default Route for an Unknown SubnetBy default, IP drops packets addressed to an unknown subn

Configuring IP Services4-16117356-D Rev 00Specifying the Maximum Number of IP PoliciesBy default, IP allows you configure up to 32 announce policies a

Configuring and Customizing IP117356-D Rev 004-17 Disabling and Reenabling Route Filter SupportBy default, IP supports route filters. When route filte

Configuring IP Services4-18117356-D Rev 00Enabling Equal-Cost Multipath SupportBy default, IP stores the best next hop to a destination in the routing

Configuring and Customizing IP117356-D Rev 004-19 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager w

Configuring IP Services4-20117356-D Rev 00Configuring Equal-Cost Multipath for RIP and OSPFBy default, the IP routing table contains a single “best” R

Configuring and Customizing IP117356-D Rev 004-21 Using the BCCTo specify the maximum number of equal-cost paths for RIP, navigate to the IP global pr

Configuring IP Services4-22117356-D Rev 00Enabling and Disabling ECMP Support for IBGPBy default, in cases where IBGP uses the IP routing table to det

Configuring and Customizing IP117356-D Rev 004-23 Using the BCCNavigate to the IP global prompt and enter:isp-mode <state>state is one of the fo