Avaya Configuring SNMP, BOOTP, DHCP, and RARP Services Manuale Utente

Part No. 303542-A Rev 00October 1998BayRS Version 13.00Site Manager Software Version 7.00 BCC Version 4.05 Configuring SNMP, BootP, DHCP, and RARP Se

x303542-A Rev 00Appendix B Default Parameter SettingsSNMP Parameters ...

Configuring SNMP, BootP, DHCP, and RARP Services4-14303542-A Rev 00Specifying the Relay Agent IP AddressYou must specify the IP address of a numbered

Customizing BootP303542-A Rev 004-15 To specify the target server IP address, complete the tasks in the following table.Specifying the Target Server’s

Configuring SNMP, BootP, DHCP, and RARP Services4-16303542-A Rev 00After you specify the IP address and host name of the target server, the BootP Rela

Customizing BootP303542-A Rev 004-17 Filtering BootP and DHCP PacketsYou can control whether an interface transmits BootP packets, DHCP packets, or bo

Configuring SNMP, BootP, DHCP, and RARP Services4-18303542-A Rev 00Deleting the BootP Relay Agent from an IP InterfaceTo delete a BootP relay agent fr

303542-A Rev 005-1 Chapter 5Customizing DHCPThis chapter describes how to customize DHCP services. It assumes you have configured an IP interface usin

Configuring SNMP, BootP, DHCP, and RARP Services5-2303542-A Rev 00Specifying Interfaces to Receive and Relay DHCP PacketsYou must specify a forwarding

Customizing DHCP303542-A Rev 005-3 Specifying Servers for DHCP ServicesYou can improve the efficiency of the packet forwarding process or transmit DHC

Configuring SNMP, BootP, DHCP, and RARP Services5-4303542-A Rev 00To delete DHCP from an IP interface, complete the tasks in the following table.To de

303542-A Rev 006-1 Chapter 6Customizing RARPThis chapter describes how to customize RARP services. It assumes you have configured an IP interface usin

303542-A Rev 00xiFiguresFigure 2-1. Role of SNMP ...2-3Figure

Configuring SNMP, BootP, DHCP, and RARP Services6-2303542-A Rev 00Customizing RARP ParametersAfter you have enabled RARP services on your router (see

Customizing RARP303542-A Rev 006-3 Defining the RARP Mapping TableThe RARP mapping table lists the clients on the network that use the router’s RARP s

Configuring SNMP, BootP, DHCP, and RARP Services6-4303542-A Rev 00Specifying the Client’s IP AddressYou must specify the IP address corresponding to t

Customizing RARP303542-A Rev 006-5 Disabling RARP GloballyTo globally disable RARP from all router interfaces on which it is configured, complete the

303542-A Rev 00A-1 Appendix ASNMP, BootP, DHCP, and RARPParameter DescriptionsThis appendix contains reference information about customizing the param

Configuring SNMP, BootP, DHCP, and RARP ServicesA-2303542-A Rev 00For each parameter, this appendix provides the following information:• Parameter nam

SNMP, BootP, DHCP, and RARP Parameter Descriptions303542-A Rev 00A-3 SNMP Global ParametersUse the following guidelines to configure SNMP global param

Configuring SNMP, BootP, DHCP, and RARP ServicesA-4303542-A Rev 00Parameter: Lock Time OutPath: Configuration Manager > Protocols > IP > SNMP

SNMP, BootP, DHCP, and RARP Parameter Descriptions303542-A Rev 00A-5 SNMP Community ParametersUse the following guidelines to configure SNMP community

Configuring SNMP, BootP, DHCP, and RARP ServicesA-6303542-A Rev 00SNMP Manager ParametersUse the following guidelines to configure SNMP manager parame

SNMP, BootP, DHCP, and RARP Parameter Descriptions303542-A Rev 00A-7 SNMP Trap Interface ParametersUse the following guidelines to configure SNMP trap

Configuring SNMP, BootP, DHCP, and RARP ServicesA-8303542-A Rev 00SNMP Threshold Global ParametersUse the following guidelines to configure SNMP thres

SNMP, BootP, DHCP, and RARP Parameter Descriptions303542-A Rev 00A-9 SNMP Threshold Interface ParametersUse the following guidelines to configure SNMP

Configuring SNMP, BootP, DHCP, and RARP ServicesA-10303542-A Rev 00Parameter: Threshold Low ValuePath: Configuration Manager > Protocols > Globa

SNMP, BootP, DHCP, and RARP Parameter Descriptions303542-A Rev 00A-11 Parameter: Threshold Medium ValuePath: Configuration Manager > Protocols >

Configuring SNMP, BootP, DHCP, and RARP ServicesA-12303542-A Rev 00Parameter: Threshold High ValuePath: Configuration Manager > Protocols > Glob

SNMP, BootP, DHCP, and RARP Parameter Descriptions303542-A Rev 00A-13 Parameter: Threshold UnitsPath: Configuration Manager > Protocols > Global

Configuring SNMP, BootP, DHCP, and RARP ServicesA-14303542-A Rev 00Parameter: Threshold Max Successive AlarmsPath: Configuration Manager > Protocol

SNMP, BootP, DHCP, and RARP Parameter Descriptions303542-A Rev 00A-15 Parameter: Threshold LabelPath: Configuration Manager > Protocols > Global

303542-A Rev 00xiiiTablesTable 2-1. Severity Levels ...2-5Table

Configuring SNMP, BootP, DHCP, and RARP ServicesA-16303542-A Rev 00BootP and DHCP ParametersUse the following guidelines to configure BootP and DHCP p

SNMP, BootP, DHCP, and RARP Parameter Descriptions303542-A Rev 00A-17 Parameter: Timeout Secs.Path: Configuration Manager > Protocols > IP >

Configuring SNMP, BootP, DHCP, and RARP ServicesA-18303542-A Rev 00BootP Address ParametersUse the following guidelines to configure BootP and DHCP pa

SNMP, BootP, DHCP, and RARP Parameter Descriptions303542-A Rev 00A-19 Parameter: Enable/DisablePath: Configuration Manager > Protocols > IP >

Configuring SNMP, BootP, DHCP, and RARP ServicesA-20303542-A Rev 00BootP Client Interface Address ParametersUse the following guidelines to configure

SNMP, BootP, DHCP, and RARP Parameter Descriptions303542-A Rev 00A-21 BootP Preferred Server Configuration ParametersUse the following guidelines to c

Configuring SNMP, BootP, DHCP, and RARP ServicesA-22303542-A Rev 00Parameter: Enable/DisablePath: Configuration Manager > Protocols > IP > BO

SNMP, BootP, DHCP, and RARP Parameter Descriptions303542-A Rev 00A-23 RARP Interface ParametersUse the following guidelines to configure RARP interfac

Configuring SNMP, BootP, DHCP, and RARP ServicesA-24303542-A Rev 00Parameter: IP AddressPath: Configuration Manager > Protocols > IP > Revers

303542-A Rev 00B-1 Appendix BDefault Parameter SettingsSNMP ParametersTable B-1 to Table B-6 list the Site Manager default parameter settings for SNMP

Configuring SNMP, BootP, DHCP, and RARP ServicesB-2303542-A Rev 00Table B-3. SNMP Manager ParametersParameter DefaultTrap Port 162Trap Types GenericT

Default Parameter Settings303542-A Rev 00B-3 BootP and DHCP ParametersTables B-7 to B-10 list the Site Manager default parameter settings for BootP an

Configuring SNMP, BootP, DHCP, and RARP ServicesB-4303542-A Rev 00RARP ParametersTables B-11 and B-12 list the Site Manager default parameter settings

303542-A Rev 00Index-1Aacronyms, xviiadding a manager, 3-13BBootPclient interfaces table, creating, 4-11configuring preferred servers, 4-13customizing

Index-2303542-A Rev 00DHCP (continued)specifyingmaximum number of hops, 4-2minimum seconds, 4-2relay mode, 4-4servers for, 5-3starting, 1-8DHCP parame

303542-A Rev 00Index-3configuring a manager to receive trapsusing Site Manager, 3-15using the BCC, 3-15configuring trap exceptions, 3-23deleting a com

Index-4303542-A Rev 00Threshold Label parameter, 2-9, A-15Threshold Low Event Level parameter, A-10Threshold Low Value parameter, A-10Threshold Max Su

303542-A Rev 00xv PrefaceThis guide describes how to configure Simple Network Management Protocol (SNMP), Bootstrap Protocol (BootP), Dynamic Host Con

Configuring SNMP, BootP, DHCP, and RARP Servicesxvi303542-A Rev 00Text ConventionsThis guide uses the following text conventions:angle brackets (<

Preface303542-A Rev 00xvii AcronymsBay Networks Technical PublicationsYou can now print Bay Networks technical manuals and release notes free, directl

Configuring SNMP, BootP, DHCP, and RARP Servicesxviii303542-A Rev 00You can purchase Bay Networks documentation sets, CDs, and selected technical publ

303542-A Rev 001-1 Chapter 1Starting SNMP, BootP,DHCP, and RARP ServicesThis chapter describes how to create a basic SNMP, BootP, DHCP, and RARP confi

ii303542-A Rev 004401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821Copyright © 1998 Bay Networks, Inc.All rights res

Configuring SNMP, BootP, DHCP, and RARP Services1-2303542-A Rev 00Starting Configuration ToolsBefore configuring SNMP, BootP, DHCP, and RARP services,

Starting SNMP, BootP, DHCP, and RARP Services303542-A Rev 001-3 When you have successfully configured the circuit, the Select Protocols window opens.

Configuring SNMP, BootP, DHCP, and RARP Services1-4303542-A Rev 00Step 2: Configuring an IP InterfaceTo configure an IP interface on a physical interf

Starting SNMP, BootP, DHCP, and RARP Services303542-A Rev 001-5 Starting SNMP ServicesYou can use the BCC command line interface or the Site Manager g

Configuring SNMP, BootP, DHCP, and RARP Services1-6303542-A Rev 00To start SNMP, perform the tasks in the following table:Customizing SNMP ServicesThe

Starting SNMP, BootP, DHCP, and RARP Services303542-A Rev 001-7 Starting BootP ServicesYou must use Site Manager to start BootP. The BCC is not suppor

Configuring SNMP, BootP, DHCP, and RARP Services1-8303542-A Rev 00Customizing BootPFor information about customizing BootP parameters, see Chapter 4,

Starting SNMP, BootP, DHCP, and RARP Services303542-A Rev 001-9 Enabling DHCP on an InterfaceWhen you select either a link- or net-module connector, o

Configuring SNMP, BootP, DHCP, and RARP Services1-10303542-A Rev 00Starting RARP ServicesBefore you can enable RARP services, you must enable IP on th

Starting SNMP, BootP, DHCP, and RARP Services303542-A Rev 001-11 Customizing RARPFor information about modifying RARP parameters, refer to Chapter 6,

303542-A Rev 00iiiBay Networks, Inc. Software License AgreementNOTICE: Please carefully read this license agreement before copying or using the accom

303542-A Rev 002-1 Chapter 2SNMP, BootP,DHCP, and RARP Concepts This chapter describes the concepts behind SNMP, BootP, DHCP, and RARP services and ho

Configuring SNMP, BootP, DHCP, and RARP Services2-2303542-A Rev 00SNMP applications contain manager software that runs on a network management station

SNMP, BootP, DHCP, and RARP Concepts303542-A Rev 002-3 Figure 2-1. Role of SNMPSNMP CommunitiesFor security reasons, the SNMP agent validates each req

Configuring SNMP, BootP, DHCP, and RARP Services2-4303542-A Rev 00An SNMP community is a logical relationship between an SNMP agent and one or more SN

SNMP, BootP, DHCP, and RARP Concepts303542-A Rev 002-5 An event log message provides a brief description of an event, along with the event code associ

Configuring SNMP, BootP, DHCP, and RARP Services2-6303542-A Rev 00For detailed information about entities and severity levels, see Event Messages for

SNMP, BootP, DHCP, and RARP Concepts303542-A Rev 002-7 ThresholdsSNMP uses a management information base (MIB) to manage the router. The MIB includes

Configuring SNMP, BootP, DHCP, and RARP Services2-8303542-A Rev 00Threshold ExampleSuppose you want SNMP to warn you if the number of high-priority (P

SNMP, BootP, DHCP, and RARP Concepts303542-A Rev 002-9 For example, if the wfCctOptsCngcCfgQp1Threshold variable has a value of 120, the agent generat

iv303542-A Rev 00its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files, d

Configuring SNMP, BootP, DHCP, and RARP Services2-10303542-A Rev 00BootP Relay Agent OverviewBootP is built on the client-server model and allows a di

SNMP, BootP, DHCP, and RARP Concepts303542-A Rev 002-11 Figure 2-3. BootP Client and Server on Different Physical NetworksThe client transmits a BOOTR

Configuring SNMP, BootP, DHCP, and RARP Services2-12303542-A Rev 00Figure 2-4. BOOTREQUEST and BOOTREPLY FieldsThe packet relay process uses these fie

SNMP, BootP, DHCP, and RARP Concepts303542-A Rev 002-13 2. If the router accepts the packet, it alters the packet by:• Incrementing the hops field by

Configuring SNMP, BootP, DHCP, and RARP Services2-14303542-A Rev 00• If the flags field contains the value 0, the client knows its own IP address, whi

SNMP, BootP, DHCP, and RARP Concepts303542-A Rev 002-15 Although BootP and DHCP use the same UDP port numbers (67 and 68), they differ in the followin

Configuring SNMP, BootP, DHCP, and RARP Services2-16303542-A Rev 00Identifying DHCP ServersFigure 2-5 shows the first stage of the process of acquirin

SNMP, BootP, DHCP, and RARP Concepts303542-A Rev 002-17 Figure 2-6. Fields in a DHCP Packet2. DHCP servers may respond with a DHCPOFFER packet that in

Configuring SNMP, BootP, DHCP, and RARP Services2-18303542-A Rev 00Requesting and Receiving IP InformationFigure 2-7 shows the next stage of the proce

SNMP, BootP, DHCP, and RARP Concepts303542-A Rev 002-19 The client examines the configuration parameters in the DHCPACK packet and records the duratio

303542-A Rev 00vContentsPrefaceBefore You Begin ...

Configuring SNMP, BootP, DHCP, and RARP Services2-20303542-A Rev 00RARP OverviewYou can use a Bay Networks router as a Reverse Address Resolution Prot

303542-A Rev 003-1 Chapter 3Customizing SNMPThis chapter describes how to customize SNMP services. It assumes you have configured an IP interface usin

Configuring SNMP, BootP, DHCP, and RARP Services3-2303542-A Rev 00Summary of SNMP Configuration TasksUsing the BCC and Site ManagerTable 3-1 summarize

Customizing SNMP303542-A Rev 003-3 Customizing SNMP Global ParametersYou can enable SNMP services most easily by accepting all the default parameter v

Configuring SNMP, BootP, DHCP, and RARP Services3-4303542-A Rev 00 lock-timeout 2 authentication-traps enabled type-of-service reliability scope-d

Customizing SNMP303542-A Rev 003-5 The SNMP locking mechanism is enabled by default. This means that the SNMP agent identifies the station from which

Configuring SNMP, BootP, DHCP, and RARP Services3-6303542-A Rev 00Specifying a Lock AddressThe default lock address is 0.0.0.0. To specify a lock addr

Customizing SNMP303542-A Rev 003-7 Using Site ManagerTo specify a lock timeout value, complete the tasks in the following table.Enabling and Disabling

Configuring SNMP, BootP, DHCP, and RARP Services3-8303542-A Rev 00Using the BCCBy default, SNMP sends an authentication failure trap for sets from a f

Customizing SNMP303542-A Rev 003-9 Specifying the Type of Service for the SNMP PacketSite Manager does not support this function.You can specify the t

vi303542-A Rev 00Chapter 2 SNMP, BootP, DHCP, and RARP ConceptsSNMP Overview ...

Configuring SNMP, BootP, DHCP, and RARP Services3-10303542-A Rev 00For example, the following commands create a community named “Router1” and display

Customizing SNMP303542-A Rev 003-11 By default, the router grants read-only access privileges to all members of an SNMP community. Read-only access al

Configuring SNMP, BootP, DHCP, and RARP Services3-12303542-A Rev 00Deleting an SNMP CommunityYou can delete an SNMP community to which the the agent r

Customizing SNMP303542-A Rev 003-13 Configuring SNMP Community ManagersThis section describes how to add and delete SNMP community members (managers).

Configuring SNMP, BootP, DHCP, and RARP Services3-14303542-A Rev 00Using Site ManagerTo add a manager to a particular community, complete the tasks in

Customizing SNMP303542-A Rev 003-15 Specifying the Trap PortBy default, the standard port number on the managing station to which the SNMP agent trans

Configuring SNMP, BootP, DHCP, and RARP Services3-16303542-A Rev 00Specifying a Trap TypeYou can specify one of four types of traps that the SNMP agen

Customizing SNMP303542-A Rev 003-17 For example, the following command sequence causes the SNMP agent to transmit Specific traps to manager 2.2.2.2. m

Configuring SNMP, BootP, DHCP, and RARP Services3-18303542-A Rev 00Using the BCCTo delete a manager, navigate to the manager-specific prompt and enter

Customizing SNMP303542-A Rev 003-19 Configuring Traps on the RouterA trap is an event that the router transmits to some external network device, such

303542-A Rev 00viiAdding SNMP Communities ...3-9Specifying an

Configuring SNMP, BootP, DHCP, and RARP Services3-20303542-A Rev 00For example, the following command line causes the SNMP agent to send to a network

Customizing SNMP303542-A Rev 003-21 Specifying the Severity Level for TrapsTrap messages are always associated with one of five severity levels: infor

Configuring SNMP, BootP, DHCP, and RARP Services3-22303542-A Rev 00Disabling a Trap EntityYou can prevent the SMNP agent from sending a specific trap

Customizing SNMP303542-A Rev 003-23 For example, the following command prevents the SNMP manager from sending traps for entity 2 on slot 2.trap-entity

Configuring SNMP, BootP, DHCP, and RARP Services3-24303542-A Rev 00Using the BCCTo specify a trap exception based on protocol entity and entity code,

Customizing SNMP303542-A Rev 003-25 Deleting Trap ExceptionsYou can delete a trap exception by specifying the entity number and the event code for the

Configuring SNMP, BootP, DHCP, and RARP Services3-26303542-A Rev 00Using Site ManagerTo delete a trap exception, complete the tasks in the following t

Customizing SNMP303542-A Rev 003-27 Disabling and Reenabling ThresholdsBy default, the thresholds feature is enabled on all interfaces on which IP is

Configuring SNMP, BootP, DHCP, and RARP Services3-28303542-A Rev 00To set the threshold polling interval, complete the tasks in the following table.Ad

Customizing SNMP303542-A Rev 003-29 Enabling and Disabling Thresholds for a VariableYou can decide whether to turn the threshold for a specific variab

viii303542-A Rev 00Chapter 4 Customizing BootPCustomizing BootP Relay Agent Parameters ...

Configuring SNMP, BootP, DHCP, and RARP Services3-30303542-A Rev 00Specifying a Value for the Threshold LevelYou can specify an integer value that det

Customizing SNMP303542-A Rev 003-31 To specify the severity level for event messages, complete the tasks in the following table.Specifying Threshold U

Configuring SNMP, BootP, DHCP, and RARP Services3-32303542-A Rev 00To specify threshold units, complete the tasks in the following table.Determining W

Customizing SNMP303542-A Rev 003-33 To determine when to record threshold events, complete the tasks in the following table.Specifying Maximum Success

Configuring SNMP, BootP, DHCP, and RARP Services3-34303542-A Rev 00To specify the maximum number of successive alarms, complete the tasks in the follo

Customizing SNMP303542-A Rev 003-35 Specifying a Threshold Object NameBy default, the ASN.1 object identifier is the object name that appears in the T

303542-A Rev 004-1 Chapter 4Customizing BootPThis chapter describes how to customize BootP services. It assumes you have configured an IP interface an

Configuring SNMP, BootP, DHCP, and RARP Services4-2303542-A Rev 00Customizing BootP Relay Agent ParametersAfter you have configured all the IP interfa

Customizing BootP303542-A Rev 004-3 By default, the maximum number of hops a packet can take from the source device to the destination device (client

303542-A Rev 00ixChapter 5 Customizing DHCPCustomizing DHCP Parameters ...

Configuring SNMP, BootP, DHCP, and RARP Services4-4303542-A Rev 00To specify a minimum timeout value, complete the tasks in the following table.Specif

Customizing BootP303542-A Rev 004-5 Setting Up the Routing Path Between theBootP Server and the RoutersYou must define the routing path between the Bo

Configuring SNMP, BootP, DHCP, and RARP Services4-6303542-A Rev 00Figure 4-1. Enabling BootP in a Sample NetworkEnable BOOTP onthese interfacesCorpora

Customizing BootP303542-A Rev 004-7 To enable BootP on an interface, complete the tasks in the following table.Specifying Interfaces to Receive and Re

Configuring SNMP, BootP, DHCP, and RARP Services4-8303542-A Rev 00Creating a BootP Relay Agent Forwarding TableYou must create a BootP relay agent for

Customizing BootP303542-A Rev 004-9 Deleting an IP Interface Input/Output Address PairTo delete an input/output address pair from the BootP relay agen

Configuring SNMP, BootP, DHCP, and RARP Services4-10303542-A Rev 00Disabling BootP Route ForwardingBy default, the route (interface) through which the

Customizing BootP303542-A Rev 004-11 Configuring an AN to Use EZ Install over a Frame Relay PVCIf you intend to configure an AN router to use EZ Insta

Configuring SNMP, BootP, DHCP, and RARP Services4-12303542-A Rev 00To specify a client IP address, complete the tasks in the following table.Specifyin

Customizing BootP303542-A Rev 004-13 To specify the DLCI number, complete the tasks in the following table.Specifying Servers for BootP ServicesYou ca