
Configuring Traffic Filters and Protocol Prioritization
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Bay Networks routers support two types of traffic filters:
•
Inbound traffic filters
act on packets that the router is receiving.
•
Outbound traffic filters
act on packets that the router is forwarding.
You can create traffic filters on the following router interfaces:
• Ethernet (10BASE-T and 100BASE-T)
• FDDI
• HSSI
• MCE1
• MCT1
• Synchronous
• Token ring
You can apply multiple traffic filters to a single interface. When more than one
filter applies to a packet, the order of filters determines the filtering result.
Inbound Traffic Filters
Inbound traffic filters act on packets arriving
at a particular router interface. Most
sites use inbound traffic filters primarily for security, to restrict access to nodes in
a network.
When you configure inbound traffic filters, you specify a set of conditions that
apply to the traffic of a particular bridging or routing protocol. The Configuration
Manager supports inbound traffic filters for the following protocols:
• Transparent bridge (four encapsulation methods: Ethernet, 802.2 LLC, 802.2
LLC with SNAP, and Novell Proprietary)
• Native source route bridging (SRB)
•IP
• IPX
• XNS
• OSI
• DECnet Phase IV
• VINES
• DLSw
• LLC2 (APPN and LNM)
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