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Policies and Filters
December 2005
© Foundry Networks, Inc.
C - 11
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A RIP route filter applied to inbound traffic on a port permits or denies learning of the route. When the device
learns an RIP route, the route is added to the RIP route table.
Scope
You configure RIP route filters globally, then apply them to specific ports.
Syntax
Use the following CLI commands to configure RIP route filters.
RIP Neighbor Filters
RIP neighbor filters specify the RIP neighbors the Foundry device can receive updates from or send updates to.
You identify the neighbor by specifying its IP address in the filter. Figure B.8 shows an example of an RIP
neighbor filter. In this example, the Foundry device is configured to drop all RIP advertisements from the RIP
neighbor 192.99.26.1/24. Since this is an outbound filter, the filter does not affect advertisements received by the
Foundry device from 192.99.26.1/24. The Foundry device can still learn RIP routes from this neighbor.
Figure C.3
RIP neighbor filters
Actions
•
A RIP neighbor filter applied to outbound traffic on a port permits or denies advertisement of routes.
•
A RIP neighbor filter applied to inbound traffic on a port permits or denies learning of the routes advertised by
the neighbor. When the device learns an RIP route, the route is added to the RIP route table.
Scope
You configure RIP neighbor filters globally. They are automatically applied to all RIP ports as soon as you
configure them.
Table C.11: RIP Route Filters
CLI syntax
(config-rip-router)# filter <filter-num> permit | deny
<source-ip-address> | any <source-mask> | any
(config-if-1/1)# ip rip filter-group in | out <filter-list>
Neighbor
RIP Router
Inbound IP/RIP Neighbor Filter for Port 4/3
FilterID Action Source
--------------------------------------------------------
1 Deny
192.99.26.1/24
1024 Permit any
201.44.67.1/24
X
Neighbor
RIP Router
192.99.26.1/24
Foundry Device
Summary of Contents for FastIron Edge Switch X424
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