Configuring RIP
December 2005
© Foundry Networks, Inc.
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FESX424 Router(config-rip-router)# deny redistribute 3 ospf address 207.92.0.0
255.255.0.0
The following command denies redistribution for all OSPF routes that have a metric of 10:
FESX424 Router(config-rip-router)# deny redistribute 3 ospf address 207.92.0.0
255.255.0.0 match-metric 10
The following commands deny redistribution of all routes except routes for 10.10.10.x and 20.20.20.x:
FESX424 Router(config-rip-router)# deny redistribute 64 static address
255.255.255.255 255.255.255.255
FESX424 Router(config-rip-router)# permit redistribute 1 static address 10.10.10.0
255.255.255.0
FESX424 Router(config-rip-router)# permit redistribute 2 static address 20.20.20.0
255.255.255.0
NOTE:
This example assumes that the highest RIP redistribution filter ID configured on the device is 64.
Changing the Redistribution Metric
When the Layer 3 Switch redistributes a route into RIP, the software assigns a RIP metric (cost) to the route. By
default, the software assigns a metric of one to each route that is redistributed into RIP. You can increase the
metric that the Layer 3 Switch assigns, up to 15.
To change the RIP metric the Layer 3 Switch assigns to redistributed routes, enter a command such as the
following:
FESX424 Router(config-rip-router)# default-metric 10
This command assigns a RIP metric of 10 to each route that is redistributed into RIP.
Syntax:
[no] default-metric <1-15>
Enabling Redistribution
After you configure redistribution parameters, you need to enable redistribution.
To enable RIP redistribution, enter the following command:
FESX424 Router(config-rip-router)# redistribution
Syntax:
[no] redistribution
Configuring Route Learning and Advertising Parameters
By default, a Foundry Layer 3 Switch learns routes from all its RIP neighbors and advertises RIP routes to those
neighbors.
You can configure the following learning and advertising parameters:
•
Update interval – The update interval specifies how often the Layer 3 Switch sends RIP route advertisements
to its neighbors. The default is 30 seconds. You can change the interval to a value from 1 – 1000 seconds.
•
Learning and advertising of RIP default routes – The Layer 3 Switch learns and advertises RIP default routes
by default. You can disable learning and advertising of default routes on a global or individual interface basis.
•
Learning of standard RIP routes – By default, the Layer 3 Switch can learn RIP routes from all its RIP
neighbors. You can configure RIP neighbor filters to explicitly permit or deny learning from specific neighbors.
Changing the Update Interval for Route Advertisements
The update interval specifies how often the Layer 3 Switch sends route advertisements to its RIP neighbors. You
can specify an interval from 1 – 1000 seconds. The default is 30 seconds.
To change the RIP update interval, enter a command such as the following:
Содержание FastIron Edge Switch X424
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