Foundry Configuration Guide for the FESX, FSX, and FWSX
17 - 4
© Foundry Networks, Inc.
December 2005
Configuring RIP Parameters
Use the following procedures to configure RIP parameters on a system-wide and individual interface basis.
Enabling RIP
RIP is disabled by default. To enable it, use the following method.
NOTE:
You must enable the protocol globally and also on individual interfaces on which you want to advertise
RIP. Globally enabling the protocol does not enable it on individual interfaces.
To enable RIP globally, enter the following command:
FastIron SuperX Router(config)# router rip
Syntax:
[no] router rip
After globally enabling the protocol, you must enable it on individual interfaces. You can enable the protocol on
physical interfaces as well as virtual routing interfaces. To enable RIP on an interface, enter commands such as
the following:
FastIron SuperX Router(config)# interface ethernet 1/1
FastIron SuperX Router(config-if-1/1)# ip rip v1-only
Syntax:
[no] ip rip v1-only | v1-compatible-v2 | v2-only
NOTE:
You must specify the RIP version.
Configuring Metric Parameters
By default, a Foundry Layer 3 Switch port increases the cost of a RIP route that is learned on the port by one. You
can configure individual ports to add more than one to a learned route’s cost. In addition, you can configure a RIP
offset list to increase the metric for learned or advertised routes based on network address.
Changing the Cost of Routes Learned on a Port
By default, a Foundry Layer 3 Switch port increases the cost of a RIP route that is learned on the port. The Layer
3 Switch increases the cost by adding one to the route’s metric before storing the route.
You can change the amount that an individual port adds to the metric of RIP routes learned on the port. To do so,
use the following method.
NOTE:
RIP considers a route with a metric of 16 to be unreachable. Use this metric only if you do not want the
route to be used. In fact, you can prevent the Layer 3 Switch from using a specific port for routes learned though
that port by setting its metric to 16.
To increase the cost a port adds to RIP routes learned in that port, enter commands such as the following:
Advertising and
learning specific
routes
You can control the routes that a Layer 3 Switch
learns or advertises.
The Layer 3 Switch
learns and advertises
all RIP routes on all
interfaces.
17-9
Table 17.3: RIP Interface Parameters (Continued)
Parameter
Description
Default
See page...
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