Enterasys ssr-atm29-02 Guía Del Usuario

CoreWatch User’s Guide

127

Chapter 9: Configuring Unicast Routing on the SSR

Note: Do not change the default preference values unless you fully understand the 

implications of doing so.

Even though you can set preference in several places, each route has only one preference 
value associated with it. The last or most specific preference value set for a route is used. 
The preference value is arbitrarily assigned and is used to determine the order of routes to 
the same destination in the SSR’s routing table. The active route is chosen by the lowest 
preference value.

Configuring the SSR for RIP

If you are using the SSR in an IP RIP environment, you will need to configure the SSR for 
RIP. To do so, perform the following tasks:

1.

Create IP interfaces that you want to use for RIP. For details, see 

.

2.

Enable RIP on the SSR and specify global parameters if necessary. For details on these 
tasks, see 

“Setting RIP Global Parameters” on page 127

.

3.

Configure IP interfaces for RIP. For details on this task, see 

.

4.

Configure the SSR to accept RIP updates from only specific sources. For details on this 
task, see 

“Adding Trusted Gateways” on page 132

.

5.

Add routers that send RIP updates directly rather than using broadcast or multicast 
messages. For details on this task, see 

“Adding Source Gateways” on page 132

.

Setting RIP Global Parameters

Set global RIP parameters to enable or disable RIP on the SSR and to set RIP-specific 
parameters. To set the SSR’s global RIP parameters:

1.

Start Configuration Expert if you have not already done so. 

2.

Open the configuration file you want to modify and then double-click that file’s 
Routing Configuration object.

Aggregate/generate routes

130

OSPF AS external routes

150

BGP routes

170

Table 14. Preferences and Their Defaults (Continued)