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6.3.1
Configuration
6.3.1.1 Configure the IP Prefix List:
Add IP Prefix with default route using a prefix name of DR
8008 & 9001: Same configuration on both switches
8008:5(config)#ip prefix-list DR 0.0.0.0/0
6.3.1.2 Configure the IP Route Policy
Add route policy named Default_OSPF using sequence 1, add the IP prefix named DR, set
the metric to 100 on 8008, and set the metric to 300 on 9001
8008:
8008:5(config)#route-map Default_OSPF 1
8008:5(route-map)#enable
8008:5(route-map)#set injectlist DR
8008:5(route-map)#set metric 100
8008:5(route-map)#exit
9001:
9001:1(config)#route-map Default_OSPF 1
9001:1(route-map)#permit
9001:1(route-map)#enable
9001:1(route-map)#set injectlist DR
9001:1(route-map)#set metric 300
9001:1(route-map)#exit
The policy set-metric value is what will influence the OSPF route decision. The lower the value
the higher the route preference. For this example, 8008 is set to a lower metric value than
9001, which results in a higher preference value.
January 2016
Avaya Inc. – External Distribution
avaya.com
33
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