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  • Route Map configuration for traffic routing

    Design & Configure

    Route Map configuration for traffic routing

    Technology: Routing
    Title: Route Map
    Vendor: Cisco
    Software: 12.X , 15.X
    Platform: ISR, ASR

    The primary usage of route map configuration is to steer the traffic independent from the routing table. Route map uses match and set statements that help define the source and then destination for traffic.

    Traffic is matched with ACL:

    Router(config)#ip access-list standard MATCH_ACL
    Router(config-std-nacl)#permit 192.168.100.0 0.0.0.255

    Then ACL is used in route map statement:
    Router(config)#route-map 192_REDIRECT permit 10
    Router(config-route-map)#match ip address MATCH_ACL

    As a result next hop and IP is chosen
    Router(config-route-map)#set ip default next-hop 10.10.10.1
    Router(config-route-map)#set default interface FastEthernet 0/1
    Router(config)#route-map 192_REDIRECT permit 20

    Apply the route map on interface which you want to take the traffic from
    Router(config-if)#ip policy route-map 192_REDIRECT

    Author: Marcin Bialy
     
    Grandmetric