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Forum Replies

  1. Shawn,
    Make sure you are thinking about it from the perspective of the router you are working on. If things get really desperate, hold you arm out as a representation of the link between your body (the router) and the neighbor (at the end of your arm). As traffic is leaving you towards your neighbor, and you are wanting to effect a change on what is leaving you, you need a route-map in the outbound direction. Likewise, if you are receiving traffic down your “arm” from your neighbor, and you want to effect a change on that, you need a route-map set to inbound. In short, be the router! :slight_smile:

  2. Hussein,
    I assume you are referring to this:
    R3(config-router)#neighbor 192.168.13.1 route-map LOCALPREF in

    If you switched the route-map LOCALPREF in to be route-map LOCALPREF out, then the route-map would no longer be doing anything. Essentially, this would cause R3 no longer to advertise a non-default Local Preference to R4.

    The neighbor where the route-map statement being applied, is R1. R1 is in a different ASN than R3. As you may recall, the Local-Preference attribute is only sent to iBGP neighbors, so attempting to set the Local Preference attribute

    ... Continue reading in our forum

  3. Let me rephrase it , I am trying to figure out why R2 stops sending updates about 1.1.1.0/24 that it receives from R1(EBGP update) to both R4 and R3 when I apply the Route-map on R3.

    R2#show ip bgp  neighbors 4.4.4.4 advertised-routes 
    
    Total number of prefixes 0 
    R2#show ip bgp  neighbors 3.3.3.3 advertised-routes 
    
    Total number of prefixes 0 
    R2#
    

    If I remove the rm, it starts updating

    R3(config)#router bgp 2
    R3(config-router)#no  neighbor 192.168.13.1 route-map LOCALPREF in
    R3(config-router)#do clear ip bgp *
    R3(config-router)#
    R3(config-router)#
    R3(config
    ... Continue reading in our forum

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