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Forum Replies

  1. You can use community strings to set local preference on remote EBGP peers

  2. Hi Rene,

    I always get confused with the in and out direction. Would you please explain more about the when i should use direction in and when i should use out?

    Thank you in advance.

  3. Hi Helen,

    It really depends on what you are trying to change, first of all, keep in mind that inbound/outbound is from the router’s perspective.

    Local preference is something we change for OUR autonomous system so we have to apply it to prefixes that we receive. This means we’ll have to do it inbound.

    AS Path prepending is something we want to do when we send it to a neighbor, so it has to be outbound. The same for MED…it is advertised to a neighbor.


  4. Hussein,
    I assume you are referring to this:
    R3(config-router)#neighbor 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

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