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Forum Replies

  1. thank you for your lesson, can you explain why we use command bgp log-neighbor-changes no synchronization

  2. bgp log-neighbor-changes
    This command simply causes a message to displayed to the console or in the event log that a status has changed with one of your established BGP neighbors. This is very useful for an administrator to know.

    no synchronization
    This can be considered a legacy command now, because in modern IOS the “no synchronization” is on by default. The explanation of this is a bit long. Your best bet is to review the synchronization lesson.

    In a nutshell, the purpose for Synchronization rule was back when many internal routers didn’t have the CPU and

    ... Continue reading in our forum

  3. Hi Rene,
    I really appreciate your nice explanation. I love the way you explained the things. I have one confusion in below statement.
    "When two EBGP routers that are directly connected do not form a working BGP neighbor adjacency there could be a number of things that are wrong:

    _Layer 2 down preventing us from reaching the other side._
    _Layer 3 issue: wrong IP address on one of the routers._
    _Access-list blocking TCP port 179 (BGP)._
    _Wrong IP address configured for BGP neighbor router."

    What do you mean by layer 2 down preventing us from reaching the other si

    ... Continue reading in our forum

  4. It could be any issue on layer 2…an interface that goes down but a MAC address filter that prevents two routers from communicating with each other is also a layer 2 issue :slight_smile:

  5. hi laz
    In case if we want to use bgp for outbound traffic,what will be the difference in bgp config(for normal internet browsing)?is it practical for customer routers ?

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