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route leaking

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  • 1.  route leaking

     
    Posted 04-25-2020 00:58

    Hi all,

    How to examine whether or not there is route(s) leaking between multiple ISP(transit) are directly connected to my network?

    And Secondly how to determine whether or not receiving my own routes from my transit(s).

     

    thx

    A

     



  • 2.  RE: route leaking
    Best Answer

     
    Posted 04-25-2020 03:53

    Hello Arix,

     

    you can check if you receive or advertise prefixes to your BGP neighbors with the following commands:

     

    Check if you receive a prefix from neighbor 1.1.1.1:

    show route receive-protocol bgp 1.1.1.1 <optional: prefix you want to check>

    https://www.juniper.net/documentation/en_US/junos/topics/reference/command-summary/show-route-receive-protocol.html

     

     

    Check if you advertise a prefix to neighbor 1.1.1.1:

    show route advertising-protocol bgp 1.1.1.1 <optional: prefix you want to check>

    https://www.juniper.net/documentation/en_US/junos/topics/reference/command-summary/show-route-advertising-protocol.html



  • 3.  RE: route leaking

     
    Posted 04-25-2020 04:52

    Hi Arix,

     

    thanks for the Kudos. If my answer has solved all of your questions, please accept my answer as "Accepted Solution", so that others can find the answer very quickly.

     

    Thank you and have a nice weekend.