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next-hop with bgp confederation

  • 1.  next-hop with bgp confederation

    Posted 30 days ago

    I have the following topology

    Confed.PNG

    vMX1 advertises 1.1.1.1, when R5 receives 1.1.1.1, what should the next-hop point to by default?  ge-0/0/1 on vMX3 or ge-0/0/0 on vMX1? 

     

    thanks in advance !!



  • 2.  Re: next-hop with bgp confederation

    Posted 30 days ago

    Hello,

    If JUNOS default settings are used everywhere, then it would be IP address on VMX1 ge-0/0/0.

    JUNOS does not change NH when advertising from eBGP to cBGP/iBGP, and does not change it when adverting within cBGP.

    HTH

    Thx

    Alex



  • 3.  Re: next-hop with bgp confederation

    Posted 25 days ago

    thanks !!