nanog mailing list archives

Re: Best way to have redundancy announcing on separate routers


From: Bryan Fields <Bryan () bryanfields net>
Date: Wed, 25 Dec 2024 22:52:18 -0500

On 12/25/24 6:18 PM, Randy Bush wrote:
where does one go for is-is help?  the mtu issie can be painful!!!

I think here would be good too.  I recently had to do this between a Cisco
3945e and a Juniper, and from my unrevised notes:

vlan {
  unit 405 {
    family iso {
    # holy shit this is important.  CISCO and Juniper will not talk unless the
MTU is set
        mtu 1492;
      }
   }
}

:-)

-- 
Bryan Fields

727-409-1194 - Voice
http://bryanfields.net


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