nanog mailing list archives

Re: Best way to have redundancy announcing on separate routers


From: Saku Ytti <saku () ytti fi>
Date: Thu, 26 Dec 2024 15:24:43 +0200

On Thu, 26 Dec 2024 at 05:55, Bryan Fields <Bryan () bryanfields net> wrote:

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

This is almost certainly the wrong solution to a real problem. Real
problem being, you have MTU mismatch, and the wrong solution is you
solve it for one ifa. You almost certainly want the MTU to be fixed in
ifl or maybe even ifd.

-- 
  ++ytti


Current thread: