[c-nsp] ASR1001X additional EBGP peer

Saku Ytti saku at ytti.fi
Sun Mar 8 06:11:00 EDT 2020


On Sun, 8 Mar 2020 at 12:04, Mark Tinka <mark.tinka at seacom.mu> wrote:

> BGP always chooses one best path. So if both of your upstreams announce
> the same path, only one of them will be used. You can use features like
> BGP Multipath to load balance egress traffic over the two upstreams, but
> this isn't the default BGP behaviour, and you'll have to turn it on and
> confirm it does what you want.

Cisco won't ECMP with different peer-as by default even with multipath
enabled, you'll also need hidden command 'bgp bestpath as-path
multipath-relax'.

-- 
  ++ytti


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