[j-nsp] load balancing between juniper routers for unequalcostpath
Paul Goyette
pgoyette at juniper.net
Fri Nov 9 13:49:08 EST 2007
> Agreed, however, with the load-balancing export mentioned
> earlier, JunOS does per-flow balancing, hence, any particular
> session (such as a VoIP call and a stream of UDP packets)
> will always use the same path; thus they will still arrive in
> the same order at the destination router. =)
True if you include the TCP/UDP port info in the hash key. But
then if you send ICMP packets, those fields are occupied by
the sequence number, so some ECHO REQUEST will follow one path
while others go over a different path. The response will show
this when you get answers for 1, 2, 5, 3, 4, ...
:)
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