[j-nsp] Multipath BGP issue
Felix Schueren
felix.schueren at hosteurope.de
Thu Jun 2 09:31:01 EDT 2011
Paul,
by default JUNOS will do per-prefix balancing with multipath. Did you
configure "load-balance per-packet" (which actually is per flow and
named this for historical reasons) on forwarding table export?
For the load balancing to put multiple paths to the same target into the
forwarding table, you'll need (besides identical bgp attributes up to
the obscure tiebreakers):
top
set routing-options forwarding-table export <name-of-policy>
The simplest version of <name-of-policy> is:
top
edit policy-options policy-statement <name-of-policy>
set then load-balance per-packet
>
> Is there a legit issue here somewhere? JTAC seemed to indicate they
wanted
> to further investigate my import policy but I don't see anything wrong
> here.. ?
>
>
I think you are just lacking the load-balance per-packet magic towards
the forwarding engine.
Does this help?
Kind regards,
Felix
--
Felix Schüren
Head of Network
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