[j-nsp] J2300 T1 Load balancing

[Gary Hauser]

Per packet has not been per-packet since 1999 it is really per flow amd
by default only source interface + src IP and Dest. IP unless you add
layer-4 headers to the command.

Also to make your policy more dynamic just remove the from section
leaving only a then section with the per-packet config allowing anything
to be load balanced not just things that mach your dual Nexthop 0/0
static route.

Gary
-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net
[mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Alan Gravett
Sent: Thursday, April 03, 2008 1:20 PM
To: Peder @ NetworkOblivion
Cc: juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] J2300 T1 Load balancing

Suspect your policy is the is problem,  change it to either -

remove the "from" clause

or

from route-filter 0/0 orlonger

Load balancing is done on prefixes, not routes.

Alan

On Wed, Apr 2, 2008 at 9:10 PM, Peder @ NetworkOblivion <
peder at networkoblivion.com> wrote:

> I have a J2300 running 8.3R1.5 and I am trying to do packet by packet
> load balancing over two T1's. I tried the config below that I thought
> would work and it doesn't seem to load balance.  If I do a big upload,
> one T1 gets flooded and the other is virtually empty.  Any ideas what
I
> did wrong?  The next-hop IPs are correct.  I do see traffic on both
> links, just not anywhere near load balanced outbound.  Note that I
> cannot do MLPPP or MLFR, so don't suggest it, and I am not trying to
> load balance inbound.  I am trying to balance outbound from my J2300.
> Thanks.
>
> routing-options {
>     static {
>         route 0.0.0.0/0 next-hop [ 192.168.1.1 192.168.2.1 ];
>     }
>     forwarding-table {
>         export load-balance-default;
>     }
> }
> policy-options {
>     policy-statement load-balance-default {
>         term default-route {
>             from {
>                 route-filter 0.0.0.0/0 exact;
>             }
>             then {
>                 load-balance per-packet;
>             }
>         }
>     }
> }
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