[j-nsp] J2300 T1 Load balancing

Jose Madrid jmadrid2 at gmail.com
Wed Apr 2 16:17:46 EDT 2008


The configuration is definitely correct, so it does seem like the
issue described by others.  The only other thing I would say it to
just make sure both defaults are being put into the forwarding-table
by doing show route forwarding-table destination 0/0.


On Wed, Apr 2, 2008 at 4:06 PM, Phil Bedard <philxor at gmail.com> wrote:
> I don't know that much about the J2300 packet engines, but on the IP2
>  in the other platforms, the "load-balance per-packet" is a bit of a
>  misnomer.  With that configured, it will still forward packets to an
>  egress interface based on L3/L4 hashing, as opposed to actually doing
>  per-packet load balancing.  The configuration looks fine to me, so
>  that's probably the case with the J2300 as well.
>
>  Phil
>
>
>
>  On Apr 2, 2008, at 3:10 PM, Peder @ NetworkOblivion 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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