[j-nsp] J2300 T1 Load balancing

Peder @ NetworkOblivion peder at networkoblivion.com
Wed Apr 2 16:34:04 EDT 2008


It shows them both, so it appears to be what everybody else said.   I 
guess it is just a case of "it is what it is".  We can't do it this way. 
  Thanks all for your help.

PA

Jose Madrid wrote:
> 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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