[j-nsp] Problems with Link Aggregation

Mark Tinka mark.tinka at seacom.mu
Sun Apr 21 11:11:53 EDT 2013


On Wednesday, March 06, 2013 04:15:45 PM Filippo Cugini 
wrote:

> However, when we send traffic on the aggregated link,
> just one ge works, and we experience packet loss when we
> exceed the throughput of 1000mbps. Indeed, the
> statistics of all interfaces show that only the
> ge-0/0/12 is utilized to forward the data traffic, while
> the other two interfaces send and receive only signaling
> packets.

We've seen this when flows are non-IP, i.e., in our case, 
the flows were MPLS-based.

TAC came back to say the system won't load share if the 
flows aren't direct IP (unlike Cisco switches, it can't look 
beyond the MPLS frames to reveal the IP packets and hash on 
that).

Not sure if this was your traffic type.

We saw the issue on the EX4200's.

Mark.
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