[rbak-nsp] link group on 4x10G card (SE600/1200) for dot1q purpose

[Olivier Benghozi]

> Le 23 oct. 2017 à 14:02, Marcin Kuczera <marcin at leon.pl> a écrit :
>> We had problems with load balancing on heavy used vlans (thousands of dhcp endpoints in one vlan) and with MPLS/VPLS traffic between 2 IP endpoints.
>> There was only a traffic distribution by dot1q pvc regardless, what was configured by "service load-balance". If you have a lot of traffic in ONE vlan, you will have a lot of traffic on ONE port. If this port reaches 100%, packets will be dropped.
> 
> And this is the nasty part... Ok, lets say - ditribution of traffic towards RedBack will be done by switch, so such traffic will be properly balanced.
> But subscriber's outgoing traffic will not, so we can consider that for 1 vlan towards BGP core, max RedBack SE600/1200 capacity is 10G.
> 
> Not good, however still we have a space in this direction for 2-3 or more years. I have to think about plan B (like SSR8801).

If it's just plain IP/MPLS traffic and that the LAG is configured as dot1q (and not access), it should be properly (more or less) load balanced, I think...