[f-nsp] MLXe slow on 10G doing inter-vlan routing

[George B]

Do you notice the same behavior with both UDP and TCP streams?



On Tue, May 24, 2016 at 1:42 PM, Steven Raymond <sraymond at acedatacenter.com>
wrote:

> MLXe, very lightly loaded, with only one card BR-MLX-10Gx8-X.  Simplest of
> configuration, layer 2 link with VE interfaces.  During inter-vlan routing
> where the ingress traffic and egress traffic are on the same port, say
> e1/2, the input traffic level will be fine, but the output traffic is
> effectively maxed out at about 50Mbps (on a 10GigE port).  Shift hosts
> around so that the egress is a different port on the same card, bang
> problem gone and full expected traffic rates achieved.
>
> Tried numerous code versions, from 05800a to 05900a to 06000.  No
> improvement.
>
> Of course tried rebooting, new optics, new cabling.  No errors
> incrementing on the interface.  This is the silliest dumb problem in a long
> time.  Any ideas are appreciated.
>
> Thanks!
>
>
>
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