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

[Youssef Bengelloun-Zahr]

Hello,

Indeed, makes a lot more sens now. Thanks for the links.

Best regards.



2016-05-25 12:24 GMT+02:00 Tudor Capatina <ktudore at yahoo.com>:

> Hello,
>
> You can have a nice read here:
>
> https://puck.nether.net/pipermail/foundry-nsp/2006-December/005382.html
>
> and just for reference the documentation for the commands:
>
>
> http://www.brocade.com/content/html/en/configuration-guide/NI_05800a_SWITCHING/GUID-04EDFD31-E5FB-4593-8434-0DF8EDB3249E.html
>
> Have a nice day!
> --------------------------------------------
> On Wed, 5/25/16, Youssef Bengelloun-Zahr <youssef at 720.fr> wrote:
>
>  Subject: Re: [f-nsp] MLXe slow on 10G doing inter-vlan routing
>  To: "Tudor Capatina" <ktudore at yahoo.com>
>  Cc: "foundry-nsp at puck.nether.net" <foundry-nsp at puck.nether.net>
>  Date: Wednesday, May 25, 2016, 12:50 PM
>
>  Hello,
>
>  Could you please explain the correlation
>  between this commands and performance issues observed by the
>  OP ?
>
>  Best regards.
>
>
>
>  2016-05-25 11:06 GMT+02:00
>  Tudor Capatina via foundry-nsp <foundry-nsp at puck.nether.net>:
>  i second
>  that,
>
>
>
>  no ip icmp redirects - in global config mode or
>
>  no ip redirect - in interface config mode
>
>
>
>   and you are good to go.
>
>
>
>  Tudor
>
>  --------------------------------------------
>
>  On Wed, 5/25/16, Mike Allen <mkallen at gmail.com>
>  wrote:
>
>
>
>   Subject: Re: [f-nsp] MLXe slow on 10G doing inter-vlan
>  routing
>
>   To: "George B." <georgeb at gmail.com>
>
>   Cc: foundry-nsp at puck.nether.net
>
>   Date: Wednesday, May 25, 2016, 1:07 AM
>
>
>
>   Turn off
>
>   ICMP redirects. Common problem in one arm routing
>  configs.
>
>   IMO it should be the default setting but it's not.
>
>   Mike
>
>   On May 24, 2016 2:00 PM,
>
>   "George B" <georgeb at gmail.com>
>
>   wrote:
>
>   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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>
>
>
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>
>  --
>  Youssef
>  BENGELLOUN-ZAHR
>
>


-- 
Youssef BENGELLOUN-ZAHR
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