Jumbo frames on PE 1950

christian.peper at kpn.com christian.peper at kpn.com
Mon Sep 22 03:12:45 CDT 2008


found this:

You need a 2.6.17+ kernel. I'm assuming you have that (or better). If
not, that may fix it. I believe you should have 2.6.18-92 or better. So
it should be fine.

Maybe check the route table and/or restart the network services. Perhaps
it's confused about your setting.

> -----Original Message-----
> From: linux-poweredge-bounces at dell.com 
> [mailto:linux-poweredge-bounces at dell.com] On Behalf Of Matt Lawrence
> Sent: Saturday, September 20, 2008 12:37 AM
> To: linux-poweredge at dell.com
> Subject: Jumbo frames on PE 1950
> I'm running CentOS 5.2 with a much more recent kernel on a 
> bunch of PE 1950 systems.  I have set the maximum MTU on the 
> switch to 9000 and I'm trying to make jumbo frames work.  No 
> luck so far, with any MTU greater than 1500,  netperf just 
> gets the error: netperf: receive_response: no response 
> received. errno 110 counter 0

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