Jumbo frames on PE 1950

Brian D. McGrew brian at visionpro.com
Fri Sep 19 18:19:50 CDT 2008


I'm having the same kind of a problem on a 1900 with VMware ESXi, but,
since it's ESXi, I don't have much debug to go on.  I set the MTU to
9000 at the switch and the computer and lost all network connectivity!

Could be related?

-brian

-----Original Message-----
From: linux-poweredge-bounces at dell.com
[mailto:linux-poweredge-bounces at dell.com] On Behalf Of Matt Lawrence
Sent: Friday, September 19, 2008 3:37 PM
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

Any idea what I have missed?

-- Matt

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