Broadcom NIC supports jumbo frames?

Vann H. Walke walkev at presearch.com
Wed Dec 18 15:40:57 PST 2002


The broadcom cards should support it.  Make sure your switches support
jumbo frames as well though.  Many don't.

Vann

On Wed, 2002-12-18 at 17:28, Greg Lindahl wrote:
> On Wed, Dec 18, 2002 at 01:00:11PM -0500, Jeff Layton wrote:
> 
> >    Just to be sure, if we are running jobs on this cluster, ALL of
> > the nodes have to have a MTU of 9000 (I found that wasn't set
> > correctly). Anything thing else I should check? (we're having
> > MPI jobs fail after we switched all of the nodes to jumbo
> > frames).
> 
> Try ping with an 8000 byte packet. If both sides don't agree on the
> MTU, you'll see 100% lossage.
> 
> greg
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