[c-nsp] Differences between 3750-E and 3560-E switches

[Marian Ďurkovič]

On Wed, 20 Jan 2010 10:17:39 -0600, Jeff Bacon wrote
> > > I've read through the data sheets, and I also can't see any
> signficant
> > > differences. I was wondering if there was some hardware differences
> (like
> > > CAM table size, ethernet input/output buffer sizes), etc...
> 
> Is the packet buffering on the -Es significantly better than on the
> non-Es? It would seem that the buffering capabilities of a non-E are at
> best limited, based on my experience - granted we have bursty server
> loads that we were attempting to condense down into 4-port
> etherchannels, but I would have expected the 3560Gs to do better than
> they did.

In fact, 3560Es perform worse in the default configuration than 3560Gs.
Buffers might be tweaked via mls qos commands, but still, the buffering
is insufficient - have a look at: 

http://puck.nether.net/pipermail/cisco-nsp/2009-March/058758.html

    M.