SMC 8624T 24-port 10/100/1000 switch

Bob Drzyzgula bob at drzyzgula.org
Tue Nov 12 20:37:44 EST 2002


In the case of the HP 24-port unmanaged switch,
the manual is online but does not mention jumbo
frames. In that case, however, it is possible that
the only reason that it doesn't support them is
that they provide no way to enable or disable
them.

For the Dell the problem is in part that they don't
have real manuals easily accesible online. They
may or they may not.

We do have a definate yes jumbo for the SMC, at 9KB in
fact, so this adds further credence to the speculation.
that they are using the Broadcom. 

I think it would be great if people who have these
boxes to pop them open and look at what chips are
inside, and then let us know...

--Bob

On Tue, Nov 12, 2002 at 04:10:37PM -0800, Trent Piepho wrote:
> 
> On Tue, 12 Nov 2002, Bob Drzyzgula wrote:
> > I don't know for sure, but it seems likely that most of these
> > are using either the Broadcom StrataXGS chips or the Marvell
> > Prestera-EX/FX chips, and at that I'd guess it was more likey the
> > former.
> > 
> > The Broadcom chipset includes an 80Gbps fabric with four
> > 10Gbps ports, and a 12-port 1Gbps switch with a 10Gbps uplink.
> 
> It's interesting to note that the broadcom chips support jumbo frames up to
> 9K.  I wonder why the HP, dell, netgear, etc.  switches don't seem to support
> jumbo frames?  Maybe they do support them?  I think I saw one person with a
> definitve no jumbo for the netgear GS524, but everything else appears to just
> be guessing.
> 
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