[c-nsp] RSPAN through intermediate switch...

Gert Doering gert at greenie.muc.de
Sat Dec 3 05:16:52 EST 2011


On Fri, Dec 02, 2011 at 10:15:09PM -0500, Jeff Kell wrote:
> Is it possible to run an RSPAN vlan through (not an endpoint, just
> transport) an intermediate switch (specifically Foundry/Brocade FCX switch)?


> I would suspect that mac address learning on the switch would
> "interfere" with RSPAN, 

... because of that.  If you SPAN only TX or RX, it might work (because
the intermediate switch would not see = not learn the destination MAC
address then), but if you SPAN TX+RX, you'll see a few packets and
then nothing more.

> and I can't find a Brocade equivalent of the
> "mac-learn <interface> disable".

Can't say anything on that.

USENET is *not* the non-clickable part of WWW!
Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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