[nsp] Span on multiple switches

[rpcbind at speakeasy.net]

You'll need to be more selective than 'all traffic on all switches', but you 
can get what you want w/ RSPAN:

http://www.cisco.com/en/US/products/hw/switches/ps708/products_configuration_guide_chapter09186a008007fb25.html

(docs are for 6000's, but "new or big" switches, ie 4000, 2950, 3550 and 
others support it).


On Mon, 16 Dec 2002, Tim Devries wrote:

> Hello,
> 
> A quick question regarding span:  I have multiple switches trunked together,
> say  a---b---c---d---e.
> If I have multiple vlans configured on the switches, but I am trunking them
> all the way through my network, how could I configure monitoring
> on switch E to recieve all traffic from all switches?  I was thinking I
> could monitor everything on each switch, and then set the monitor port as
> the trunk port.
> My concern then is with overloading the trunk.  Is there a standard way to
> do this?  Appreciate any advice.
> 
> Thanks,
> 
> Tim
> 
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