>I generally just use set span "source vlan" mod/port# and then plug your
>sniffer in.
>I have several switches with 200 users (10/100rj45) and 300 users (rj21)
>and receive no significant hit.
>
>You can use ps -c to check switch performance.
>
>Don't use the set span enable. Everytime I tried this, the switch needs to
>be rebooted. I haven't figured out why yet.
also remember that the the port that you are spanning to (the one with the snffer)
cannot be used as a regular network port anymore. Spanning disables that ability and
it can only be used to watch the spanned packets.
So you can't test for things on the sniffer PC.
pete
>
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