Re: RSPAN Question

From: Eugene Ward (eward15@juno.com)
Date: Sat Nov 04 2006 - 09:20:40 ART


Ed,
Your first scenario is just a regular SPAN session, monitoring two VLANs.
For your second scenario, it depends on what you are trying to do. You would
not need the "remote" keyword unless you were trying to set up RSPAN between
two switches. So, if you were trying to set up two different SPAN sessions on
the same switch, it would look like this:
monitor session 1 source vlan 1 rx
monitor session 2 destination interface f0/24

monitor session 2 source vlan 100 rx
monitor session 2 destination interface f0/5

However, if you were trying to set up RSPAN on two switches, it would look
like this:
Switch 1

vlan 200
 remote-span
monitor session 1 source vlan 1 , 100 rx
monitor destination remote vlan 200 reflector-port f0/24

Switch 2

vlan 200
 remote-span

monitor session 2 source remote vlan 200
monitor session 2 destination interface f0/5
HTH,
Eugene
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Can somebody please explain if/whether the following are different:

monitor session 1 source vlan 1 , 100 rx
monitor session 1 destination interface f0/5

vs:

monitor session 1 source vlan 1 rx
monitor destination remote vlan 100 reflector-port f0/24

monitor session 2 source vlan 100 rx
monitor session 2 destination interface f0/5

Isn't the first scenario combining the functionality of the 2nd scenario?

Thanks,

Ed



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