Tag Archives: monitor

cisco howto monitoring

For monitoring port 2 on 3 do:

Switch (config)# monitor session 1 source interface fa0/2
Switch (config)# monitor session 1 destination interface fa0/3
Switch (config)# interface fa0/3
Switch (config)# shutdown
Switch (config)# no shutdown

For monitoring vlan33 on port 3 do:

Switch (config)# monitor session 1 source vlan 33
Switch (config)# monitor session 1 destination interface fa0/3
Switch (config)# interface fa0/3
Switch (config)# shutdown
Switch (config)# no shutdown

Port 3 will be switch to monitor mode.