05-05-2009 05:44 AM - edited 03-06-2019 05:32 AM
I am trying to setup RSPAN between 3 switches. I am trying to SPAN all traffic from switch A and Switch B to a port on Switch C. The port on switch C is attatched to a server running some monitoring software.
Currently I am not getting any traffic out of the monitoring port. I am sure it is a setup error on my part. I looked over all of the how to's I could find and as far as I can tell I should be good to go. I would be greatful if someone can look at the config below and set me strait.
Switch A
!
vlan 12
remote-span
!
!
monitor session 1 source vlan 65
monitor session 1 destination remote vlan 12
!
Switch B
!
vlan 12
remote-span
!
monitor session 1 source vlan 65
monitor session 1 destination remote vlan 12
!
Switch C
!
!
vlan 12,25,45,55,65,172
!
monitor session 1 destination interface Gi3/12
monitor session 1 source remote vlan 12
!
interface GigabitEthernet3/12
description To Monitoring Server
switchport
switchport access vlan 12
switchport mode access
speed 1000
duplex full
Adapter on server plugged into port g3/12
IP 10.12.1.5/24
no default gateway configured
05-05-2009 05:48 AM
Hello Jeremy,
I think you need to add
vlan 12
remote-span
also on SwitchC: all switches must be aware that vlan12 is a special remote span vlan
see
Hope to help
Giuseppe
05-05-2009 06:14 AM
I had it on there earlier and just put it back, but it does not seem to make a difference either way. I will leave it in there though.
Any other sugestions?
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