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monitor session on cisco 2921

alex.dersch
Level 4
Level 4

Hello,

i have a question regarding the monitor session command. I have following interfaces on my router:

Interface                  IP-Address      OK? Method Status                Protocol
GigabitEthernet0/0         unassigned      YES NVRAM  up                    up
GigabitEthernet0/0.100     172.16.2.6      YES NVRAM  up                    up
GigabitEthernet0/0.101     172.16.18.6     YES NVRAM  up                    up
GigabitEthernet0/0.102     172.16.26.6     YES NVRAM  up                    up
GigabitEthernet0/0.103     172.16.10.6     YES NVRAM  up                    up
GigabitEthernet0/1         172.16.2.30     YES NVRAM  up                    up
GigabitEthernet0/2         172.16.18.14    YES manual up                    up
FastEthernet1/0            unassigned      YES unset  up                    up
FastEthernet1/1            unassigned      YES manual down                  down
FastEthernet1/2            unassigned      YES unset  up                    up
FastEthernet1/3

i want to monitor the traffic from the source interface Gi0/2 to the destination interface fa1/3

monitor session 1 source interface gigabitEthernet 0/2 brings this error message % Incomplete command.

monitor session 1 source interface gigabitEthernet 0/2?
/  :  <0-2>

i don't have any ports on the Gigabit Interfaces. Any ideas how to monitor traffic?

regards

alex

1 Accepted Solution

Accepted Solutions

Roman Rodichev
Level 7
Level 7

monitor session works only on switched ports on your HWIC-4ESW

Instead you want to use traffic-export feature (RITE):

http://www.cisco.com/en/US/docs/ios/12_4t/12_4t11/ht_rawip.html

View solution in original post

2 Replies 2