[c-nsp] Inspecting L2 traffic at 7609 port

Everton da Silva Marques everton at lab.ipaccess.diveo.net.br
Tue Nov 1 07:16:05 EST 2005


The box is a Cisco 7609 running native IOS 12.2(18)SXE2.

Is there a suitable IOS command for inspecting
MAC addresses of incoming frames at a given port?
For istance, how can I have a look at these
frames:

7609#sh int g2/18 | i t rate
  30 second input rate 5000 bits/sec, 10 packets/sec
  30 second output rate 0 bits/sec, 0 packets/sec

7609#sh ru int g2/18
Building configuration...

Current configuration : 213 bytes
!
interface GigabitEthernet2/18
 description PMP RIVERSTONE-RS3100-SPO porta et.1.2
 no ip address
 ip accounting mac-address input
 ip accounting mac-address output
 load-interval 30
 speed 100
 duplex full
end

Other than using a packet sniffer at an
external host...


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