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Cisco Switch 2960S

2 years ago
OfflinePhoto of Daniel Vogel
Daniel Vogel

I have a few of these swithces in our enviroment and was wondering about highlighted number below. What is it? Can it be used to trace back to a partiucular IP or MAC? Can it help in identifing the user that is on that port. Basically I need to know who it is so I can see who is killing the bandwidth at my locations. Any help would be greatly appreciated.Thanks!

 

 

CIsco 2960S.gif

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OfflinePhoto of Willem de Groot Willem de Groot said 2 years ago

Hi Daniel,

These are the Interface Numbers from Cisco.
These Int's are from the first Stack Member((Member# -1) * 500) , is a Gigabit Interface(+100)  and has Index 15 (+15) -> 10115
the next member Gi 2/0/15 has 10615, Gi 3/0/15 -> 11115 ...
Fa Interfaces have a Index of 100 less than the above.

Do a Mib Walk on  1.3.6.1.2.1.2.2.1 and you will see your Interfaces and there Indexi.

At least yoiu know by now with Interface is in volve. On the Cisco CLI you can do a show cdp neighb or a show mac-addresstabel to get more Information (or maybe you have set the Descriptions of the ports)

Willem


OfflinePhoto of WhatsUp Guru (Jason Williams) WhatsUp Guru (Jason Williams) said 2 years ago

Moved to the appropriate forum.


OfflinePhoto of Michael Haskins Michael Haskins said 2 years ago

The Cisco CLI command "sho snmp mib ifmib ifindex" will also show you the interface and it's index number. Unfortuantely, the output appears random.

You can add "| include" plus the index number to the command so you aren't searching the output: "sho snmp mib ifmib ifindex | include 10115"


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Posted By:
Daniel Vogel
 
August 2, 2012

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