Solved: Re: To check IP with high utilization on an interface ...

sanjaynadarajah · ‎05-07-2008

Hi,

I would like to know if there is high traffic on an interface ie) serial inteface, what is the

command to check which is the top talker/ relevant IP that is causing this high utilization on this inteface ?

Thank you,

Cheers,

- sn -

Alessandro Veras · ‎05-08-2008

If you don't have a netflow analyzer server you can use the ip route-cache flow command.

Configure the ip route-cache flow at the specific interface.

Issue the show ip cache flow command.

To see statiscs by protocol ( do not show the ip address ) configure the command ip nbar protocol-discovery on the selected interface and issue de command sh ip nbar protocol-discovery top-n;

Hope can help.

Please rate the answer.

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JORGE RODRIGUEZ · ‎05-07-2008

You could use netflow and configure top talkers.

netflow

http://www.cisco.com/en/US/products/ps6601/products_ios_protocol_group_home.html

config

http://www.cisco.com/en/US/docs/ios/12_4/netflow/configuration/guide/onf_gsg.html

free netflow collectors

http://www.cisco.com/en/US/prod/iosswrel/ps6537/ps6555/ps6601/networking_solutions_products_genericcontent0900aecd805ff72b.html

HTH

-Jorge

Jorge Rodriguez

faisal_ghaus · ‎05-07-2008

Hi

The better solution for this is Netflow but simple work around is enable

ip accounting command on the interface you will get the top talkers

Alessandro Veras · ‎05-08-2008