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 ?
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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.
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