High utilization incorrectly reported on Tunnel interface

Answered Question
Sep 14th, 2009
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Hello,


I'm getting high utilization alerts on a tunnel interface. It appears that Ciscoworks thinks the line is only capable of 1 Mb/s. That only thing that seems to make sense is that Ciscoworks is getting that line speed from the bandwidth parameter on the interface, although I've only ever used the bandwidth parameter for altering routing. Before I start altering that parameter I wanted to confirm that is indeed the case.


Thanks

Correct Answer by Joe Clarke about 7 years 6 months ago

That is correct. SNMP gets the interface speed from the bandwidth statement. DFM uses ifSpeed in its utilization calculations. See this thread for more details:


http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Network%20Infrastructure&topic=Network%20Management&CommCmd=MB%3Fcmd%3Dpass_through%26location%3Doutline%40%5E1%40%40.2cd47d55/0#selected_message

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Correct Answer
Joe Clarke Mon, 09/14/2009 - 16:25
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That is correct. SNMP gets the interface speed from the bandwidth statement. DFM uses ifSpeed in its utilization calculations. See this thread for more details:


http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Network%20Infrastructure&topic=Network%20Management&CommCmd=MB%3Fcmd%3Dpass_through%26location%3Doutline%40%5E1%40%40.2cd47d55/0#selected_message

brianhill88 Mon, 09/14/2009 - 16:37
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Thank you.


Sorry, the one time I don't search the forums before I post a message is the time when someone just asked the same question 5 days ago. = )

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