High Utilization on MS TCP loopback interface?

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Nov 4th, 2007
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Hi Experts,

I been receiving high utilization on my Cisco 3825 gateway (Version 12.3(11r)T2) on TCP loopback interface. Sometimes, it even reached 100%.

Can someone give me details about it? causes? workaround? couldn't find any in the net...tnx

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AJAZ NAWAZ Sun, 11/04/2007 - 21:56
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If you can post the config as attachment it will be appreciated. Actually it's a must before we can even think of what the root cause may be.

Bye for now.


redrobish Thu, 12/06/2007 - 18:15
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Sorry to be misleading.

The high utilization occurs at the CM Pubs not on the the router.


Alert: Receive Percent Utilization of CallManager-MS TCP Loopback interface is 91 %.

Current traffic load of this interface is Received : 9 Mbps

Transmitted : 9 Mbps


Any idea where to look at?



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