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bandwidth usage 100%

We are using cisco 1811 connect to ADSL2+ service in Australia. ADSL2 speed should be up to 24Mb download. When I check the monitor of interface, the usage are steadily at 100%. But check the actually download usage from the isp, the download is fairly low. When I show int dialer0, the output of 5 mins average is 599000bit/sec.

Also in traffic monitor session, more than 50% input packets is DNS.

So what makes the bandwidth usage so high? Can DNS chew up all the bandwidth?Is there a way I can check?

1 REPLY

Re: bandwidth usage 100%

hi

can you manually check the bandwidth parameter defined under the interface ?

most of the times you end up seeing the wrong counter values being displayed because of the incorrect bandwidth value set or the default value comes up with each interfaces.

regds

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