seeing router traffic

Unanswered Question
Feb 1st, 2007

IS there a command to track router traffic. I don't need to see what interfaces are up, or connected. But just to verify that traffic is indead passing across router.

I have this problem too.
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Collin Clark Fri, 02/02/2007 - 07:44

Check out NBAR too. If you just need to verify traffic is passing look at ip accounting, or show interface.

HTH and please rate

tapp30316 Fri, 02/02/2007 - 09:49

with using the show interface its set to 5 mins. Is there a way I can increase the time or clear it so I can review the interface again from scratch

Collin Clark Fri, 02/02/2007 - 09:52

You can clear the counters with the following command.

clear counter

Example:

SWI4506-1#clear counters gigabitEthernet 2/6

Clear "show interface" counters on this interface [confirm]

SWI4506-1#

HTH and please rate

sundar.palaniappan Sat, 02/03/2007 - 09:04

Antonio,

There are many ways to check whether traffic is passing through an interface as explained by previous posters. Looking at the interface statistics which would display 5 min input/output rate is one way to check it. I understand your concern that this isn't the closest to real time traffic. The IOS does allow you to lower the display interval to as low as 30 seconds and this is the closest you can get to real time traffic. The command to set the interval to 30 seconds is 'load-interval 30' under the interface mode.

HTH

Sundar

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