storm-control not working

Unanswered Question
Feb 7th, 2007

We have a lot of 3550 switches in our network. On the FastEthernet ports we have configured broadcast control like this:

storm-control broadcast level 2.00

In my opinion this should limit all broadcast traffic to 2% of the interface speed, which is 100 Mpbs. Still, we had a broadcast storm today from one of these ports, and it looked like this:

5 minute input rate 17659000 bits/sec, 23305 packets/sec

This was all broadcast-traffic, and while testing the traffic raised close to 100Mbps. The storm-control command seems to do nothing at all.

Do any of you know what could be wrong?

Kind regards,

Thomas V?dahl

NTE Bredb?nd AS

I have this problem too.
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Thomas Vådahl Sun, 02/11/2007 - 15:32

Hi,

The output is this:

R-s-s01#show storm-control fa0/3

Interface Filter State Upper Lower Current

--------- ------------- ----------- ----------- -----------

Fa0/3 Forwarding 2.00% 2.00% 0.00%

Everything seems to be in order, but it's definitively not...

-Thomas

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