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I started to study networking and I have two cisco switches, and I want generate broadcast storm to test Spanning Tree, How do I do?
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I started to study networking and I have two cisco switches, and I want generate broadcast storm to test Spanning Tree, How do I do?
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for gnu ping
ping -b -f <bcast addr>
This will flood ping the broadcast address however you must be the superuser to do so ( aka root ). In my very limited test sending 2 packets generated over 183 responses so make sure you do not do this on a production network for long.
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you can do it easily just disable spaning make loop , connect the tow switches using tow cables , and through console go to the ports which you connect to and disable apaning tree :
from switch console conf t
interface fastethernet (interface number)
spanin portfast
repeat this on all the ports connected between switchs , and switch will hang when connect your pc on any port
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Ok, but, how Do I organize copper connections? look how it was: http://imageshack.us/photo/my-images/823/ciscow.jpg
– marcello – 2012-02-14T22:45:17.157I'd hook up a few client machines to the switches and boot them with a linux live cd. Should cause the effects you are looking for. – Lamar B – 2012-02-14T22:56:03.990
Adding a third switch may also help connected A to B, B to C, and C to A. May not be necessary though. – Lamar B – 2012-02-14T22:58:47.010