On Thu, 9 Dec 2010 21:44:28 +0530
Pravin Pardeshi <[email protected]> wrote:

> Hi,
> I want to have bridge for two NICs (eth0 and eth1) with Knoppix 6.2 Live CD 
> on virtualbox. I tried the following commands;
>  
> # brctl addbr br0
> # brctl sethello 30
> # brctl stp br0 off
>  
> # ifconfig eth0 0.0.0.0
> # ifconfig eth1 0.0.0.0
> # ifconfig eth0 down
> # ifconfig eth1 down
>  
> # brctl addif br0 eth0
> # brctl addif br0 eth1
>  
> After the addition of eth0 and eth1 to the bridge, the ksoftirq gets kicked 
> off and starts consuming CPU. The connection to network is lost. The CPU 
> utilization never stabilizes even after waiting for 10-15 minutes. Knoppix 
> 6.2 has kernel 2.6.32.6 and bridge-utils is the latest version from debian 
> repositories.
>  
> Firstly, am I missing something?
> Secondly, is it possible to have a setup I am attempting with the live cd? 
>  
> Thanks,
> Pravin

You probably created a network loop. And you turned STP off
so it can't be detected.

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