Bridging and stp question

[pluknet]

2009/5/28 Jedrzej Kalinowski <kalinoj1 at iem.pw.edu.pl>:
> Hello,
>
> I'm using a bridge to connect tap devices used by qemu emulator to an
> outside world.
>
> I run into a bit of problem however, because if I feed qemu virtual
> machine with two tap interfaces - I need to turn on stp on them when
> adding to a bridge to prevent a loop .
>
> This is probably due to improper qemu behaviour as I suppose, because I
> does not happen when I run two qemu machines with each of them getting
> one tap device.
>
> As we know from 'man ifconfig' the default behaviour for the interface
> added to a bridge is to add it with stp protocol disabled and I have to
> specify stp explicitly.
>
> My question is:
>
> Is there any way to configure the bridge to add stp protocol to any
> added (via ifconfig bridgeX addm ifX) member interface - so to change
> the default behaviour? Or specifying it explicitly is unavoidable?
>

Let me clarify some. Did I understand you correctly
that `ifconfig bridge0 addm ifX stp ifX` doesn't fit you needs?

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