The setup is as follows
ixp4xx #1: br0 (eth0, eth1, ath0, ath1) STP enabled
| |
| |
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ixp4xx #2: br0 (eth0, eth1, ath0, ath1) STP enabled
with 2.6.16 one of the interfaces goes to blocking and the other is left to forward. In 2.6.18 the interfaces always stay forwarding.
Jake
>
> Recently ran into a problem with the 2.6.18 kernel on Xscale arch when
> a bridge, with multiple interfaces on it, is configured with a
> redundant loop. All interfaces are left on forwarding and nexer switch
> to block when the loop is introduced. This was tested against a 2.6.16
> kernel and the problem did not occur, interfaces forwared and blocked
> correctly. Any help would be appreciated.
>
Since you haven't give much detail on your setup (is stp enabled on both
bridges, for example), I'm not 100% clear what may be happening. But it
does sound like something I ran into before.
See my post, and Stephen's reply:
http://lists.osdl.org/pipermail/bridge/2006-December/001573.html
Cam
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