On Wed, 24 Jan 2007 10:46:48 -0800 "Jake Farrell" <jake at amperion.com> wrote: > The setup is as follows > > ixp4xx #1: br0 (eth0, eth1, ath0, ath1) STP enabled > | | > | | > | | > 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 There haven't been a huge number of bridge changes, perhaps STP got broken. Git bisect to a particular changeset would help -- Stephen Hemminger <shemminger at linux-foundation.org>
