On Thu, 17 Jun 2004 20:57:23 +0200 Mark Ruijter <[EMAIL PROTECTED]> wrote:
> > 1. Link state monitoring added. > We discovered the following problem with the existing bridge code. > The code doesn't monitor the link state of the interfaces. When using > two cisco switches with two Linux bridging firewalls the following > problem exists. When the Cisco switch that has the blocking (stp) Linux > bridge attached dies, the Linux bridge no longer receives stp packets > and changes it's state from blocking to forwarding. As soon as the Cisco > switch comes back alive a loop is created in the network for a short but > long enough period of time. :-( > > To fix this I added link state monitoring to the code. This is only > active when stp is turned on. When a link fails the bridge port goes to > blocked and then to the new 'nolink' status. The bridge-utils patch > makes it possible to see the status with brctl showstp. > Could you split out the link state monitoring, and look at bonding to see how they are doing it? I have a fix for vlan code that passes MII and ethtool requests from the virtual to physical device, so the bridge code wouldn't need to the hack about root device.
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