Linux Ethernet Bridging - Feb 2016 - [Bridge] Help with Ubuntu + bridge + tap + qemu + Windows

oops. Wrong machine. The uname -a really is

Linux server2 3.16.0-59-generic #79~14.04.1-Ubuntu SMP Mon Jan 18 15:41:27 UTC
2016 x86_64 x86_64 x86_64 GNU/Linux

David Logan


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On Mon, 1 Feb 2016 13:04:48 -0700
David Logan <djlogan2.dl at gmail.com> wrote:
> oops. Wrong machine. The uname -a really is
> 
> Linux server2 3.16.0-59-generic #79~14.04.1-Ubuntu SMP Mon Jan 18 15:41:27
UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
> 
> David Logan
> 
> 
I suspect you have a loop and STP is detecting that the STP packets being sent
out one of the ports on the bridge are showing back up on another port on the
bridge.

The way bridging works you need to make each port on the bridge is a separate L2
domain;
otherwise you create a loop.