Date: Thu, 28 May 2009 21:07:33 +0200 From: Jedrzej Kalinowski <kalinoj1@iem.pw.edu.pl> To: freebsd-net@freebsd.org Subject: Bridging and stp question Message-ID: <4A1EE0F5.1070909@iem.pw.edu.pl>
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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? Best regards. -- Jedrzej Kalinowski
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