Date: Mon, 03 Sep 2007 22:21:20 +0100 From: Tom Judge <tom@tomjudge.com> To: Andrew Thompson <thompsa@FreeBSD.org> Cc: net@freebsd.org Subject: Re: If_bridge and MST Message-ID: <46DC7AD0.4080800@tomjudge.com> In-Reply-To: <20070903173435.GA9902@heff.fud.org.nz> References: <46DC081F.6010203@tomjudge.com> <20070903173435.GA9902@heff.fud.org.nz>
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Andrew Thompson wrote: > On Mon, Sep 03, 2007 at 02:11:59PM +0100, Tom Judge wrote: >> Hi, >> >> I was wondering if if_bridge had been taught how to speak multiple >> instance spanning tree? > > Not yet. I havnt started it yet and I do not know of anyone else working > on it. > > > Andrew While playing with if_bridge today and a pair of Dell PowerConnect 5324's (with the recent upgrade to MSTP) I noticed that it did not seem to be possible to enable STP on if_vlan bridge members. This would seem to be correct as transmitting STP frames tagged with VLAN_ID would seem to break the spec and fall into the realm of cisco PVST. However should if_bridge be taught that the vlandev should be used for collection and transmission spanning tree in this scenario or should if_vlan be taught to copy untagged [R]STP frames onto the vlan interface? Tom
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