Date: Sat, 18 Dec 2004 19:10:51 +1030 From: "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au> To: freebsd-net@freebsd.org, Donatas <donatas@lrtc.net> Subject: Re: vlan double tagging Message-ID: <20041218084048.GA54243@squash.dsto.defence.gov.au> In-Reply-To: <20041218081627.GA54494@scylla.towardex.com> References: <005801c4e42a$a1825890$9f90a8c0@donatas> <20041217223519.GB27607@odin.ac.hmc.edu> <20041217230349.GA15905@ack.Berkeley.EDU> <20041218081627.GA54494@scylla.towardex.com>
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0n Sat, Dec 18, 2004 at 03:16:27AM -0500, James wrote:
> On Fri, Dec 17, 2004 at 03:03:49PM -0800, Mike Hunter wrote:
> > On Dec 17, "Brooks Davis" wrote:
> >
> > > On Fri, Dec 17, 2004 at 01:22:02PM +0200, Donatas wrote:
> > > > hello,
> > > > i'd like to ask if there's any possibility to pass double tagged vlan packets through freebsd 5.x routers?
> > > > and....how many level1 vlans are supported on one parent device?
> > >
> > > I don't know what happens with double tagged vlan packets.
> >
> > I think what he's asking about is whether FreeBSD prevents any of the
> > nasty hacks that can be accomplished by double-tagging frames, or if there
> > is something he can do with netgraph to prevent such badness.
>
> /me thinks he's asking for q-in-q tunneling feature.
What is 'q-in-q tunneling' ?
- aW
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