vlan double tagging

[Brooks Davis]

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.

My suspicion is that FreeBSD will drop the packets unless you configure
a vlan interface on the vlan interface.

-- Brooks

-- 
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