vlan double tagging

[Mike Hunter]

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.

Mike