vlan double tagging
brooks at one-eyed-alien.net
Fri Dec 17 15:22:08 PST 2004
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.
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4
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