[c-nsp] native vlan

Erdem Sener erdems at gmail.com
Sun Jun 19 11:22:23 EDT 2005


Hi,

 Although stated several times in the list, also note that if you work
on a combined environnement, other vendors like Juniper e.g dont' have
this concept of a "native" vlan and expect always tagged packets on a
trunk/vlan interface.

 Cheers,
 Erdem

On 6/1/05, sthaug at nethelp.no <sthaug at nethelp.no> wrote:
> > I've resorted to using a "dead" VLAN for the native one (with spanning
> > tree disabled)...is that a good idea?
> 
> Yes, that's a very good idea unless you specifically *want* to allow a
> mix of tagged and untagged traffic (there are scenarios where this is
> useful).
> 
> > Btw - newer IOSes/CATOSes allow to also tag the native vlan, although
> > I haven't tried that yet.
> 
> We used that a lot at my previous employer - works fine.
> 
> Steinar Haug, Nethelp consulting, sthaug at nethelp.no
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