Re: Native vlan and allowed vlan

You can not allow it though, and user traffic for VLAN 1 will not be passed on the trunk. This is in the 3560 config guide

------Original Message------
From: Ali El Moussaoui
Sender: nobody_at_groupstudy.com
To: Robert Steeneken
Cc: Julio Carrasco
Cc: CCIE Groupstudy
ReplyTo: Ali El Moussaoui
Subject: Re: Native vlan and allowed vlan
Sent: Sep 1, 2009 4:18 AM

You can never prune vlan1.

On Tue, Sep 1, 2009 at 11:15 AM, Robert Steeneken <r.steeneken_at_gmail.com>wrote:

> Vlan 1 is always allowed on the trunk
>
> On Tue, Sep 1, 2009 at 10:02 AM, Julio Carrasco <julio.carrasco_at_ya.com
> >wrote:
>
> > Hi guys,
> >
> > Just one small question.
> >
> > If I leave the default native vlan (vlan 1), configured on a trunk, and I
> > issue the "switchport trunk allowed vlan 21,43",
> > Does the traffic for vlan 1 still crossing the trunk?, or is blocked by
> the
> > swithport trunk allowed vlan?
> >
> > Thanks in advance.
> > Best regards.
> >
> >
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Received on Tue Sep 01 2009 - 08:25:26 ART