From: Joseph Saad (joseph.samir.saad@gmail.com)
Date: Wed Oct 03 2007 - 01:13:14 ART
That is more of a generalization.
More precisely, the native VLAN is configured per trunk port, and the
requirement is to have the native vlan consistent at the 2 ends of each
trunk port rather than on all ports of the switch.
Joseph.
On 10/3/07, chidambaram sakthivel <sakthivelc@indiainfo.com> wrote:
>
> Hi Navid,
>
> I feel that both the switches should be configured for same native Vlan
> either 1 or 2.
> Because the untagged frames from sw1 Vlan1 will be forwarded to Vlan2 of
> sw2, it will create
> problems what you observe now.
>
> In Dot1Q encapsulation the native Vlan should be configured same on the
> switches.
>
> Thanks,
> Sakthivel.C
>
> > ----- Original Message -----
> > From: xdsgrrr <xdsgrrr@consultcommerce.com>
> > To: ccielab@groupstudy.com
> > Subject: Re: 3550 why does vlan int go down
> > Date: Tue, 02 Oct 2007 10:58:16 +0300
> >
> >
> > Check with show interface trunk and see that evrything is ok with vlan
> > 1 :)) and use show spanning-tree vlan 1 br to verify that port is in
> > forwarding state for this vlan
> > br,
> > Atanas Yankov
> > On Tue, 2007-09-25 at 11:26 +0200, Navid Daghighi wrote:
> > > Hi,
> > >
> > > In this simple example, where I configured a mismatch native vlan :
> > >
> > > sw 1 : dot1Q, native vlan = 1
> > > sw 2 : dot1Q, native vlan = 2
> > >
> > > SH IP INT BRIEF shows that :
> > > fa0/x stays up/up
> > > vlan1 goes up/down
> > >
> > > What is the logic behind this behavior ?
> > > I would have expected the fa0/x to go up/down !
> > >
> > > Thanks,
> > > Navid
> > >
> > >
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