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From: Bartosz Gagat on 16 Jan 2008 11:59
802.1q vlans works on Layer2. Gre works on Layer 3. You need special
technique to encapsulate L2 information in Layer3 packets. So- use
pseudowire or another encapsulation (l2vpn) technique.
Bartosz Gagat

"Xavier Veral" <xaviveral(a)hotmail.com> wrote in message
news:25bb87d8-8970-4328-9f70-081380d28c28(a)i3g2000hsf.googlegroups.com...
On 15 ene, 09:41, alexd <troffa...(a)hotmail.com> wrote:
> On Mon, 14 Jan 2008 23:58:36 -0800, CK wrote:
> > On Jan 14, 7:51 pm, Xavier Veral <xavive...(a)hotmail.com> wrote:
> >> Hi!
>
> >> Is it possible to use a GRE tunnel to connect 2 switches in diferent
> >> locations with the same vlan?
> > If the both Switches are in same Vlan then hey must interact with each
> > other without and problem. Why you need GRE tunneling in this scenerio.
>
> > May be i am not clear about the asked question.
>
> Presumably the two locations that the OP is connecting with a GRE tunnel
> aren't linked together with a protocol that supports VLANs natively.
>
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yes, exactly thats the case; i have both offices linked using
encrypted gre tunneling (vti interface) and need to access on vlan on
office 1 from office 2.

I need to make something like, lets say a subinterface on the tunel
that connects both switches and vlan.

Im not sure if i explain the idea correctly :-)

thanks


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