Re: OSPF as CE-PE question

What happened when you labbed it out? Did it work?

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On Sat, Dec 4, 2010 at 08:04, Usha Rani <usha2bccie_at_gmail.com> wrote:
> Hi Experts,
> I have a question in OSPF as CE-PE.
>
> I understood that, if the CE to PE is non-backbone area, then we need to
> extend the backbone till the PE, so we can use either virtual-link or GRE
> tunnel.
>
> But, my question is, if both CE1-PE1 and CE2-PE2 are non-backbone areas and
> both are in different areas, do we need to extend the backbone on the both
> the CEs, one one-side is enough?
>
>
> Topo would look like this:
>
>
> B PE1--------------------PE2
> B  | B  B  B  B  B  B  B  B  B  B  B  B  B  B  B  B  |
> B  | B  B  B  B  B  B  B  B  B  B  B  B  B  B  B  B  |
> B  | B  B  B  B  B  B  B  B  B  B  B  B  B  B  B  B  |
> Area-2 B  B  B  B  B  B  B  B  B Area-3
> B  | B  B  B  B  B  B  B  B  B  B  B  B  B  B  B  B  |
> B  | B  B  B  B  B  B  B  B  B  B  B  B  B  B  B  B  |
> B  | B  B  B  B  B  B  B  B  B  B  B  B  B  B  B  B  |
> B CE1-----Area-0----CE2 B or may be some others routers in bewtween CE1 and
> CE2, that are part of Area-0.
>
>
> Thanks,
> Usha
>
>
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