Re: 3 OSPF non-zero areas

Sorry what i meant to say was:

You can create a virtual link to extend area 0 to area 4, and then create a
2nd virtual link to extend area 0 (which was extended to area 4) to area 5.

2009/5/6 Roy Waterman <roy.waterman_at_gmail.com>

> Hi Anantha
> You can create a virtual link to extend area 0 to area 4, and then create a
> 2nd virtual link to extend area4 to area 5.
>
>
> 2009/5/6 Anantha Subramanian Natarajan <anantha.natarajan_at_gravitant.com>
>
> Hi All,
>>
>> Is it possible to run OSPF when there are three OSPF areas as shown below
>> and none of them is not a area 0.
>>
>> R1 --ospf area3 --R2 ---ospf area4 ---R3 ----ospf area5 --R4
>>
>> My understanding is that, virtual-link would be only useful when to join a
>> non-zero area to connect to area0 which is seperated by another
>> non-zero area.Also the virtual links would be useful in case where area 0
>> is
>> broken in between a non-zero area.Assuming my above understanding is
>> right,I
>> am thinking the above scenario will not be able to use virtual links to
>> propagate OSPF routes among R1,R2,R3,R4.
>>
>> In this case,if I would be able to build GRE tunnel between
>> R1-R2,R2-R3,R3-R4 and run OSPF on area0 over them,In that case,will the
>> OSPF
>> routes would be able to get propagated ?
>>
>> Thanks for the help
>>
>> Regards
>> Anantha Subramanian Natarajan
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>>
>>
>>
>>
>>
>>
>>
>
>
> --
> Regards
> Roy
>

-- 
Regards
Roy
Blogs and organic groups at http://www.ccie.net