Re: 3 OSPF non-zero areas

Ah I assumed he meant that R1 was connected to Area 0.
If he didn't mean that, then this is the end of my participation in this
thread :)

2009/5/6 Anthony Sequeira <asequeira_at_internetworkexpert.com>

> I think Anantha is really going "outside the box" here as he has NO area 0
> at all.
>
> It is really late for me, but I am thinking the only time we can go without
> an Area 0 in OSPF is when we only have a single area.
>
> Warmest Regards,
>
> Anthony J. Sequeira, CCIE #15626
> Senior CCIE Instructor
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>
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>
>
> On May 6, 2009, at 1:01 AM, Roy Waterman wrote:
>
> 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
>>>>
>>>>
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>>>>
>>>>
>>>>
>>>>
>>>
>>> --
>>> Regards
>>> Roy
>>>
>>>
>>
>>
>> --
>> Regards
>> Roy
>>
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-- 
Regards
Roy
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