Re: OSPF Virtual Links and PPPoFR

What do your areas look like?

 - what is the area between hub and spoke 1
 - what is the area between hub and spoke 2
 - Do you have any other areas configured for something like loopbacks?

On Wed, Jul 15, 2009 at 6:09 PM, Victor <cisco.all.stuff_at_gmail.com> wrote:

> Understand.... the initial config is with the default interface type
> (point-to-point for PPPoFR) in this case I can't have the VL up between the
> hub and one spoke (spoke has the area 0) but I can have up the VL between
> both spokes. After changing the config (interfaces ospf type point to
> multipoint) both VL come up. My question is: if the interfaces type in the
> first case are equal / compatible, why the VL does not come up between
> hub-spoke?? I think it may be simple but I'm missing it.
>
> Thanks & Brgds..... Victor.
>
> On 7/15/09, Joe Astorino <jastorino_at_ipexpert.com> wrote:
>>
>> I'm confused about your question now -- Can you please re-word that? What
>> was the "original configuration" and what is the configuration now? In
>> general, the OSPF network types should match. You can get away with
>> mismatches in some cases by tweaking timers, but I wouldn't recommend it
>> unless you need to for a task.
>>
>> On Wed, Jul 15, 2009 at 4:48 PM, Victor <cisco.all.stuff_at_gmail.com>wrote:
>>
>>> Sorry...... a clarification when I said: "by default the ospf network
>>> type for FR multipoint subinterfaces is multipoint non_broadcast".... I
>>> really meant non_broadcast..... by mistake I repeated multipoint.
>>>
>>> Brgds.......Victor.
>>>
>>>
>>> On 7/15/09, Victor <cisco.all.stuff_at_gmail.com> wrote:
>>>>
>>>> Thank you very much Brian and Joe,
>>>>
>>>> That was the point...... now I have this working, I changed the network
>>>> type to point-to-multipoint, however I couldn't understand well what's
>>>> happening. Well....by default the ospf network type for FR multipoint
>>>> subinterfaces is multipoint non_broadcast and the ospf network type when
>>>> using PPPoFR is poin-to-point (Virtual Access) but all the interfaces have
>>>> the same network type, should not they work??
>>>>
>>>> So, with the initial config they became neighbors but the Virtual Link
>>>> do not comes up, after I changed to p-t-m it's working
>>>>
>>>> Sorry if I'm asking and stupidity but I've been searching on the Cisco
>>>> docs and I didn't find much information about these details.
>>>>
>>>> Could you pls add some other information on this issue?? Thanks again
>>>> for your help
>>>>
>>>>
>>>> Cheers.... Victor.
>>>>
>>>> On 7/15/09, Brian Dennis <bdennis_at_internetworkexpert.com> wrote:
>>>>>
>>>>> Victor,
>>>>> Did you check to see what the OSPF network type is on the hub's
>>>>> interface when using standard FR and then when using PPPoFR?
>>>>>
>>>>> Brian Dennis, CCIEx5 #2210 (R&S/ISP-Dial/Security/SP/Voice)
>>>>> bdennis_at_internetworkexpert.com
>>>>>
>>>>> Internetwork Expert, Inc.
>>>>> http://www.InternetworkExpert.com <http://www.internetworkexpert.com/>
>>>>> Toll Free: 877-224-8987 x 703
>>>>> Outside US: 775-826-4344 x 703
>>>>>
>>>>> ----- Original Message -----
>>>>> From: "Victor" <cisco.all.stuff_at_gmail.com>
>>>>> Sent: Tue, July 14, 2009 19:39
>>>>> Subject:OSPF Virtual Links and PPPoFR
>>>>>
>>>>>
>>>>> Hello Guys,
>>>>> I've been trying to get running OSPF Virtual Links over a 3 routers
>>>>> topology
>>>>> 1 hub + 2 spokes using PPPoFR for connecting between them, where one of
>>>>> the
>>>>> spokes is the backbone and I have some Loopbacks created on each router
>>>>> on
>>>>> different areas, so finally I only can get running the Virtual Link
>>>>> going
>>>>> from spoke to spoke but NEVER the VL between the hub to the spoke (area
>>>>> 0).
>>>>> I changed the PPPoFR config and used only FR and everything works OK,
>>>>> when I
>>>>> try to use PPPoFR (no changes in OSPF config) I get the same problem.
>>>>>
>>>>> I'm sure I'm missing something..... do you have any suggestion??
>>>>>
>>>>> Regards.... Victor.
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ----- End of original message -----
>>>>>
>>>>>
>>>>
>>>
>>>
>>
>>
>>
>> --
>> Regards,
>>
>> Joe Astorino - CCIE #24347 R&S
>> Technical Instructor - IPexpert, Inc.
>> Cell: +1.586.212.6107
>> Fax: +1.810.454.0130
>> Mailto: jastorino_at_ipexpert.com
>>
>
>

-- 
Regards,
Joe Astorino - CCIE #24347 R&S
Technical Instructor - IPexpert, Inc.
Cell: +1.586.212.6107
Fax: +1.810.454.0130
Mailto:  jastorino_at_ipexpert.com
Blogs and organic groups at http://www.ccie.net