Re: IPv6 Dual Stacking question

Paul,

1. loopbacks are ldp router-id's <mpls ldp router-id loopback0>
reachability obtained from PE's
2. Mask's are /32
3. Loopback's have ip ospf network point-point on them.

I just want to make sure I am not missing something very basic

Thanks

On 5/7/11, Paul Negron <negron.paul_at_gmail.com> wrote:
> Just the LDP tunnel.
>
> The reason why I asked was....... Did you make sure that:
>
> 1. the loopbacks were the MPLS ldp router-id9s? (not required but you
> should have ip reachability to the mpls ldp router-id)
> 2. Did you ensure that the loopbacks are /32 masks
> 3. the loopback interfaces have the 3ip ospf network point-to-point2 command
> configured under them?
>
> I would check those first before proceeding as those could defibnately
> affect the Data Plane Forwarding.
>
> Paul
> --
> Paul Negron
> CCIE# 14856 CCSI# 22752
> Senior Technical Instructor
> www.micronicstraining.com
>
>
>
>
> From: Bryan Stair <uptown.ccie_at_gmail.com>
> Date: Sat, 7 May 2011 19:08:06 -0400
> To: Paul Negron <negron.paul_at_gmail.com>
> Cc: <ccielab_at_groupstudy.com>
> Subject: Re: IPv6 Dual Stacking question
>
> OSPF....I set it up exactly the way Marko posted it. OSPF core dual stack at
> the edge running 6PE. My home lab was already up so I used frame at the edge
> and ethernet in the core. I can see the routes in the table, but ping won't
> work. The documentation said IPv6 ICMP control message will not work. My
> question simply is do I need to setup any type of tunnel to get it working.
>
> On Sat, May 7, 2011 at 6:24 PM, Paul Negron <negron.paul_at_gmail.com> wrote:
>> What r u using for the core IGP?
>>
>> Paul
>> --
>> Paul Negron
>> CCIE# 14856 CCSI# 22752
>> Senior Technical Instructor
>> www.micronicstraining.com <http://www.micronicstraining.com>
>>
>>
>>
>>> > From: Bryan Stair <uptown.ccie_at_gmail.com>
>>> > Reply-To: Bryan Stair <uptown.ccie_at_gmail.com>
>>> > Date: Sat, 7 May 2011 09:12:55 -0400
>>> > To: <ccielab_at_groupstudy.com>
>>> > Subject: Fwd: IPv6 Dual Stacking question
>>> >
>>> > question never made it to the list
>>> >
>>> > ---------- Forwarded message ----------
>>> > From: Bryan Stair <uptown.ccie_at_gmail.com>
>>> > Date: Fri, May 6, 2011 at 9:57 AM
>>> > Subject: Re: IPv6 Dual Stacking question
>>> > To: Marko Milivojevic <markom_at_ipexpert.com>
>>> > Cc: Juan <fferrer10_at_gmail.com>, "ccielab_at_groupstudy.com" <
>>> > ccielab_at_groupstudy.com>
>>> >
>>> >
>>> > Marko,
>>> >
>>> > I have one question please forgive me if I seem like a novice. I read
>>> > up on
>>> > the technology which I believe is 6PE, second I followed your setup
>>> scenario
>>> > posted on your blog. However I was not allowed to ping from IPv6 CE to
>>> > CE
>>> of
>>> > course it worked from PE to CE. In reading the Cisco docs one caveat
>>> > was
>>> > IPv6 ICMP control message will not be passed at the edge. Is this the
>>> > case
>>> > or have I missed something? One thing I failed to mentioned was I set
>>> > this
>>> > up over Frame just to see what would happen.
>>> >
>>> > On Wed, Apr 27, 2011 at 6:04 AM, Marko Milivojevic
>>> <markom_at_ipexpert.com>wrote:
>>> >
>>>> >> You've seen the configuration :-). Other than LSPs, are there any
>>>> >> tunnels
>>>> >> configured? :-)
>>>> >>
>>>> >> --
>>>> >> Marko Milivojevic - CCIE #18427
>>>> >> Senior Technical Instructor - IPexpert
>>>> >>
>>>> >> Free CCIE Training: http://bit.ly/vLecture
>>>> >>
>>>> >> Mailto: markom_at_ipexpert.com
>>>> >> Telephone: +1.810.326.1444 <tel:%2B1.810.326.1444>
>>>> >> Community: http://www.ipexpert.com/communities
>>>> >>
>>>> >> :: Sent from my phone. Apologies for errors and brevity. ::
>>>> >>
>>>> >>
>>>> >> On Apr 27, 2011, at 1:11, Juan <fferrer10_at_gmail.com> wrote:
>>>> >>
>>>>> >>> Many thanks Marko...
>>>>> >>>
>>>>> >>> Anyway, i have some doubts... If you configure dual stacking at the
>>>>> >>> CEs
>>>> >> you
>>>> >> have on the ends of the ipv4....do you need to have a tunnel between
>>>> >> the
>>>> >> PEs
>>>> >> to permit the ipv6 prefixes to pass the ipv4 core?
>>>>> >>>
>>>>> >>> Best Regards
>>>>> >>>
>>>>> >>>
>>>>> >>>
>>>>> >>>
>>>>> >>>
>>>>> >>> 2011/4/26 Marko Milivojevic <markom_at_ipexpert.com>
>>>>> >>> You can use the same session with multiple address families - "ipv4
>>>>> >>> unicast" and "ipv6 unicast". Just to give you an example of this,
>>>>> >>> you
>>>>> >>> can read the short blog I wrote on the subject couple of years ago:
>>>>> >>>
>>>>> >>> http://blog.ipexpert.com/2010/06/09/ipv6-in-carrier-networks/
>>>>> >>>
>>>>> >>>
>>>>> >>> --
>>>>> >>> Marko Milivojevic - CCIE #18427
>>>>> >>> Senior Technical Instructor - IPexpert
>>>>> >>>
>>>>> >>> FREE CCIE training: http://bit.ly/vLecture
>>>>> >>>
>>>>> >>> Mailto: markom_at_ipexpert.com
>>>>> >>> Telephone: +1.810.326.1444 <tel:%2B1.810.326.1444>
>>>>> >>> Web: http://www.ipexpert.com/
>>>>> >>>
>>>>> >>> Disclaimer: Opinions expressed in this message are mine and my only
>>>>> >>> and not the official or unofficial opinion of, or affiliated with
>>>>> >>> IPexpert and its owners in any way.
>>>>> >>>
>>>>> >>>
>>>>> >>> On Tue, Apr 26, 2011 at 12:34, <fferrer10_at_gmail.com> wrote:
>>>>>> >>>> Hi guys,
>>>>>> >>>>
>>>>>> >>>> Can you provide some help about how to pass with the same bgp
>>>>>> >>>> session
>>>> >> IPv4
>>>> >> &
>>>>>> >>>> IPv6 prefixes through an IPv4 Mpls network? I read something
>>>>>> >>>> about
> the
>>>> >> ipv6
>>>>>> >>>> dual stacking capability of Cisco routers, but i am not sure if
>>>>>> >>>> you
> can
>>>> >> have a
>>>>>> >>>> bgp session passing the 2 types of prefixes at the same time
>>>>>> >>>> (suppose
>>>> >> we
>>>> >> need
>>>>>> >>>> to comunicate 2 mixed environments, with ipv4 & ipv6 hosts at
>>>>>> >>>> both
>>>> >> ends)
>>>>>> >>>>
>>>>>> >>>> TIA and best regards.
>>>>>> >>>>
>>>>>> >>>>
>>>>>> >>>> Blogs and organic groups at http://www.ccie.net
>>>>>> >>>>
>>>>>> >>>>
>>>>>> _______________________________________________________________________
>>>>>> >>>> Subscription information may be found at:
>>>>>> >>>> http://www.groupstudy.com/list/CCIELab.html
>>>>>> >>>>
>>>>>> >>>>
>>>>>> >>>>
>>>>>> >>>>
>>>>>> >>>>
>>>>>> >>>>
>>>>>> >>>>
>>>>>> >>>>
>>>>> >>>
>>>>> >>>
>>>>> >>>
>>>>> >>> --
>>>>> >>> Juan Faure
>>>> >>
>>>> >>
>>>> >> Blogs and organic groups at http://www.ccie.net
>>>> >>
>>>> >> _______________________________________________________________________
>>>> >> Subscription information may be found at:
>>>> >> http://www.groupstudy.com/list/CCIELab.html
>>> >
>>> >
>>> > Blogs and organic groups at http://www.ccie.net
>>> >
>>> > _______________________________________________________________________
>>> > Subscription information may be found at:
>>> > http://www.groupstudy.com/list/CCIELab.html

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Received on Sun May 08 2011 - 11:11:21 ART