Re: MDT

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Content preview: Thank you for the reply. One more question what role do the
   RT play here for these tunnels? thanks On Mon, Dec 20, 2010 at 9:13 PM, Marko
   Milivojevic wrote: > Try running "show derived-config interface tunnel0".
   Tunnels that are > created are not static in nature and are therefore not
   present in the > "running-configuration". You can still see how they were
   dynamically > configured using the command above. > > Tunnels are multipoint
   GRE and have the destination address of the MDT > default group. Each PE
  interested in receiving traffic for that group > will join the group - that's
   how they attract the traffic and make > tunnels come up. > > -- > Marko Milivojevic
   - CCIE #18427 > Senior Technical Instructor - IPexpert > > FREE CCIE training:
   http://bit.ly/vLecture > > Mailto: markom@ipexpert.com > Telephone: +1.810.326.1444
> Web: http://www.ipexpert.com/ > > On Mon, Dec 20, 2010 at 05:43, Aamir
  Aziz wrote: >> Dear *, >> >> I have a basic question about MDT. So when we
   issue the command on a >> PE mdt default x.x.x.x under ip vrf the routers
   creates a tunnel based >> on lo0 and tunnel comes up. On the other end PE
   the same thing happen >> and multicast (vrf) traffic goes via this tunnel.
   The question is when >> i do sh run tunnel 0 i dont see any configuration
   so how did the >> tunnel come up and how does the router know how to reach
   the other >> end? >> >> Thanks, >> Aamir >> >> >> 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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Date: Tue, 21 Dec 2010 12:50:27 +0400
Message-ID: <AANLkTimghQceeiDbO+DqF0_s-omJkham4RbvXE2iNJ25_at_mail.gmail.com>
Subject: Re: MDT
From: Aamir Aziz <aamiraz77_at_gmail.com>
To: Cisco certification <ccielab_at_groupstudy.com>
Content-Type: text/plain; charset=ISO-8859-1

Thank you for the reply. One more question what role do the RT play
here for these tunnels?

thanks

On Mon, Dec 20, 2010 at 9:13 PM, Marko Milivojevic <markom_at_ipexpert.com> wrote:
> Try running "show derived-config interface tunnel0". Tunnels that are
> created are not static in nature and are therefore not present in the
> "running-configuration". You can still see how they were dynamically
> configured using the command above.
>
> Tunnels are multipoint GRE and have the destination address of the MDT
> default group. Each PE interested in receiving traffic for that group
> will join the group - that's how they attract the traffic and make
> tunnels come up.
>
> --
> 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
> Web: http://www.ipexpert.com/
>
> On Mon, Dec 20, 2010 at 05:43, Aamir Aziz <aamiraz77_at_gmail.com> wrote:
>> Dear *,
>>
>> I have a basic question about MDT. So when we issue the command on a
>> PE mdt default x.x.x.x under ip vrf the routers creates a tunnel based
>> on lo0 and tunnel comes up. On the other end PE the same thing happen
>> and multicast (vrf) traffic goes via this tunnel. The question is when
>> i do sh run tunnel 0 i dont see any configuration so how did the
>> tunnel come up and how does the router know how to reach the other
>> end?
>>
>> Thanks,
>> Aamir
>>
>>
>> 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
Received on Tue Dec 21 2010 - 12:50:27 ART