Re: Ethernet over MPLS

Hi Bryan,

mpls l2transport is old CLI (not related to any H/W and was used only for
AToM), and it is replaced by new CLI xconnect (AToM/L2TPv3/L2IW). I think in
SP lab, only xconnect will be covered.

Thanks,
Srinivas

On Fri, Jul 24, 2009 at 12:55 AM, Bryan Bartik <bbartik_at_ipexpert.com> wrote:

> Not exactly sure of the differences, but the mpls l2transport I believe is
> on the 6500s and higher end models. I don' think it can be covered on the
> software/hardware in the SP lab. Someone please correct if I am wrong.
>
> On Thu, Jul 23, 2009 at 12:34 PM, Rich Collins <nilsi2002_at_gmail.com>
> wrote:
>
> > Hi,
> >
> > Sorry but I don't have that book and was wondering about the QinQ method.
> >
> > Is the "xconnect {destination vc-id encapuluation mpls} " replacing
> > the "mpls l2transport route" or vice-versa? Which should we be
> > concerned with for the hardware/IOS on the SP exam?
> >
> > Thanks
> > Rich
> >
> >
> >
> > On Wed, Jul 22, 2009 at 4:21 PM, Bryan Bartik<bbartik_at_ipexpert.com>
> wrote:
> > > Ali,
> > >
> > > In the book "L2 VPN Architectures" you can see case study 7-5 which
> > presents
> > > a QinQ method. The access circuit on the CE is a trunk and on the PE
> side
> > it
> > > is a dot1-tunnel with an access vlan. Under the SVI for the access VLAN
> > > there is an "mpls l2transport route" command that connects to the
> > opposite
> > > PE.
> > >
> > > -hth
> > >
> > > On Wed, Jul 22, 2009 at 2:25 AM, Ali El Moussaoui <
> mousawi.ali_at_gmail.com
> > >wrote:
> > >
> > >> Hello Guys,
> > >>
> > >> How do we preserve customer VLANs over L2VPN in an MPLS network?
> > >>
> > >> Ali
> > >>
> > >>
> > >> Blogs and organic groups at http://www.ccie.net
> > >>
> > >>
> _______________________________________________________________________
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> > >
> > >
> > > --
> > > Bryan Bartik
> > > CCIE #23707 (R&S), CCNP
> > > Sr. Support Engineer - IPexpert, Inc.
> > > URL: http://www.IPexpert.com
> > >
> > >
> > > Blogs and organic groups at http://www.ccie.net
> > >
> > > _______________________________________________________________________
> > > Subscription information may be found at:
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> > >
> > >
> > >
> > >
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> > >
> >
>
>
>
> --
> Bryan Bartik
> CCIE #23707 (R&S), CCNP
> Sr. Support Engineer - IPexpert, Inc.
> URL: http://www.IPexpert.com
>
>
> 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 Fri Jul 24 2009 - 01:19:40 ART