[c-nsp] Terminating lots of double-tagged vlans

[Gustav.Ulander at steria.se]

Yes same here we terminated a couple of hundred doubletagged Vlans in a 
couple of our 3600X with EVCs works like a charm.

Bästa hälsningar / Best regards,

Gustav Uhlander
Communication & Infrastructure Engineer

Steria AB
Kungsbron 13
Box 169
SE-101 23  Stockholm
Sweden

Tel: +46 8 622 42 15
Fax: +46 8 622 42 23
Mobile: +46 70 962 71 03
gustav.ulander at steria.se 
www.steria.se




From:   Pete Lumbis <alumbis at gmail.com>
To:     Simon Lockhart <simon at slimey.org>
Cc:     "cisco-nsp at puck.nether.net" <cisco-nsp at puck.nether.net>
Date:   2013-05-23 19:48
Subject:        Re: [c-nsp] Terminating lots of double-tagged vlans
Sent by:        "cisco-nsp" <cisco-nsp-bounces at puck.nether.net>



EVCs might do the trick for you. On the 6k/7600 it requires ES/ES+ modules
I believe. ASR1k and me3600/3800 can do it out of the box.

http://www.cisco.com/en/US/docs/ios-xml/ios/cether/configuration/xe-3s/ce-ether-vc-infra-xe.html





On Thu, May 23, 2013 at 9:25 AM, Simon Lockhart <simon at slimey.org> wrote:

> On Wed Apr 17, 2013 at 12:57:05PM -0700, Bruce Pinsky wrote:
> > Simon Lockhart wrote:
> > > I'm working on a project which uses GPON to connect tens of 
thousands
> > > of properties in a fibre-to-the-home environment. Each property will
> > > be handed off to me as a double-tagged vlan, one per property.
> > > Obviously I don't want to manually create tens of thousands of
> > > subinterfaces on a router, and I'm sure there's a better way of 
doing
> > > this.
> >
> >
> 
http://www.cisco.com/en/US/docs/ios/lanswitch/configuration/guide/lsw_ieee_802.1q.html#wp1027258

> >
>
> Well, I started down this route in the lab, and all was looking 
promising
> for
> the first ONT, running IPv4, and terminating onto an ASR1k.... IPv6 
didn't
> work, and a 2nd ONT wouldn't work.
>
> Then I found the caveat in the documentation - "Only PPPoE is supported 
on
> ambiguous subinterfaces. Standard IP routing is not supported on 
ambiguous
> subinterfaces."
>
> PPPoE isn't going to work in our environment, as the ONT won't do it, 
and
> we're not mandating the use of a CPE router beyond the ONT (the user 
could
> plug their PC direct into the ONT).
>
> Is there any other way to make "Standard IP routing" work on ambiguous
> subinterfaces - i.e. using the "encapsulation dot1q 101 second-dot1q 
any"
> configuration syntax?
>
> Thanks in advance,
>
> Simon
> --
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