[c-nsp] QinQ termination on a Catalyst 6800

Saku Ytti saku at ytti.fi
Tue Feb 19 08:54:06 EST 2019


You are probably thinking toaster ES20, before ezchip ES20+ (out of
which + nexus fabric they built ASR9k).

On Tue, Feb 19, 2019 at 2:22 PM <g at va-dumt.se> wrote:
>
> Hello,
> I have a distinct memory of running selective QinQ on a 6500a chassis a
> couple of years back but there where some ASIC limit on it where the mapping
> done on one interface would affect all ports in a portgroup belonging to
> that specific ASIC. Perhaps this feature was removed because of this
> limitation though?
>
> //Gustav
>
> -----Ursprungligt meddelande-----
> Från: cisco-nsp <cisco-nsp-bounces at puck.nether.net> För Christophe Fillot
> Skickat: den 19 februari 2019 09:05
> Till: Peter Rathlev <peter at rathlev.dk>; Tom Hill <tom at ninjabadger.net>
> Kopia: cisco-nsp at puck.nether.net
> Ämne: Re: [c-nsp] QinQ termination on a Catalyst 6800
>
>
> On 18/02/2019 23:11, Peter Rathlev wrote:
> > On Mon, 2019-02-18 at 20:14 +0000, Tom Hill wrote:
> >> On 14/02/2019 09:01, Christophe Fillot wrote:
> >>> Anyone knows if this platform supports QinQ termination ?
> >>>
> >>> The "encapsulation dot1q X second-dot1q Y" command is not present,
> >>> but maybe there is another way to do it ?
> >> EVCs?
> > I don't think it does double tagging even with EVCs. The following is
> > from a Sup6T running 15.3, but I think 15.5 is the same. I would love
> > to hear that it isn't, I don't have a 15.5 box to test right now.
>
> Unfortunately, it's the same in 15.5, the only option for rewrite is to push
> tags, and encapsulation supports only basic 802.1Q...
>
> Thanks,
>
> Christophe
>
>
>
>
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-- 
  ++ytti


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