[c-nsp] PPPoE termination on ASR9K without SE linecards

George Giannousopoulos ggiannou at gmail.com
Thu Mar 15 14:19:58 EDT 2018


Hi Brian,

Indeed in order to terminate PPPoE on the LC you need an SE LC.
The question  is what happens when you want to terminate the session on the
RSP. You certainly need the SE RSP but do you still need the SE LC?

Thanks,
George

On Thu, Mar 15, 2018 at 7:58 PM, Brian Turnbow <b.turnbow at twt.it> wrote:

> Hi George
>
> I have always been told that TR cards do not support bng that you need for
> pppoe on asr.
> Same for the old trident cards.
> And even  if they did you would be severely limited in qos scaling. (if
> you need really  high qos scaling you should go tomahawk btw)
> There are some cisco live presentations deep diving the architecture and I
> remember some with the "not supported" for  bng as a feature for tr cards.
> Also on the cisco support forums the articles on bng by xander all cite
> the use of SE linecards for LC termination.
>
> You can do it on rsp as the 9001 supports bng just fine.
>
> regards
>
> Brian
>
>
>
>
> > -----Original Message-----
> > From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> > George Giannousopoulos
> > Sent: giovedě 15 marzo 2018 11:23
> > To: cisco-nsp
> > Subject: [c-nsp] PPPoE termination on ASR9K without SE linecards
> >
> > Hello all,
> >
> > I hope for a positive answer on this.. Has anyone tried to terminate
> PPPoE on
> > ASR9K *without SE LCs*, *but with SE RSPs*?
> >
> > I know I can terminate PPPoE on RSP which will affect system scalability
> in
> > terms of sessions, but is it mandatory to have SE LCs as well? When I
> asked
> > Cisco they suggested a SE LC with SE RSP, but they didn't provide a
> clear
> > answer *why* a SE LC is needed.
> >
> > Has anyone tried that or can confirm it's officially supported and why?
> >
> > Thanks,
> > George
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