[c-nsp] CBWFQ-LLQ on PPPoE Virtual Templates

[David Granzer]

On 4/16/08, Andrey Kostin <ankost at podolsk.ru> wrote:
> Can anybody share experiense about how many sessions with Per-Session QoS
>  (shaping or policing) could NPE-G1 handle?

At this time with mix of policing and shaping per session enabled
(terminating PPPoE) we have about 3.5k sessions, 50 kpps (230Mb/s),
80% CPU.

David


>  > -----???????? ?????????-----
>  > ??: cisco-nsp-bounces at puck.nether.net
>  > [mailto:cisco-nsp-bounces at puck.nether.net] ?? ????? David Granzer
>  > ??????????: 10 ?????? 2008 ?. 18:35
>  > ????: Gregory Boehnlein
>  > ?????: cisco-nsp at puck.nether.net
>  > ????: Re: [c-nsp] CBWFQ-LLQ on PPPoE Virtual Templates
>
> >
>  > On 4/10/08, Gregory Boehnlein <damin at nacs.net> wrote:
>  > > > > Hello,
>  > >  > >     We have a 7206 running (C7200-IK9S-M), Version
>  > 12.3(20), RELEASE
>  > >  > > SOFTWARE (fc2). We are trying to get LLQ implemented on Virtual
>  > >  > > Template interfaces for our PPPoE DSL users:
>  > >  > >
>  > >  > > vpdn-group akrnaa01rr
>  > >  > >  description SBC Akron VPDN Group
>  > >  > >  accept-dialin
>  > >  > >   protocol l2tp
>  > >  > >   virtual-template 1
>  > >  > >  terminate-from hostname akrnaa01rr.oh.AADS
>  > >  > >  local name xxxxxx
>  > >  > >  lcp renegotiation always
>  > >  > >  l2tp tunnel password 7 xxxxxxxxxxx
>  > >  >
>  > >  > QoS for L2TP users is not supported in your release, you
>  > need 12.2SB,
>  > >  > take a look at the "Per-Session QoS" feature at
>  > >  >
>  > http://www.cisco.com/en/US/docs/ios/12_2sb/feature/guide/sbbbrs1b.html
>  > >
>  > >
>  > > Excellent. Thank you very much. What does the "SB"
>  > designation stand for?
>  >
>  > There are two SB releases, 122-28.SB and 122-31.SB. I'm not surre what
>  > exactly the difference is between the two, but we have curious
>  > experience with 122-31.SB releases with Per-Session QoS (traffic
>  > shaping) enabled. If there a lot of PPPoE sessions (more than 3000) on
>  > the 7301 the  throughput per session goes notably down. We didn't see
>  > this behavior with 122-28.SB.
>  >
>  > David
>  >
>
>
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