Cisco 7206 IOS for PPPoE Termination

Shahab Vahabzadeh sh.vahabzadeh at gmail.com
Sun Sep 23 20:50:53 UTC 2012


why joking Mark?

On Mon, Sep 24, 2012 at 12:19 AM, Mark Gauvin <MGauvin at dryden.ca> wrote:

> You are joking I hope
>
> Sent from my iPhone
>
> On 2012-09-23, at 3:38 PM, "Shahab Vahabzadeh" <sh.vahabzadeh at gmail.com>
> wrote:
>
> > Dear Paul,
> > Thanks for you reply, May I have those optimization knobs for
> > virtual-template and throttles?
> > Maybe looking into your configurations help me in this field.
> > I will look for the service  provider image too.
> > Thanks
> >
> > On Sun, Sep 23, 2012 at 11:17 PM, PC <paul4004 at gmail.com> wrote:
> >
> >> For this application, you may wish to consider the service provider
> images.
> >>
> >> The latest 15.x(S) image works, as it is the derivative of what was
> >> formerly the service-provider oriented 12.2(SRx) images.
> >>
> >> However, it's unlikely to drop steady state CPU, but it may contain some
> >> optimizations for concurrent PPP (re)negotiations on the G2 platform
> during
> >> session recovery.
> >>
> >> PPPoE will generally handle more users on ethernet as it is easier to
> push
> >> packets on when not dealing with the ATM encapsulations, but to what
> extent
> >> this holds true on the 7200, I can't tell you for sure.
> >>
> >> I'd also read the broadband aggregation guide under the IOS
> documentation
> >> on cisco.com, and tune all the knobs that may help you, there are some
> >> pointers on what items on virtual-templates are punitive in performance,
> >> other optional items such as disabling SNMP counters on virtual access
> >> interfaces to reduce cpu usage, and other items that may help little by
> >> little.  There are also various knobs to throttle PPPoE renegotiation
> rates
> >> during recovery.
> >>
> >> I wish you luck (and consider getting another and/or bigger router to
> >> split the load).
> >>
> >> On Sun, Sep 23, 2012 at 1:23 PM, Shahab Vahabzadeh <
> >> sh.vahabzadeh at gmail.com> wrote:
> >>
> >>> Which software you used before for them?
> >>>
> >>> On Sun, Sep 23, 2012 at 10:43 PM, Rinse Kloek <
> rinse.kloek at isp.solcon.nl
> >>>> wrote:
> >>>
> >>>> 6000 PPP users on a NPE-G2 is way too much imho. Currently we do no
> more
> >>>> than 3000 users on a NPE-G2 with PPPoA. (Max cpu 50%).
> >>>> 5 years ago, we did about 5000 users on a NPE-G2, but as traffic
> ratio's
> >>>> grow each year the maximum users a NPE-G2 can handle will drop each
> >>> year.
> >>>> Don't forget an NPE-G2 is a software based plaform, so traffic
> >>> forwarding
> >>>> is done in software CPU.
> >>>>
> >>>> regards,
> >>>> Rinse Kloek
> >>>> Op 23-9-2012 20:51, Shahab Vahabzadeh schreef:
> >>>>
> >>>>> Hello everybody,
> >>>>> I am using C7206 VXR NPE-G2 routers as BRAS in my network and the
> >>> current
> >>>>> IOS is *c7200p-adventerprisek9-mz.**124-24.T.bin* on them.
> >>>
> >>>>>
> >>>>> Also their memory upgraded to 2GB instead of 1GB.
> >>>>> And I have near 6500 online user on each of my BRAS and there is no
> >>>>> speciefic feature except aaa with radius and ordinary features.
> >>>>> There router is also terminating dot1q too because my PSTN centers
> >>> traffic
> >>>>> comes through dot1q vlans to BRAS es.
> >>>>> I think I have some problem with current IOS, My CPU Usage is
> abnormal
> >>> and
> >>>>> Its near %70 or %80.
> >>>>> And when I have a network problem and some of PSTN centers goes down
> >>> CPU
> >>>>> go
> >>>>> to %99 and it gets problem to recovery.
> >>>>> Do you know any good IOS for me as a service provider to use?
> >>>>> I heard that some service providers have near 8000 online user on
> 7206.
> >>>>> Thanks
> >>>>>
> >>>>>
> >>>
> >>>
> >>> --
> >>> Regards,
> >>> Shahab Vahabzadeh, Network Engineer and System Administrator
> >>>
> >>> Cell Phone: +1 (415) 871 0742
> >>> PGP Key Fingerprint = 8E34 B335 D702 0CA7 5A81  C2EE 76A2 46C2 5367
> BF90
> >>>
> >>
> >>
> >
> >
> > --
> > Regards,
> > Shahab Vahabzadeh, Network Engineer and System Administrator
> >
> > Cell Phone: +1 (415) 871 0742
> > PGP Key Fingerprint = 8E34 B335 D702 0CA7 5A81  C2EE 76A2 46C2 5367 BF90
>



-- 
Regards,
Shahab Vahabzadeh, Network Engineer and System Administrator

Cell Phone: +1 (415) 871 0742
PGP Key Fingerprint = 8E34 B335 D702 0CA7 5A81  C2EE 76A2 46C2 5367 BF90


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