[AusNOG] Experiences with PPPoE on MX5 or ASR1K

[Diogo Montagner]

Scott,

Have you checked this URL ?

http://www.juniper.net/techpubs/en_US/release-independent/junos/information-products/pathway-pages/subscriber-access/subscriber-management-scaling-values.xls

The MX handle many things at PFE level, including ppp keepalives.

Policer/filters per session will consume PFE memory independent of how much
traffic is passig through. The basic the filters are, the more subs you
will be able to have. Though, the limits are in that table (xls).

HTH

On Friday, 19 September 2014, Scott O'Brien <scott at scottyob.com> wrote:

> G'Day all,
>
> I'm often lurking on list but don't often post.  I'm building a little
> setup soon for a small ISP overseas and am hoping to get opinions in
> peoples experience running a PPPoE server on either the MX5 or Cisco
> ASR1001-X routers.  I know that Juniper have had issues with PPPoE in the
> past with this platform but I believe that's all sorted now?  I can't seem
> to find much by the way of how many subscribers can be terminated on these
> platforms in spec sheets when traffic shaping would be being used on each
> session.  Would I be a little optimistic expecting upwards of 4K users on
> either of these boxes?
>
> Before I start a war of not using PPPoE because straight IPoE is better
> and being used more and more, I was thinking it'd be much easier for a
> small scale shop to support this by simply extending a L2 domain for their
> customers (with appropriate L2 security) than having to worry about where
> to place route-points to get meaningful information in DHCP option 82
> relays.
>
> Hoping that someone who works a bit more with Juniper and this platform
> could answer if I'd be able to run a PPPoE server on the MX5 instead of
> forking out for the MX80 (not needing the interfaces or bandwidth )?  It
> looks like the licences (S-MX80-SA-FP, S-MX80-SSM-FP from
> https://www.juniper.net/techpubs/en_US/junos13.2/topics/reference/general/mx-series-software-license-features.html)
> only lists the MX80 as the supported device?
>
> I'm also wondering what peoples experiences are running either of these
> platforms on the border regarding receiving the full routing table possibly
> from a few different upstream providers.  I believe both these boxes can
> handle ~ 1.5 million routes?
>
> I've not done much either by the way of hunting for distributors (either
> local or in the US) to start getting an idea on pricing yet.  Is this
> something this list could possibly help out with?  I know the charter says
> it's for exchanging technical information, so perhaps content regarding
> distributor contacts would be better suited to contact me off-list?
>
> Thanks,
> - Scott O'Brien
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-- 
./diogo -montagner
JNCIE-SP 0x41A
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