Last Mile Design

Colton Conor colton.conor at
Fri Feb 15 13:06:16 UTC 2019

Well the CES is EOLed.

ACX5048 can be had for around $10k, so not cheap for residential customers
but fine for upstream aggregation.

On Fri, Feb 15, 2019 at 2:00 AM Mark Tinka <mark.tinka at> wrote:

> On 14/Feb/19 23:25, Brandon Martin wrote:
> >
> >
> > The CES is...wonky.  My Foundry/Brocade/Extreme SEs have steered me
> > away from them on more than one occasion.
> >
> > The CER is fine but of course more expensive.  It'll take a full
> > Internet table, though, which is handy.
> >
> > For AE resi deployments, I'd aggregate folks onto cheap 48 port
> > switches then terminate onto a single pizza box router somewhere "less
> > deep" in the network.  Distributed, in-field L3 termination doesn't
> > mean you have to terminate L3 right at the customer-facing port.
> One of the reasons I'd pay a little extra for an Active-E FTTH-centric
> switch is to control bandwidth right at the port the customer connects
> to. Cheap Ethernet switches generally don't have this capability (or if
> they do, have it in only one direction). This is why I felt the CES/CER
> were reasonable, but purely as Layer 2 termination and not using their
> IP/MPLS capabilities.
> Anyway, it's been a while since I had any interest in this, so it's
> possible life has changed since I was at the beach :-).
> Mark.
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