Re: Routed over this thing?

From: Eric Kagan <ekagan_at_axsne.com>
Date: Wed Oct 02 2002 - 20:39:26 EDT

Todd, Assuming you are talking about a Verizon ATM DS3 circuit for DSL and
are using a Cisco router with ATM DS3 card to terminate I can shed some
light. Ideally you want to be running RBE on the cisco (Routed, Bridged
Encapsulation - hence allowing you to "route" over a "Bridge). We originally
ran that other shitty configuration (IRB - yuk!) but quickly blew it away
and converted to RBE. Since you talk about not having a real PVC for the
customer I will assume you are one of us poor bastards in the East that
Verizon doesn't have a properly configured network for and are getting the
RFC1483 bridged Encaps through the Redbacks. Basically, to save you a lot
of time and aggravation, you need to use a router for the CPE (not a modem
or bridge) that supports RFC1483 Bridging (LLC). We have successfully used
the Netopa 6100, 4541, Speedstream 5621, Caymen 3220 and Great Speed GS1530.
We are currently doing this now with our customers. We basically give them
a static WAN IP and they can either NAT that or we can route a subnet to
them. It works like a charm. Hope this info helps. Let me know if you have
any other questions. If I missed the boat on this one for you let me know.
(Maybe I helped out someone else as well).

As a side note we have unsuccessfully tried the following CPE: (Lucent
Cellpipe, Cisco 673/675, - there might be more but I have blocked them out
of my head). I would be interested in knowing what other ISP's are using
for CPE so we could maybe create our own supported CPE config list.

Thanks
Eric

----- Original Message -----
From: "Todd Troutman" <t@snoofer.com>
To: <verizonisp@westnet.com>
Sent: Wednesday, October 02, 2002 4:24 PM
Subject: Routed over this thing?

> First of all thanks much to everyone, especially Chris, for the
> help over the last few weeks, it's very much appreciated.
>
> This might be impossible but I thought I'd check with you guys and see
> if anyone had any ideas. So has anyone tried to offer a customer
> a block of IP's in a sort of pseudo routed type of a configuration?
> That is, without having a real PVC to the CPE but still offering a /28
> or /29? So that it at least looks to the customer like they've got
> some sort of real routed solution?
>
> This is a brain buster, Mike and I have been messing about with it
> today but haven't gotten it to work. Maybe it can't work?
> Thoughts?
>
> Todd
>
>
> Recent archives of the list can be found at
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>

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Received on Wed Oct 2 20:40:45 2002

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