[nsp] Cisco 3640 ATM and Mupltiple ISP's Question

Melvin C. Etheridge mele at enia.net
Wed Feb 18 17:31:44 EST 2004

Sorry for the delay in replying...it's been kinda hectic around here....

Multiple ISP's came from me being one the the telco being the other.

They now have decided that this will not work and want to switch everthing
over to PPPoA.
They will swap out the modems at their expense.

I'm pretty sure I can configure the 3640 for PPPoA, I'm just not to sure if
that is going to solve the original problem of distingushing their customers
from mine.

Currently they have build a indiv path for each of my customers in each
DSLAM through each ATM switch back to me.

I don't see how using PPPoA is going to help this.


----- Original Message ----- 
From: "Kenny Stoltz" <kenny at qx.net>
To: "Melvin C. Etheridge" <mele at enia.net>
Cc: <cisco-nsp at puck.nether.net>
Sent: Thursday, February 12, 2004 5:45 PM
Subject: Re: [nsp] Cisco 3640 ATM and Mupltiple ISP's Question

> Doesn't seem like the typical setup as they usually let you put the
> customer on whatever PVC you want, but you can grab more bits for the
> VPI through "atm maxvpi-bits" on the atm interface, which would let you
> go up to 80.
> As for setting up a range I think that they want to set up different
> VPIs for each DSLAM, so you would have VPI 80, 81, 82, 83, etc. You will
> still need a VCI for each customer, unless (god help you) they are going
> to dump all the traffic from the DSLAM onto one circuit and make you
> sort it out, so your VCIs will look like 80/200. Starting at 80 is a
> really crappy idea though because it means that you don't have as many
> bits for VCI.
> I am assuming this is the relationship I know of where you get an ATM
> pipe into the network and you sell DSL circuits to customers and the
> telco gets a dsl loop fee and you get the data in your atm pipe from the
> customer, is this correct? Where does "multiple isps" come in then?
> Kenny
> Melvin C. Etheridge wrote:
> >The local Telco currently offers DSL to their customers and we "resell"
> >same service to ours using their adsl circuits.
> >
> >Currently each of my customers has there on sub int and pvc on our router
> >(int atm1/1.xxx PVC 1/xxx) .
> >
> >The Telco is wanting to set up a "virtual path" for our customers from
> >DSLAM back through their ATM switch to
> >our 3640.
> >
> >They wanted me to use a "range" command and setup a PVC for each DSLAM
> >starting with PVC80/xxx (I THINK) .
> >
> >Well the 3640 does not support the "range" command and the allowed VPI's
> >only from 0-63.
> >
> >Is there any other way to set this up so that they have their virtual
> >for their customers and we have one for ours??
> >
> >Thanks,
> >
> >Mel
> >
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> >
> >

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