Re: Verizon ATM HELP!!

On Tue, Sep 10, 2002 at 02:55:26AM -0400, Michael Steinhart wrote:
> Hi all
>
> I'm new to this list. I am from a northern New Jersey ISP, PMH Network Services
> (OpCenter.net). OpCenter has been an ISP serving northern New Jersey since 95.
> We do the tipical ISP services Dial-up, Hosting, consulting and a provider of Covad
> DSL. Now we are entering the world of Verizon ADSL and what a rocky road it has
> been. We are at a spot ware I am sure most of you have been.

 ...

I think Verizon has more than one model for ISP connectivity depending on
what part of the country you are in. We're in NH so maybe our setup would
be similar to yours.

> Can someone please answer a few questions to get me started.
>
> Can Verizon ADSL be setup in routed mode and or bridged?

Completely bridged here (although you can do IP routing over the
bridged networks). Most customers in a given area are bridged onto a
single PVC, although you may have different PVCs which reflect
different areas. (There are some exceptions that aren't really
germaine to getting started.)

>
> Can a static IP be assigned to a CPE Router/Bridge?

I have seen no problem doing static IP assignments, however IMHO it's
easiest to control static assignments out of your DHCP server. That way
you don't have to hardcode things into your router, plus you keep customers
using the DHCP mechanism even if their IP assignment is unlikely to change.

> If a static IP can be set, can multiple IP's (/29 - /24) be routed to a CPE
> Router/Bridge?

Sure, why not?

> And would you mined letting me see a copy of a Cisco config?

Here's a snippet using BVI routing over bridged networks (as opposed
to RBE, which you may prefer). As I say, it may not work for however
Verizon does it in your area:

interface ATM1/0
 description Verizon ATM Network
 no ip address
 no ip mroute-cache
 atm scrambling cell-payload
 no atm ilmi-keepalive
!
interface ATM1/0.1 multipoint
 description Verizon DSL area 1
 pvc vz-dsl1 1/301
 !
 bridge-group 10
 bridge-group 10 subscriber-loop-control
 bridge-group 10 spanning-disabled
!
interface ATM1/0.2 multipoint
 description Verizon DSL area 2
 pvc vz-dsl2 1/302
 !
 bridge-group 10
 bridge-group 10 subscriber-loop-control
 bridge-group 10 spanning-disabled
!

interface BVI10
 description Verizon DSL routing
! Note: 0000.0000.0000 for this example: set it to a stable value
! so your MAC address is persistent across reboots.
 mac-address 0000.0000.0000
 ip address a.b.c.1 255.255.255.0
! access lists for filtering
 ip access-group vz-dsl-in in
 ip access-group vz-dsl-out out
! address of DHCP server at ISP:
 ip helper-address w.x.y.z
 no ip proxy-arp
 ip route-cache same-interface
 no ip mroute-cache
!

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Received on Tue Sep 10 10:45:55 2002