John,
Watch this url.. http://www.cisco.com/warp/public/794/7200dsl_pppoa.html
I hope this helps..
if not sending me output of "debug atm packet" & "debug ppp packet"
thanks
rahul.
----- Original Message -----
From: "John Neiberger" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, February 23, 2001 12:19 PM
Subject: Cisco 675, ADSL, and PPPoATM
> Here's the situation: we have a branch with a 2620 router and a T-1
> frame relay circuit. As a backup, we have added a RADSL line and we
> want to put a 675 or 678 router at the branch. The 675 will be
> connected to a switch that is connected to the 2620, and the 675 will be
> in its own VLAN.
>
> The DSL circuits (there are actually over 30) are muxed to an ATM T-1
> connecting to an ATM port adapter on a 7513 here at our headquarters. I
> thought I understood how to configure this until I actually started to
> do it. :-)
>
> I was expecting to use point-to-point interfaces (just like our F/R
> network) and aal5snap encapsulation. However, it appears that the 675
> can't do that or I just can't figure out how to do it. I can't even
> figure out how to set the IP address of the WAN interface on the 675. I
> *did* see how to set the ppp ipcp address for the WAN interface, but I'm
> assuming that means I have to use PPPoA. If that's the case, how in the
> heck do I configure the 7513 ATM interface to handle up to 50
> point-to-point subinterfaces using PPPoA? For encapsulation, do I use
> aal5mux or aal5ciscoppp? What are the differences?
>
> I've been searching CCO for hours and I haven't found much that is very
> helpful so far. Every configuration example assumes a different
> situation and topology than ours.
>
> To make matters worse, we are using VLSM and wanted to run RIP v2 on
> the 675. However, it sounds like RIP v2 is quite broken and we'd be
> forced to use RIP v1. That's bad news. Am I screwed? <g>
>
> Is there another router that would be better for this than the 675? I
> looked at the 827 and it seems to be exactly what we want except for one
> thing: Qwest is using CAP on these lines and the 827 does DMT only.
> Arg.... I'm trying to contact some technical people there but so far I
> haven't had much luck.
>
> Do any of you have any experience with this sort of thing?
>
> As usual, many thanks!
>
> John
>
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