CPE / ISP Multilink PPP configuration problem

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Dec 19th, 2008
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We have 2 ADSL PPPoA. Configured to be bonded via Multilink PPP. Seems only one of the lines is active. I have attached the configs for both the 2801 and the 7206. Need help figuring out how to get both to function. We have this at Tac presently but they are having problems with it as well.



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Giuseppe Larosa Sun, 12/21/2008 - 03:50
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Hello Jason,

try to use under each virtual-template interface on the cpe


ip unnumbered multilink3


also I've found example where an ATM point-to-point interface is used


So another suggestion is to use point-to-point ATM subifs also on the CPE as you use them on the backbone router


This is important for the routing protocols also to have the same type of subinterface on both sides


see

http://www.cisco.com/en/US/docs/routers/access/1700/software/feature/guide/1700ADSL.html#wp31205


Hope to help

Giuseppe


swensonj Mon, 12/22/2008 - 10:47
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Hello Giuseppe,


I have attached an update of the suggested changes. Could you give it once over and provide any feed back. We want to put this in place in the morning on site at two locations.


Thanks Jason



Giuseppe Larosa Mon, 12/22/2008 - 13:03
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Hello Jason,

I think it is fine.


just one note:

the ip unnumbered multi3 command will override the no ip address command under the two virtual template interfaces.

So don't worry about this it is normal


Hope to help

Giuseppe


swensonj Mon, 12/22/2008 - 13:34
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Thanks Giuslar,


We'll inputting the changes on site in the morning.


Jason

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