I have a Cisco 3662 router with 6 NM-16AM that I am using for remote access server. Recently, I have encountered two problems:
1) Two of the modems will not accept incoming calls, but I can dial out from them. I have tried reseting them with the AT&F command, but that doesn't help it any, I have marked them as BAD.
2) The router hangs every 6-7 hours or so while trying to autoconfigure the modems. I can see this with "sh processes cpu" where the CPU load goes up to around 70% and there are one or more instances of autoconfigure in the command output of the "sh processes cpu". When this happens other users connected to the Access Server are unable to send or receive data! The only solution then is to restart the router (it kind of feels like Microsoft!)
Often times complex troubleshooting issues are best addressed in an interactive session with one of our trained technical assistance engineers. While other forum users may be able to help, its often difficult to do so for this type of issue.
It is obvious that you have some software issues. Please provide a "sh ver | i IOS". I searched the cco bug search for cpu issues with autoconfigure...or atleast I thought I was...and am having problems finding good matches.
I would, however, say that upgrading to some more recent code(I recall some old bugs we fixed that match your description), unless that is what you are running, might solve your problem. If you would rather us find the specifics for you we should look at:
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