Hai experts,
we have cisco 3640 router we configured as head office to branch office connectivity for data transfer its working fine in that 3640 router we have nm-8am modele iam trying to configure that if i give group range strangely all my serial links is down.iam unable to find the solution.plz any body can help how can i configre the router to ras using single pc and dialup modem with out any distrbance of serial link.(if one serial is own dialup has to takecare)
plz can i get any examples and any body as done this set up.
regards
manish.g