I have 18 branch offices connected to center, over leased lines. In order to backup these leased lines, I have 4 analog lines from pstn, which are connected to cisco 3660's 4 seperate serial interfaces via modems. Any one of 18 branches should dial ...

I set up the following:at centre: tokenring, Cisco 2612; c2600-is-mz.121-5.T10.binOS/2 provider with communication managerat remote: ethernet, Cisco 1720; c1700-bnr2y-mz.120-3.T3.bin, dos workstationi have configured priority queueing giving high pri...