A pool is just that - a group of IP's sitting in a bucket, waiting to be called upon. If you NEED, for example, 10.1.1.1 to be translated to 20.1.1.1 using Cisco NAT, you need to go with multiple static entries (as was mentioned by an earlier poster...

The processor isn't typically going to be overrun simply by passing the max level of traffic available by its own ports.I would suspect something is awry with your config; QoS, ACL, IOS bug, something.......

Do you have the SPID configured in your router (assuming you have an internal ISDN interface)? Depending on where in the world you are, this may need to be done.

This could be an indication that your router and modem aren't talking to one another. I suspect that the dial backup isn't working like you want it to.Physical connectivity, aux port config, modem dip switch settings, modem cap, etc.Check here:http:...

Many devices are designed with 16 now by default (vty 0 - 15), but are split up into 2 groups in the config (0-4 and 5-15) - don't ask me why.