Hello:Currently, we have our Access server 3640 configure to point to a radius server for authentication. My question is, can you add a secondary radius as a failover and if so, whats the command for it?Thanks

Two routers are configured with point to point sub interfaces. If the interface, PVC or connection to the frame on one of the router goes down. Will the line protocol on the second router go down as well? I'm confused because I have read different o...

If i have several routers (remote offices) configured with dialer profile, dialing in to one central router(headquaters) that has a PRI. Do i need to configure a dialer profile for each remote location on the central (headquater) router? or just one ...

Is it true that OSPF hello packets will keep the backup ISDN interface up even though the primary interface comes back up? If so, what can I do to avoid this problem. Thanks

This is the scenario: Two routers A and B configured with point to point sub-interfaces via frame-relay. My question is the following: If the PVC or interface on router A goes down, will router B sub-interface line goes down as well? or it will remai...