Can someone pls recommend me books on CSVPN , also any url's or online study materials will be appreciated.Thanks.

Cisco cat 2950G-48 is a Non-Blocking switch.But if I cascade TWO 2950G-48 switches with a gigabit fiber cable , will the architecture between 2 switches still remain non-blocking or would it be a blocking architecture.???Cisco site or DOCs do not men...