Okay, I'm studying for the CCENT and then the CCNA. I just bought a couple of routers so that I could do some hands on labs and they came in this week. I have two 2501 and one 2620 with CSU/DSU card and ISDN/BRI card. I am watching CBT Nuggets and reading Sybex CCENT. I plan on doing the labs in the book and with the Nuggets, but I was wondering if anyone could tell me the best way to hook this lab up. Thanks in advance for all your input.