A 4th switch, a Catalyst 3560, has just been installed. It's on 49002, and others got bumped up.
telnet 72.205.54.70 49001
telnet 72.205.54.70 49002
telnet 72.205.54.70 49003
telnet 72.205.54.70 49004
For topology and updates go to
Free Cisco Catalyst Switch Lab. Thanks!