My humble network lab
12U Telco Rack
Cisco 1601 w/T1 WIC (IOS 12.0.7)
1
Cisco Catalyst 2950T-24 (IOS 12.1.22 EA4)
Cisco 2503 (IOS 12.2.27)
1
1
: Connected using a DB60 DCE/DTE serial cable.
