I came across this handy tool (Peer Monitor) which uses simple ping (ICMP request) to monitor end devices.
Cisco IOS warm upgrade and reload feature
In this article I'll explain how to perform a Cisco IOS warm upgrade and reload to minimize downtime.
Ethernet Cable & Connections
Here is a Chapter on Ethernet cable Due to popular demand & being such a famous Industry standard and used extensively in Cisco and other Networking exams.
Setting up Port Mirror (SPAN) on Nortel Baystack 350 switch
Here is how you will set-up SPAN (Port mirror) session on a Nortel Baystack switch:
