All Cisco routers have two special types of lines, and many Cisco routers have a third. What are these lines, and how do you configure them? These are things that every network admin should know.

I procured a used cisco 3640 router with a single port and a dual port ethernet network module. When I powered it up, it worked normally, but it already had a config on it and a password was set. I ...

Most IT pros realize that using Telnet to manage routers, switches, and firewalls is insecure. Transmitted in clear text across a network, Telnet traffic basically publicizes any login usernames and ...

Cisco Access Lists allow businesses to increase system security by defining exactly which devices are allowed to access network resources. Each Access List comprises a series of entries, with each ...

The Cisco 1750 Modular Access Router ($4,000, tested configuration) is a flexible, powerful WAN and Internet access router that provides up to four VoIP connections. A $900 hardware and software ...

Most IT pros know that using Telnet to manage routers, switches, and firewalls is not exactly a security best practice. Instead, the accepted alternative to Telnet's lack of security is Secure Shell ...