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.

Using quality of service (QoS) on Cisco network devices helps provide both bandwidth and priority to certain types of network traffic. In this edition of Cisco Routers and Switches, David Davis walks ...

Most network shops have a fair amount of slightly older gear sitting around—small switches, routes from small offices, etc. This type of hardware is always useful to have so that testing and proof of ...

Cisco routers, often used in enterprise networks, distribute network traffic across the network via several protocols. The Transmission Control Protocol, or TCP, connection is one protocol type ...

A dangerous new type of attack has been discovered that can affect routers -- a type of attack that may be invisible to normal detection methods. Researchers at FireEye have discovered that attackers ...

Cisco is warning businesses that use its wireless VPN and firewall routers to install updates immediately due to a critical flaw that remote attackers can exploit to break into a network. The ...