Just this last week several customers have ironically all asked me the exact same question. “Can we use an Ethernet switch instead of a router for our Internet EBGP peering to our ISP(s)?” While ...

Routing is the process of determining where to send data packets that are destined for addresses outside the local network. Routers gather and maintain routing information to enable the transmission ...

Editor's Note: To view a PDF version of this article, Click Here. Multiprotocol label-switching (MPLS) technology is about to take off. As the most widely used MPLS routers, label edge routers (LERs) ...

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Building enterprise networks with routers and switches ...

The word redundancy is thrown around often in today's communications equipment sector. And, for the most part, this term is used to describe systems that deliver the coveted 99.999 percent (five nines ...

A complex routing protocol that shares information with other routers in order to determine the best path. IS-IS was the first comprehensive link state protocol, and OSPF and NLSP evolved from it.

Servers could be haunted by a ghost from the 1980s, as hackers have started abusing an obsolete routing protocol to launch distributed denial-of-service attacks. DDoS attacks observed in May by the ...

Understand the significance of administrative distance and metrics when working with routers Your email has been sent Want to learn more about router and switch management? Automatically sign up for ...

Fundamentals: Five ways to secure your Cisco routers and switches Your email has been sent David Davis describes the fundamentals of router security through a list of his top five best practices. He ...