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 ...

Network Engineers are always looking for new ways to gain some low-cost network testing capabilities. Few companies sufficiently fund networking labs for their networking teams to learn on prior to ...

In the last Byte-Sized Lesson, we looked at Layer 2 switches. Now, we’ll consider the function of a router and what happens when Layer 3—the Network Layer—relays packets. If your facility’s ...

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 ...

Brief History For a better understanding of service-edge router requirements, it is useful to revisit the history of router development within enterprise and core networks. Initial LAN enterprise ...

We have recently spoken about IP routing, but there is something else that needs our attention, and it is all about the types of routes found in a routers routing table. It might sound confusing but ...

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.

Routing protocols play a critical role in the functioning of the Internet and the services built upon them. However, many of these protocols were developed without security concerns in mind. For ...

Internet access is becoming more and more critical for handling everyday business. To ensure Internet redundancy and optimum performance, organizations may want to consider implementing BGP ...