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 ...

Cisco Discovery Protocol (CDP) is a link layer discovery protocol that has been integrated into Cisco switches and routers ever since I can remember. Cisco introduced CDP support into their routers ...

Don't be fooled into thinking that static routing is always the best tool for the job, however. The greatest negative to using static routes is that they don't scale as your network grows. This is ...

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 ...

Cisco has patched a denial of service (DoS) vulnerability that lets attackers crash the Border Gateway Protocol (BGP) process on IOS XR routers with a single BGP update message. IOS XR runs on the ...