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 ...

I love new security testing tools. There is nothing quite like finding some magical bits of code allowing you to use and abuse protocols in unique and unnatural ways. I was introduced to Loki at ...

How does an SDN interoperate with the rest of the network? SDN Doesn't Operate Alone Software Defined Networks don't operate alone. They will have to interoperate with other SDNs and with other parts ...

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 ...

Routers accept data packets and forward them to a list of destinations it knows about. These destinations can be other routers, or the intended destination of a computer communicating through the ...

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 ...

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 ...