The last thing you want is to configure your routing protocol to turn VPLS into a frame-relay style network with all traffic routing through a hub site. VPLS looks like a great technology for a small ...

The open systems interconnect (OSI) model provides the standardization of a communication system by breaking it into seven layers. From lowest to highest, these are physical,data link, network, ...

The last blog introduced the four trunk types used in Cisco Unified Communications Manager (CUCM) to route calls over an IP network. The four types are as follows: The H.225 trunk is a replacement for ...

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 ...

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 ...

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 ...