We run quite a large multi-site Cisco network using EIGRP as the routing protocol. Many of the sites have a backup link but looking at the topology table there are virtually none that have a feasible successor. This seems to defeat the object a lit...

I've been tasked with creating some network diagrams and currently we don't have any specific software or format as standard. I was wondering what the best application would be to create diagrams with. I've been told that NetViz and Visio are two o...

Hi, I'm getting a lot of overruns on a gigabit ethernet interface of a Cisco 6509. The interfaces is connected to a server which has a gig network card. I believe overruns happen when data comes from the server at a rate which the switch port can't ...