Lately, I’ve heard many mentions, pro and con, of using virtual LANs to solve QoS challenges in wireless LANs. If like me, you’ve been confused by some of this talk, read on. First, several vendors ...

The CDP protocol was updated to version 2 when Cisco added this functionality to the Cisco IP phone endpoints. CDPv2 allows switch ports configured with a voice vlan (auxillary vlan in Cat OS) to ...