Providing Network Professionals The Edge

Archives for April 2011

VLAN Pruning

The VLAN pruning feature prevents Cisco's VTP (VLAN Trunking Protocol) from sending VLAN broadcasts (over trunks) to switches within the topology … [Read more...]

Cisco Voice Wildcards

Destination Patten Wildcards Wildcard Meaning + (plus) Indicates E.164 Number . (period) Matches a … [Read more...]

What is a VLAN?

A virtual local area network, virtual LAN or VLAN, is a group of hosts with a common set of requirements that communicate as if they were attached to … [Read more...]

The Cisco VTP Modes

* Server Mode (Default) -VLAN information can be changed -VLAN information is saved -Sends and received VTP updates * Client Mode -VLAN … [Read more...]