Many people have seen the message logged to their switch about a mismatched native VLAN on a trunk, but how is it detected? There are two methods of detecting mismatched native VLAN on a trunk link: To demonstrate how this
Cisco Flex link
Introduction Flex link is a Cisco solution which replaces STP in certain network topologies. It works by detecting link down on a primary interface and then bringing up the backup interface that has been defined as backup. It is most
Busting myths – Spanning tree portfast on the interface
I would like to bust a common myth. One that I’m probably guilty of preaching before as well. We all know that when portfast is enabled the port will bypass the listening and learning phase of STP. Portfast can be