Some History on VLAN 1 in Cisco Switches
Over the years, there has been a lot of discussion on if VLAN 1 in Cisco switches is special or […]
Ethernet
CDP
Ethernet, Spanning tree
Encapsulation of PDUs On Trunk Ports
When I studied for my CCIE almost 15 years ago, I recall that I was fascinated by how different PDUs
Spanning tree
Detecting Mismatched Native VLANs
Many people have seen the message logged to their switch about a mismatched native VLAN on a trunk, but how