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
802.1Q
Ethernet
802.1Q-Tagged Frames Through Unmanaged Switch – Forwarded or Dropped?
As a follow-up to the post yesterday on native VLANs, there was a question on what would happen to 802.1Q-tagged
Ethernet
Why Do We Have Native VLANs?
Recently, my friend Andy Lapteff asked an excellent question. Why do we have native VLANs? As in, why allow untagged
Layer 2
Native VLAN – why you should change it
The native VLAN (assuming 802.1Q) is a VLAN that is sent untagged by default. The default for Cisco switches is