IEEE 802.1Q

wikipedia:IEEE 802.1Q (Virtual LAN)

• Linux Kernel 5.11 adds support for Connectivity Fault Management(CFM), defined in 802.1Q section 12.1

See also

• Networking: bandwidth, latency, Jitter, Ethernet, UPnP, MPLS, Frame Relay, ATM, TCP/IP, ARP, WiFi, BGP, Networking timeline, Router, Proxy ARP, Services & Networking, Traffic shapper