G
LOSSARY
Glossary-4
LANs, and defines a standard way for VLANs to communicate across
switched networks.
IEEE 802.1p
An IEEE standard for providing quality of service (QoS) in Ethernet
networks. The standard uses packet tags that define up to eight traffic
classes and allows switches to transmit packets based on the tagged
priority value.
IEEE 802.3
Defines carrier sense multiple access with collision detection (CSMA/CD)
access method and physical layer specifications.
IEEE 802.3ab
Defines CSMA/CD access method and physical layer specifications for
1000BASE-T Fast Ethernet.
IEEE 802.3ac
Defines frame extensions for VLAN tagging.
IEEE 802.3u
Defines CSMA/CD access method and physical layer specifications for
100BASE-TX Fast Ethernet.
IEEE 802.3x
Defines Ethernet frame start/stop requests and timers used for flow
control on full-duplex links.
IEEE 802.3z
Defines CSMA/CD access method and physical layer specifications for
1000BASE Gigabit Ethernet.
IEEE 802.1x
Port Authentication controls access to the switch ports by requiring users
to first enter a user ID and password for authentication.