G
LOSSARY
Glossary-4
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.
IGMP Snooping
Listening to IGMP Query and IGMP Report packets transferred between IP
Multicast Routers and IP Multicast host groups to identify IP Multicast group
members.
Internet Control Message Protocol (ICMP)
Commonly used to send echo messages (i.e., Ping) for monitoring
purposes.
Internet Group Management Protocol (IGMP)
A protocol through which hosts can register with their local router for
multicast services. If there is more than one multicast router on a given