GLOSSARY
IEEE 802.3ab
Defines CSMA/CD access method and physical layer specifications for
IEEE 802.3ac
Defines frame extensions for VLAN tagging.
IEEE 802.3u
Defines CSMA/CD access method and physical layer specifications for
IEEE 802.3x
Defines Ethernet frame start/stop requests and timers used for flow control on
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 subnetwork, one of the routers is made the “querier” and assumes responsibility for keeping track of group membership.
Management of the network from a station attached directly to the network.
