NETGEAR NETGEAR user manual See Garp Multicast Registration Protocol on

User Manual for the NETGEAR 7300S Series Layer 3 Managed Switch Software

GMRP

See “GARP Multicast Registration Protocol” on page 8.

GVD

GARP VLAN Database.

GVRP

See “GARP VLAN Registration Protocol” on page 8.

H

Half-duplex

A system that allows packets to transmitted and received, but not at the same time. Contrast with full-duplex.

hop count

The number of routers that a data packet passes through on its way to its destination.

I

ICMP

See “Internet Control Message Protocol” on page 10.

IEEE

Institute of Electrical and Electronics Engineers. This American organization was founded in 1963 and sets standards for computers and communications.

IETF

Internet Engineering Task Force. An organization responsible for providing engineering solutions for TCP/ IP networks. In the network management area, this group is responsible for the development of the SNMP protocol.

IGMP

See “Internet Group Management Protocol” on page 10.

IGMP Snooping

A series of operations performed by intermediate systems to add logic to the network to optimize the flow of multicast traffic; these intermediate systems (such as Layer 2 switches) listen for IGMP messages and build mapping tables and associated forwarding filters, in addition to reducing the IGMP protocol traffic. See “Internet Group Management Protocol” on page 10 for more information.

Glossary C-9

202-10088-01, March 2005