GigaX Series L3 Managed Switch User Guide

ICMP

Internet Control Message Protocol

 

An Internet protocol used to report errors and other

 

network-related information. The ping command makes use of

 

ICMP.

IGMP

Internet Group Management Protocol

 

An Internet protocol that enables a computer to share information

 

about its membership in multicast groups with adjacent routers.

 

A multicast group of computers is one whose members have

 

designated as interested in receiving specific content from the

 

others. Multicasting to an IGMP group can be used to

 

simultaneously update the address books of a group of mobile

 

computer users or to send company newsletters to a distribution

 

list.

IGMP Snooping

Snoop the IGMP packets on each port and associate the port

 

with a layer 2 muticast group.

Internet

The global collection of interconnected networks used for both

 

private and business communications.

intranet

A private, company-internal network that looks like part of the

 

Internet (users access information using web browsers), but is

 

accessible only by employees.

IP

See TCP/IP.

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