
Dimension ES-4024 Ethernet Switch
IGMP 24-1
This chapter shows you how to configure IGMP.
24.1 Overview
IGMP (Internet Group Multicast Protocol) is a session-layer protocol used to establish membership in a multicast
group - it is not used to carry user data. Refer to RFC 1112 and RFC 2236 for information on IGMP versions 1 and
2 respectively.
The ES-4024 supports both IGMP version 1 (IGMP-v1) and version 2 (IGMP-v2). At start up, the ES-4024
queries all directly connected networks to gather group membership. After that, the ES-4024 periodically updates
this information.
24.2 Configuring IGMP
Click Routing Protocol, IGMP in the navigation panel to display the screen as shown next. Each entry in the table
is automatically created when you configure a new IP domain in the IP Setup screen (refer to the section on IP
routing domain setup).
Figure 24-1 IGMP
The following table describes the labels in this screen.
Table 24-1 IGMP
LABEL DESCRIPTION
Active Select this check box to enable IGMP on the switch.
You cannot enable both IGMP snooping and IGMP at the same time. Refer to the
section on IGMP snooping.
Index This field displays an index number of an entry.
Chapter 24
IGMP
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