ZyXEL Communications IES-22A - IGMP Commands; Chapter 48 IGMP Commands; Multicast Overview; IGMP Snoop Commands

IES-708-22A User’s Guide
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CHAPTER 48
IGMP Commands
This chapter describes the IGMP snooping and filtering commands.
48.1 Multicast Overview
See Chapter 18 on page 147 for background information on this feature.
48.2 IGMP Snoop Commands
Use the IGMP snoop commands to enable or disable IGMP proxy or IGMP snooping.
48.2.1 IGMP Snoop Show Command
Syntax:
ras> switch igmpsnoop show
This command displays the IGMP mode (proxy, snooping or disabled).
The following is an example.
48.2.2 IGMP Snoop Enable Command
(STU-R mode only) Syntax:
ras> switch igmpsnoop enable
This command turns on IGMP snooping, which tells the device to passively learn multicast
groups.
The following example sets the device to use IGMP snooping.
ras> switch igmpsnoop show
IGMP Snooping is Disable
ras> switch igmpsnoop enable