3Com Switch 4800G 24-Port - Configuring Basic Functions of IGMP

618 CHAPTER 46: IGMP CONFIGURATION
n
■ Configurations performed in IGMP view are effective on all interfaces, while
configurations performed in interface view are effective on the current
interface only.
■ If a feature is not configured for an interface in interface view, the global
configuration performed in IGMP view will apply to that interface. If a feature
is configured in both IGMP view and interface view, the configuration
performed in interface view will be given priority.
Configuring Basic
Functions of IGMP
Configuration
Prerequisites
Before configuring the basic functions of IGMP, complete the following tasks:
■ Configure any unicast routing protocol so that all devices in the domain are
interoperable at the network layer.
■ Configure PIM-DM or PIM-SM
Before configuring the basic functions of IGMP, prepare the following data:
■ IGMP version
■ Multicast group and multicast source addresses for static group member
configuration
■ ACL rule for multicast group filtering
Enabling IGMP First, IGMP must be enabled on the interface on which the multicast group
memberships are to be established and maintained.
Follow these steps to enable IGMP:
Task Description
“Configuring Basic Functions of IGMP” on
page 618
“Enabling IGMP” on page 618 Required
“Configuring IGMP Versions” on
page 619
Optional
“Configuring a Static Member of a
Multicast Group” on page 619
Optional
“Configuring a Multicast Group
Filter” on page 620
Optional
“Adjusting IGMP Performance” on page
620
“Configuring IGMP Message
Options” on page 620
Optional
“Configuring IGMP Query and
Response Parameters” on page
621
Optional
“Configuring IGMP Fast Leave
Processing” on page 623
Optional
To do… Use the command… Description
Enter system view system-view -