H3C Technologies H3C S3100 Series Switches - Manual (Page 243)

Operation Manual – Multicast
H3C S3100-52P Ethernet Switch Chapter 2 IGMP Snooping Configuration
2-6
Caution:
An IGMP-Snooping-enabled Ethernet switch judges whether the multicast group exists
when it receives an IGMP leave packet sent by a host in a multicast group. If this
multicast group does not exist, the switch will drop the IGMP leave packet instead of
forwarding it.
2.2 IGMP Snooping Configuration
The following table lists all the IGMP Snooping configuration tasks:
Table 2-4
IGMP Snooping configuration tasks
Operation Description Related section
Enable IGMP Snooping Required
Section 2.2.1 "Enabling
IGMP Snooping"
Configure timers Optional
Section 2.2.2 "Configuring
Timers"
Enable IGMP fast leave Optional
Section 2.2.3 "Enabling
IGMP Fast Leave"
Configure IGMP
Snooping filter
Optional
Section 2.2.4 "Configuring
IGMP Snooping Filtering
ACL"
Configure to limit ports
passing multicast group
Optional
Section 2.2.5 "Configuring
to Limit Number of Multicast
Groups on a Port"
Configure IGMP
Snooping queriers
Optional
Section 2.2.6 "Configuring
IGMP Querier"
Configure multicast VLAN Optional
Section 2.2.7 "Configuring
Multicast VLAN"
2.2.1 Enabling IGMP Snooping
You can use the command here to enable IGMP Snooping so that it can establish and
maintain MAC multicast group forwarding tables at Layer 2.
Table 2-5
Enable IGMP Snooping
Operation Command Description
Enter system view
system
-view —