H3C Technologies H3C S10500 Series Switches - Manual (Page 37)

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To do... Use the command... Remarks
Enter system view system-view —
Enter IGMP-snooping view igmp-snooping —
Set the maximum number of entries
in the IGMP snooping forwarding
table
entry-limit limit
Required
2000 by default.
NOTE:
•
If the number of existing entries is larger than the limit when you configure it, the device informs you to
remove excessive entries. In this case, the device does not automatically remove any existing entries or
create any new entries.
• IGMP snooping forwarding entries created for multicast VLAN are not limited by this command. You
can use the multicast-vlan entry-limit to limit the number of entries in the IGMP snooping forwarding
table of a multicast VLAN. For more information, see the chapter “Multicast VLAN configuration.”
Configuring static multicast MAC address entries
In Layer-2 multicast, a Layer 2 multicast protocol (such as, IGMP snooping) can dynamically add multicast
MAC address entries. Or, you can manually configure multicast MAC address entries.
Configuring a static multicast MAC address entry in system view
Follow these steps to configure a static multicast MAC address entry in system view
To do... Use the command... Remarks
Enter system view system-view —
Configure a static multicast MAC
address entry
mac-address multicast
mac-address interface interface-list
vlan vlan-id Required
No static multicast MAC address
entries exist by default.
Configuring a static multicast MAC address entry in interface view
Follow these steps to configure static multicast MAC address entries in interface view
To do... Use the command... Remarks
Enter system view system-view —
Enter Layer 2 Ethernet interface
view, Layer 2 aggregate interface
view, or port group view
Enter Layer 2 Ethernet interface
view or Layer 2 aggregate
interface view:
interface interface-type
interface-number
Enter port group view:
port-group manual
port-group-name
Required
Use either command
Configure a static multicast MAC
address entry mac-address multicast
mac-address vlan vlan-id
Required
No static multicast MAC address
entries exist by default.