H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 29)

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Step Command Remarks
2. 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
Use either approach.
3. Enable multicast group
replacement. igmp-snooping overflow-replace
[ vlan vlan-list ]
Disabled by default.
Configuring 802.1p precedence for IGMP messages
You can change 802.1p precedence of IGMP messages so that they can be assigned higher forwarding
priority when congestion occurs on their outgoing ports.
Configuring 802.1p precedence for IGMP messages globally
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter IGMP-snooping view. igmp-snooping N/A
3. Configure 802.1p
precedence for IGMP
messages.
dot1p-priority priority-number
The default 802.1p precedence for
IGMP messages is 0.
Configuring 802.1p precedence for IGMP messages in a VLAN
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter VLAN view. vlan vlan-id N/A
3. Configure 802.1p
precedence for IGMP
messages in the VLAN.
igmp-snooping dot1p-priority
priority-number The default 802.1p precedence for
IGMP messages is 0.
Enabling the IGMP snooping host tracking function
With the IGMP snooping host tracking function, the switch can record the information of the member
hosts that are receiving multicast traffic, including the host IP address, running duration, and timeout time.
You can monitor and manage the member hosts according to the recorded information.
Enabling the IGMP snooping host tracking function globally
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter IGMP-snooping view. igmp-snooping N/A