R3303-HP HSR6800 Routers IP Multicast Configuration Guide

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Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter IGMP-snooping view.
igmp-snooping N/A
3. Enable multicast group
replacement.
overflow-replace [ vlan vlan-list ] Disabled by default.
Enabling multicast group replacement on a port
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter Layer 2 Ethernet
interface view or Layer 2
aggregate interface view, or
enter 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 command.
3. Enable multicast group
replacement.
igmp-snooping overflow-replace
[ vlan vlan-list ]
Disabled by default.
Setting the 802.1p precedence for IGMP messages
You can change the 802.1p precedence of IGMP messages so that they can be assigned higher
forwarding priority when congestion occurs on their outgoing ports.
Setting the 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. Set the 802.1p precedence for
IGMP messages.
dot1p-priority priority-number
The default 802.1p precedence for
IGMP messages is 0.
Setting the 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. Set the 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.