Command Manual – Multicast
H3C S7500E Series Ethernet Switches Chapter 3 IGMP Configuration Commands
3-22
<Sysname> reset igmp group interface vlan-interface 100 225.0.0.1
# Clear the IGMP forwarding entries of multicast groups on subnet 225.1.1.0/24 on
VLAN-interface 100 and the IGMP Snooping forwarding entries of multicast groups on
this subnet in VLAN 100.
<Sysname> reset igmp group interface vlan-interface 100 225.1.1.0 mask 24
3.1.23 reset igmp group port-info
Syntax
reset igmp group port-info { all | group-address } [ vlan vlan-id ]
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Parameters
all: Clears Layer 2 port information of all the IGMP multicast groups.
group-address: Clears Layer 2 port information of the specified IGMP multicast group.
The effective range of group-address is 224.0.1.0 to 239.255.255.255.
vlan-id: Clears Layer 2 port information of IGMP multicast groups in the specified VLAN.
The effective range of vlan-id is 1 to 4094.
Description
Use the reset igmp group port-info command to clear Layer 2 port information of
IGMP multicast groups.
Note that:
z Layer 2 ports for IGMP multicast groups include member ports and router ports.
z This command cannot clear Layer 2 port information about IGMP multicast groups
of static joins.
Related commands: display igmp group port-info.
Examples
# Clear Layer 2 port information of all IGMP multicast groups in all VLANs.
<Sysname> reset igmp group port-info all
# Clear Layer 2 port information of all IGMP multicast groups in VLAN 100.
<Sysname> reset igmp group port-info all vlan 100
# Clear Layer 2 port information about multicast group 225.0.0.1 in VLAN 100.
<Sysname> reset igmp group port-info 225.0.0.1 vlan 100
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