Usage guidelines
This command and the igmp query-interval command have the same function but different effective
ranges:
• The query-interval command in IGMP view takes effect on all interfaces.
• The igmp query-interval command takes effect on the current interface.
For an interface, the igmp query-interval command takes priority over the query-interval command in
IGMP view.
Examples
# Set the global IGMP general query interval to 60 seconds on the public network.
<Sysname> system-view
[Sysname] igmp
[Sysname-igmp] query-interval 60
Related commands
igmp query-interval
reset igmp group
Use reset igmp group to remove dynamic IGMP group entries.
Syntax
reset igmp [ vpn-instance vpn-instance-name ] group { all | interface interface-type interface-number
{ all | group-address [ mask { mask | mask-length } ] [ source-address [ mask { mask | mask-length } ] ] } }
Views
User view
Predefined user roles
network-admin
Parameters
vpn-instance vpn-instance-name: Specifies an MPLS L3VPN instance by its name, a case-sensitive string
of 1 to 31 characters. If you do not specify a VPN instance, the command removes dynamic IGMP group
entries on the public network.
all: Specifies all interfaces (the first all), or all multicast groups (the second all).
interface-type interface-number: Specifies an interface by its type and number.
group-address: Specifies a multicast group by its address in the range of 224.0.0.0 to
239.255.255.255.
source-address: Specifies a multicast source address. If this argument is not specified, the command
removes dynamic IGMP group entries of all multicast source addresses.
mask: Specifies an address mask. The default is 255.255.255.255.
mask-length: Specifies an address mask length. The default is 32. For a multicast group address, the
value range for this argument is 4 to 32. For a multicast source address, the value range for this argument
is 0 to 32.
Usage guidelines
This command might interrupt the multicast information transmission.
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