Operation Manual - Multicast
Quidway S3500 Series Ethernet Switches Chapter 5 IGMP Configuration
Huawei Technologies Proprietary
5-4
By default, a router joins no multicast group.
5.2.4 Limit Multicast Groups An Interface Can Access
A multicast router learns whether there are members of a multicast group on the
network via the received IGMP membership message. A filter can be set on an
interface so as to limit the range of allowed multicast groups.
Perform the following configuration in interface view.
Table 5-3 Limit multicast groups an interface can access
Operation Command
Limit the range of
allowed multicast groups
on current interface
igmp group-policy acl-number [ 1 | 2 | port
{ interface_type interface_ num | interface_name } [ to
{ interface_type interface_ num | interface_name } ] ]
Remove the filter set on
the interface
undo igmp group-policy [ port { interface_type
interface_ num | interface_name } [ to { interface_type
interface_ num | interface_name } ] ]
Limit the range of
allowed multicast groups
on current interface
(Ethernet port view)
igmp group-policy acl-number vlan vlan_id
Remove the filter set on
the interface (Ethernet
port view)
undo igmp group-policy vlan vlan_id
By default, no filter is configured, that is, all multicast groups are allowed on the
interface.
5.2.5 Configure the Interval to Send IGMP Query Message
Multicast routers send IGMP query messages to discover which multicast groups are
present on attached networks. Multicast routers send query messages periodically to
refresh their knowledge of members present on their networks.
Perform the following configuration in interface view.
Table 5-4 Configure the interval to send IGMP query message
Operation Command
Configure the interval to send IGMP query
message
igmp timer query seconds
Restore the default value
undo igmp timer query
When there are multiple multicast routers on a network segment, the querier is
responsible for sending IGMP query messages to all hosts on the LAN.
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