H3C S7500 Series Ethernet Switches Operation Manual

Operation Manual – Multicast
H3C S7500 Series Ethernet Switches Chapter 6
IGMP Configuration
6-10
To do... Use the command... Remarks
Limit the range of
multicast groups that the
interface serves
igmp group-policy
acl-number [ 1 | 2 | port
interface-type
interface-number [ to
interface-type
interface-number ] ]
Optional
z By default, the filter is
not configured, that is,
any multicast group is
permitted on an
interface.
z If the port keyword is
specified, the specified
port must belong to the
VLAN of the VLAN
interface.
z You can configure to
filter the IP addresses
of some multicast
groups in ACL.
z 1 and 2 are the IGMP
version numbers.
IGMPv2 is used by
default.
Quit interface view.
quit
—
Enter Ethernet port view
interface interface-type
interface-number
—
Limit the range of
multicast groups that the
interface serves
igmp group-policy
acl-number vlan vlan-id
Optional
z By default, the filter is
not configured, that is,
any multicast group is
permitted on the
interface.
z The port must belong
to the IGMP-enabled
VLAN specified in the
command. Otherwise,
the command does not
take effect.
Caution:
z If the number of multicast groups on the interface exceeds the user-defined limit,
new groups are not allowed to join any more.
z If the number of existing IGMP multicast groups has exceeded the configured limit
on the number of multicast groups on the interface, the system will remove some
existing multicast groups automatically until the number of multicast groups on the
interface is conforming to the configured limit.