H3C Technologies H3C S7500E Series Switches - Manual (Page 53)

2-21
To do... Use the command... Remarks
Enable multicast source port
filtering
source-deny port interface-list
Required
Disabled by default
Configuring multicast source port filtering on a port or a group of ports
Follow these steps to configure multicast source port filtering on a port or a group of ports:
To do... Use the command... Remarks
Enter system view system-view —
interface interface-type
interface-number
Enter Ethernet port/OLT port
view or port group view
port-group manual
port-group-name
Required
Use either approach
Enable multicast source port
filtering
igmp-snooping source-deny
Required
Disabled by default
Configuring the Function of Dropping Unknown Multicast Data
Unknown multicast data refers to multicast data for which no entries exist in the IGMP Snooping
forwarding table. When receiving such multicast traffic, the switch floods it in the VLAN,
incurring network bandwidth waste and low forwarding efficiency.
Configuring globally the function of dropping multicast packets
Follow these steps to configure globally the function of dropping multicast packets:
To do... Use the command... Remarks
Enter system view system-view —
Enter IGMP snooping view igmp-snooping —
Enable the function of dropping
multicast packets
drop-unknown
Required
Disabled by default
Configuring the function of dropping unknown multicast data packets in a VLAN
Follow these steps to configure the function of dropping unknown multicast data packets in a
VLAN:
To do... Use the command... Remarks
Enter system view system-view —
Enter VLAN view vlan vlan-id —