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2 Common Multicast Configuration
In this manual, the term “router” refers to a router in the generic sense or a Layer 3 Ethernet switch
running an IP multicast protocol.
Common Multicast Configuration
Table 2-1 Complete the following tasks to perform common multicast configurations:
Task Remarks
Configuring Suppression on the Multicast
Source Port
Optional
Configuring a Multicast MAC Address Entry Optional
Configuring Dropping Unknown Multicast
Packets
Optional
Configuring Suppression on the Multicast Source Port
Some users may deploy unauthorized multicast servers on the network. This affects the use of network
bandwidth and transmission of multicast data of authorized users by taking network resources. You can
configure multicast source port suppression on certain ports to prevent unauthorized multicast servers
attached to these ports from sending multicast traffic to the network.
Configuring multicast source port suppression in system view
Follow these steps to configure multicast source port suppression in system view:
To do... Use the command... Remarks
Enter system view system-view —
Configure multicast source port
suppression
multicast-source-deny
[ interface interface-list ]
Optional
Multicast source port
suppression is disabled by
default.
Configuring multicast source port suppression in Ethernet port view
Follow these steps to configure multicast source port suppression in Ethernet port view: