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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
Enabling Multicast Packet Buffering Optional
Enabling Multicast Routing Required
Configuring Limit on the Number of Routing Entries Optional
Configuring Suppression on the Multicast Source Port Optional
Clearing Multicast Forwarding and Routing Entries Optional
Configuring a Multicast MAC Address Entry Optional
Configuring Dropping Unknown Multicast Packets Optional
Tracing a Multicast Path Optional
Enabling Multicast Packet Buffering
With the multicast packet buffering feature enabled, multicast packets delivered to the CPU are buffered
while the corresponding multicast forwarding entries are being created and then forwarded out
according to the multicast forwarding entries after entry creation.
This mechanism buffers multicast packets at the price of impact to the CPU and extra memory usage.
Follow these steps to enable multicast packet buffering:
To do... Use the command... Remarks
Enter system view
system-view —
Enable multicast packet
buffering
multicast storing-enable
Optional
By default, this function is
disabled.
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