Common Multicast Configuration; Enabling Multicast Packet Buffering - 3Com 5500-EI PWR Install Manual

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:

Enabling Multicast Packet Buffering

Enabling Multicast Routing
Configuring Limit on the Number of Routing Entries
Configuring Suppression on the Multicast Source Port
Clearing Multicast Forwarding and Routing Entries
Configuring a Multicast MAC Address Entry
Configuring Dropping Unknown Multicast Packets
Tracing a Multicast Path
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...
Enter system view
Enable multicast packet
buffering
Task
Use the command...
system-view
multicast storing-enable
1
Remarks
Optional
Required
Optional
Optional
Optional
Optional
Optional
Optional
Remarks
—
Optional
By default, this function is
disabled.