3Com 4210 9-Port Configuration Manual page 288

packets is enabled, the switch will drop any multicast packets whose multicast address is not registered.
Thus, the bandwidth is saved and the processing efficiency of the system is improved.
Table 3-6 Configure dropping unknown multicast packet
Operation
Enter system view
Configure dropping
unknown multicast
packets
Displaying Common Multicast Configuration
After the above-described configuration, you can use the display command in any view to verify the
configuration.
Table 3-7 Display common multicast configuration
Operation
Display the statistics information
about multicast source port
suppression
Display the created multicast
MAC table entries
Command
system-view
unknown-multicast
drop enable
display multicast-source-deny [ interface
interface-type [ interface-number ] ]
display mac-address multicast [ static
{ { { mac-address vlan vlan-id | vlan vlan-id }
[ count ] } | count } ]
3-3
Remarks
—
Required
By default, the function of dropping unknown
multicast packets is disabled.
Command Remarks
These
commands can
be executed in
any view.