Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide Chapter 10
3Com Corporation
10-31
Description
Use the ip multicast-fast-forwarding command to enable multicast fast forwarding on
an interface.
Use the undo ip multicast-fast-forwarding command to disable multicast fast
forwarding on an interface. When you configure this command on an interface, all fast
forwarding table entries with this interface as the inbound interface in the cache are
cleared.
Example
# Enable multicast fast forwarding on an interface.
[3Com-Ethernet0/0/0] ip multicast-fast-forwarding
10.3.2 reset ip multicast-fast-forwarding cache
Syntax
reset ip multicast-fast-forwarding cache
View
User view
Parameter
None
Description
Use the reset ip multicast-fast-forwarding cache command to clear the multicast
fast forwarding cache. However, this command does not release the space occupied by
the cache.
Example
# Clear the multicast fast forwarding cache.
<3Com> reset ip multicast-fast-forwarding cache
10.3.3 display ip multicast-fast-forwarding cache
Syntax
display ip multicast-fast-forwarding cache [ multicast-group ]
View
Any view