Switch 7700 Configuration Guide

122 CHAPTER 6: MULTICAST PROTOCOL
Common Multicast
Configuration
Common multicast configuration includes:
■ Enabling multicast
Enabling Multicast
Enable multicast first before enabling the multicast routing protocol. Enabling
multicast will automatically enable IGMP operation on all interfaces.
Perform the following configuration in system view.
By default, multicast routing is disabled.
CAUTION: Only when multicast is enabled can another multicast configuration be
used.
Display and Debug
Common Multicast
Configuration
After the above configuration, execute the display command to view the
multicast configuration, and verify the configuration.
Execute debugging command in user view for the debugging of multicast.
Tab le 11 Enabling Multicast
Operation Command
Enable multicast multicast routing-enable
Disable multicast undo multicast routing-enable
Tab le 12 Display and Debug Common Multicast Configuration
Operation Command
Display the multicast routing
table
display multicast routing-table [ group-address [ mask {
mask | mask-length } ] | source-address [ mask { mask |
mask-length } ] | incoming-interface { interface-type
interface-number | register } ]*
Display the multicast
forwarding table
display multicast forwarding-table [ group-address [ mask
{ mask | mask-length } ] | source-address [ mask { mask |
mask-length } ] | incoming-interface { interface-type
interface-number | register } ]*
Display the RPF routing
information
display multicast rpf-info source-address
Display the multicast virtual
interface information
display multicast vif
Enable multicast packet
forwarding debugging
debugging multicast forwarding
Disable multicast packet
forwarding debugging
undo debugging multicast forwarding
Enable multicast forwarding
status debugging
debugging multicast-status forwarding
Disable multicast forwarding
status debugging
undo debugging multicast-status forwarding
Enable multicast kernel
routing debugging
debugging multicast kernel-routing
Disable multicast kernel
routing debugging
undo debugging multicast kernel-routing