3Com Switch 7750 Configuration Guide

446 CHAPTER 44: COMMON MULTICAST CONFIGURATION
Three kinds of tables affect data transmission. The correlations of them are:
■ Each multicast routing protocol has its own multicast routing table.
■ The multicast routing information of all multicast routing protocols is
integrated to form the core multicast routing table.
■ The core multicast routing table is consistent with the multicast forwarding
table, which is in really in charge of multicast packet forwarding.
Display the information
about the multicast
routing table
display multicast
routing-table
[ group-address
[ mask { group-mask |
mask-length }] |
source-address
[ mask { group-mask |
mask-length }] |
incoming-interface { interfa
ce-type interface-number |
register }]*
You can execute the display
commanding any view.
Display the information
about the multicast
forwarding table
display multicast
forwarding-table
[ group-address
[ mask { group-mask |
mask-length }] |
source-address
[ mask { group-mask |
mask-length }] |
incoming-interface { interfa
ce-type interface-number ]
register }]*
Display the information
about the multicast
forwarding tables
containing port
information
display mpm
forwarding-table
[ group-address ]
Display the information
about IP multicast groups
and MAC multicast groups
in one VLAN or all the
VLANs on the switch
display mpm group [ vlan
vlan-id ]
Table 359 Display common multicast configuration
Operation Command Description