3com MSR 20-20 참조 매뉴얼

display multicast [ vpn-instance vpn-instance-name | all-instance ] routing-table 
[ source-address [ mask { mask | mask-length } ]  |  group-address [ mask { mask | 
mask-length } ]  |  incoming-interface { interface-type interface-number | register } | 
outgoing-interface  { { exclude | include | match } { interface-type interface-number | 
register } } ]  *

Any view

vpn-instance-name: VPN instance name, a case sensitive string of up to 31 
characters.

all-instance: Specifies all VPN instances.

source-address: Multicast source address.

group-address: Multicast group address, in the range of 224.0.1.0 to 
239.255.255.255.

mask: Mask of the multicast group/source address, 255.255.255.255 by default.

mask-length: Mask length of the multicast group/source address. For a multicast 
group address, this argument has an effective value range of 4 to 32; for a 
multicast source address, this argument has an effective value range of 0 to 32. 
The system default is 32 in both cases.

incoming-interface: Displays multicast routing entries of which the incoming 
interface is the specified one.

interface-type interface-number: Specifies an interface by its type and number.

register: Specifies the register interface of PIM-SM.

outgoing-interface: Displays multicast routing entries of which the outgoing 
interface is the specified one.

exclude: Displays routing entries of which the OIL excludes the specified interface.

include: Displays routing entries of which the OIL includes the specified interface.

match: Displays routing entries of which the OIL includes only the specified 
interface.

Use the display multicast routing-table command to view the multicast 
routing table information.

# View the routing information in the multicast routing table of the public 
instance.