Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 1 Multicast Common Configuration
Commands
3Com Corporation
1-3
1.1.4 display multicast forwarding-table
Syntax
display multicast forwarding-table [ group-address [ mask { mask | mask-length } ] |
source-address [ mask { mask | mask-length } ] | incoming-interface { interface-type
interface-number | register } ] *
View
Any view
Parameter
group-address: Multicast group address, used to specify a multicast group, ranging
from 224.0.0.0 to 239.255.255.255.
mask: Mask.
mask-length: Length of mask. Because “1”s in 32-bit mask are required to be
continuous, the mask in dotted decimal notation format can be replaced by mask-length
(mask-length is the number of continuous “1”s in the mask).
source-address: Unicast IP address of the multicast source.
incoming-interface: Incoming interface of the multicast forwarding entry.
register: Register interface of PIM-SM.
Description
Use the display multicast forwarding-table command to view the information of
multicast forwarding table.
source-address and group-address of multicast forwarding table are displayed in
hexadecimal notation format and its incoming and outgoing port numbers are displayed
by virtual port number. This information can be viewed via display pim interface
command.
Related command: display multicast routing-table.
Example
# Display the multicast forwarding table information.
<3Com> display multicast forwarding-table
1.1.5 display multicast routing-table
Syntax
display multicast routing-table [ group-address [ mask { mask | mask-length } ] |
source-address [ mask { mask | mask-length } ] | incoming-interface { interface-type
interface-number | register } ]*