3com S7906E Guide De Référence
1-7
mask: Subnet mask of the multicast group/source address, 255.255.255.255 by default.
mask-length: Subnet mask length of the multicast group/source address. For a multicast source
address, this argument has an effective value range of 0 to 32; for a multicast group address, this
argument has an effective value range of 4 to 32. The system default is 32 in both cases.
Description
Use the display igmp routing-table command to view the IGMP routing table information.
Note that if neither all-instance nor vpn-instance is specified, this command will display the
information on the public instance.
Examples
# View IGMP routing table information in the public instance.
<Sysname> display igmp routing-table
Routing table of VPN-Instance: public net
Total 2 entries
00001. (*, 225.1.1.1)
List of 1 downstream interface
Vlan-interface1 (20.1.1.1),
Protocol: STATIC
00002. (*, 239.255.255.250)
List of 1 downstream interface
Vlan-interface2 (40.20.20.20),
Protocol: IGMP
Table 1-4 display igmp routing-table command output description
Field
Description
Routing table of VPN-Instance: public net
Public network IGMP routing table
00001
Sequence number of this (*, G) entry
(*, 225.1.1.1)
A (*, G) entry of the IGMP routing table
List of 1 downstream interface
Downstream interface list, namely the interfaces
to which multicast data for this group will be
forwarded
to which multicast data for this group will be
forwarded
Protocol Protocol
type
display igmp ssm-mapping
Syntax
display igmp [ all-instance | vpn-instance vpn-instance-name ] ssm-mapping group-address
View
Any view