4000 Router Series IP Multicast Command Reference

Parameters

group-address: Specifies a multicast group by its IP address in the range of 224.0.1.0 to

239.255.255.255. If no multicast group is specified, this command displays information about the

dynamic IGMP snooping forwarding entries for all multicast groups.

source-address: Specifies a multicast source by its IP address. If no multicast source is specified, this

command displays information about the dynamic IGMP snooping forwarding entries for all multicast

sources.

vlan vlan-id: Specifies a VLAN. The value range for the vlan-id argument is 1 to 4094. If no VLAN is

specified, this command displays information about the dynamic IGMP snooping forwarding entries for

all VLANs.

verbose: Displays detailed information.

slot slot-number: Specifies a card by its slot number. If no card is specified, this command displays

information about the dynamic IGMP snooping forwarding entries on the MPU. (MSR4000.)

Examples

# Display information about the dynamic IGMP snooping forwarding entries in VLAN 2.

<Sysname> display igmp-snooping group vlan 2

Total 1 entries.

VLAN 2: Total 1 entries.

(0.0.0.0, 224.1.1.1)

Host slots (1 in total):

Host ports (1 in total):

Eth1/2 (00:03:23)

Table 2 Command output

Field Descri

tion

Total 1 entries Total number of dynamic IGMP snooping forwarding entries.

VLAN 2: Total 1 entries Total number of dynamic IGMP snooping forwarding entries in VLAN 2.

(0.0.0.0, 224.1.1.1)

(S, G) entry. If the multicast source is not specified, the field in the S position

displays 0.0.0.0.

Host slots (1 in total) Total number of cards where member ports reside and the slot IDs of the cards.

Host ports (1 in total) Total number of member ports and the port list.

(00:03:23)

Remaining time of the aging timer for the dynamic member port.

On the MSR4000 router, to display the remaining time for a port that is not on the

MPU, you must specify the slot slot-number option.

Related commands

reset igmp-snooping group

display igmp-snooping router-port

Use display igmp-snooping router-port to display information about dynamic router ports.