show ip igmp mrdisc

Displays information about the Internet Group Management Protocol (IGMP) multicast discovery routes. If you do not specify a VRF name or range of VRF IDs, the results show information for the Global Router. If you do specify a VRF name or range of VRF IDs, the results show information only for the VRFs you specify.

Syntax

Command Parameters

vrf WORD<1-16>
Specifies a VRF by name.
vrfids <0-512>
Specifies a VRF by ID.

Default

None

Command Mode

Privileged EXEC

Usage Guidelines

This command is not supported on a node configured as the DvR Leaf within a DvR domain.

Command Output

The show ip igmp mrdisc command displays the following information:

Output field

Description

VLAN ID

Indicates the VLAN ID.

MRDISC

Indicates the status of multicast router discovery.

MAX ADV INTERVAL

Indicates the maximum number (in seconds) between successive advertisements.

MIN ADV INTERVAL

Indicates the minimum number (in seconds) between successive advertisements.

MAX INIT ADV INTERVAL

Indicates the maximum number (in seconds) between successive initial advertisements.

MAX INIT ADV

Indicates the maximum number of initial multicast advertisements after initialization.

NBR DEAD INTERVAL

Indicates the multicast router discovery dead interval — the number of seconds the multicast route neighbors for the switch must wait before assuming that the multicast router is down.

DISCOVERED RTR PORTS

Indicates the ports discovered.