Quick Reference Guide

476 | IP Multicast Commands
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show ip igmp
This command displays the system-wide IGMP information.
Syntax
show ip igmp
Mode
Privileged Exec and User Exec
Example
Figure 25-137. Example of show ip igmp Command Output
Report Fields Admin Mode — This field displays the administrative status of IGMP. This is a configured value. If this
field lists “Disable”, then the interface-specific fields are empty.
Interface — (Unit/Slot/Port) Valid unit, slot and port number separated by forward slashes.
Interface Mode — This field indicates whether IGMP is enabled or disabled on the interface listed on the
left. This is a configured value.
Protocol State — This field indicates the current state of IGMP on this interface. Possible values are
Operational or Non-Operational. For Operational to be displayed:
• The ip igmp command must be configured globally and at the interface.
• IP routing must be enabled globally and at the interface level.
• If IP IGMP is enabled on a VLAN interface, then at least one of the member ports of that VLAN
must be active.
Related
Commands
show ip igmp groups
This command displays the registered multicast groups on the interface. If “detail” is specified this
command displays the registered multicast groups on the interface in detail.
Syntax
show ip igmp groups {unit/slot/port [detail] | 1-3965 [detail]}
Designate either a port (unit/slot/port) or VLAN number (1-3965), and then, optionally, enter detail.
Force10 #show ip igmp
IGMP Admin Mode................................ Enable
IGMP INTERFACE STATUS
Interface Interface Mode Protocol State
--------- --------------- ---------------
1/0/1 Disable Non-Operational
VLAN 4 Enable Operational
ip igmp (global) Sets the administrative mode of IGMP in the router to active.
ip igmp (VLAN) Sets the administrative mode of IGMP for the selected VLAN to active
ip igmp-proxy When used without parameters, this command enables/disables the IGMP Proxy on the
router. When used with the
reset-status keyword, this command resets the host
interface status parameters of the IGMP Proxy router. When used with
unsolicit-report-interval, this command sets the unsolicited report interval for the
IGMP Proxy router.