debugging igmp

Function

The debugging igmp command enables IGMP debugging.

The undo debugging igmp command disables IGMP debugging.

By default, IGMP debugging is disabled.

Format

undo debugging igmp { event | leave | report | ssm-mapping | timer }

undo debugging igmp vpn-instance vpn-instance-name { event | leave | report | ssm-mapping | timer }

undo debugging igmp all-instance { event | leave | report | ssm-mapping | timer }

debugging igmp leave [ group Group-addr | interface { port-type port-num | port-name } ] ^*

debugging igmp vpn-instance vpn-instance-name leave [ group Group-addr | interface { port-type port-num | port-name } ] ^*

debugging igmp all-instance leave [ group Group-addr | interface { port-type port-num | port-name } ] ^*

debugging igmp { { event | report | ssm-mapping } [ source Source-addr | group Group-addr | interface { port-type port-num | port-name } ] ^* }

debugging igmp vpn-instance vpn-instance-name { { event | report | ssm-mapping } [ source Source-addr | group Group-addr | interface { port-type port-num | port-name } ] ^* }

debugging igmp all-instance { { event | report | ssm-mapping } [ source Source-addr | group Group-addr | interface { port-type port-num | port-name } ] ^* }

Parameters

Parameter	Description	Value
leave	Leave packet debugging function.	-
group Group-addr	Specifies the address of a multicast group. In batch configuration mode, this parameter specifies the initial address of multicast group addresses.	The value is in dotted decimal notation and ranges from 224.0.0.0 to 239.255.255.255.
interface port-name	Specifies the name of an interface.	-
port-type	Specifies the type of an interface.	-
port-num	Specifies the number of an interface.	-
vpn-instance vpn-instance-name	Specifies the name of a VPN instance.	The value is a string of 1 to 31 case-sensitive characters, spaces not supported. In addition, the VPN instance name must not be _public_. When double quotation marks are used around the string, spaces are allowed in the string.
all-instance	Indicates all instances.	-
event	Event debugging function.	-
report	Report packet debugging function.	-
ssm-mapping	IGMP SM Mapping debugging functions.	-
source Source-addr	Specifies a multicast source.	The value is in dotted decimal notation.
timer	Timer debugging function.	-

Views

User view

Default Level

3: Management level

Task Name and Operations

Task Name	Operations
igmp	debug

Usage Guidelines

Usage Scenario

The debugging igmp event command enables debugging of IGMP events.

The debugging igmp leave command enables debugging of IGMP Leave packets.

The debugging igmp report command enables debugging of IGMP Report packets.

The debugging igmp ssm-mapping command enables debugging of SSM mapping.

The debugging igmp timer command enables debugging of IGMP timers.

IGMP is enabled on at least one interface before the debugging igmp command is run.

Precautions

If debugging of all instances is enabled, debugging of new instances is enabled automatically.

Example

# Enable debugging of IGMP events in public network instances.

<HUAWEI> debugging igmp event

# Enable debugging of IGMP Leave packets in public network instances.

<HUAWEI> debugging igmp leave

# Enable debugging of IGMP timers in public network instances.

<HUAWEI> debugging igmp timer

# Enable debugging of IGMP Report packets in public network instances.

<HUAWEI> debugging igmp report

# Enable debugging of IGMP SSM mapping. In the example, the timer of the IGMPV1 host expires and the group 225.0.0.1 does not support the IGMPV1 host any more.

<HUAWEI> debugging igmp ssm-mapping