display igmp-snooping

Function

The display igmp-snooping command displays the IGMP snooping running parameters in a VLAN.

Format

display igmp-snooping [ vsi [ vsi-name ] ]

Parameters

Parameter	Description	Value
vsi [ vsi-name ]	Displays the IGMP snooping running parameters in a specified VSI.	The value is a string of 1 to 31 case-sensitive characters, spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

Usage Scenario

After completing IGMP snooping configuration in a VSI, you can use this command to check IGMP snooping parameter settings. When a fault occurs in the multicast service, use this command to identify the cause of the fault.

Precautions

The IGMP snooping configuration of a VSI is displayed only when the VSI is in Up state.

Example

# Display IGMP snooping running parameters in VSI company1.

<HUAWEI> display igmp-snooping vsi company1
  IGMP Snooping Information for VSI company1
     IGMP Snooping is Enabled
     IGMP Version is Set to default 2
     IGMP Query Interval is Set to default 125s
     IGMP Max Response Interval is Set to default 10s
     IGMP Robustness is Set to default 2
     IGMP Last Member Query Interval is Set to default 1s
     IGMP Router Port Aging Interval is Set to 180s or holdtime in hello
     IGMP Filter Group-Policy is not set
     IGMP Prompt Leave Disable
     IGMP Router Alert is Not Required
     IGMP Send Router Alert Enable
     IGMP Router Port Learning Enable
     IGMP SSM-Mapping Disable

Choose Columns...

**Table 1** Description of the **display igmp-snooping** command output
Item	Description
IGMP Snooping Information for VSI company1	IGMP snooping running parameters are displayed in VSI company1.
IGMP Snooping is Enabled	IGMP snooping is enabled in the VSI. By default, IGMP snooping is disabled in a VSI. IGMP snooping can be enabled in a VSI using the igmp-snooping enable (VSI view) command.
IGMP Version is Set to default 2	Both IGMPv1 and IGMPv2 messages can be processed in the VSI (default configuration). This parameter is configured using the igmp-snooping version command.
IGMP Query Interval is Set to default 125s	The interval at which IGMP General Query messages are sent in the VSI is 125 seconds (default configuration). This parameter is configured using the igmp-snooping query-interval command.
IGMP Max Response Interval is Set to default 10s	The maximum response time for IGMP General Query messages in the VSI is 10 seconds (default configuration). This parameter is configured using the igmp-snooping max-response-time command.
IGMP Robustness is Set to default 2	The IGMP robustness variable is 2 (default configuration). This parameter is configured using the igmp-snooping robust-count command.
IGMP Last Member Query Interval is Set to default 1s	The interval at which IGMP Group-Specific Query messages are sent in the VSI 1 second (default configuration). This parameter is configured using the igmp-snooping lastmember-queryinterval command.
IGMP Router Port Aging Interval is Set to 180s or holdtime in hello	The aging time of router ports in the VSI is 180 seconds or the holdtime in PIM Hello messages (default configuration). This parameter is configured using the igmp-snooping router-aging-time command.
IGMP Filter Group-Policy is not set	The default multicast group policy is used in the VSI. A multicast group policy is configured using the igmp-snooping group-policy command.
IGMP Prompt Leave Disable	Prompt leave is disabled in the VSI (default configuration). The prompt leave function can be enabled using the igmp-snooping prompt-leave command.
IGMP Router Alert is Not Required	The device does not require that the IGMP messages received in the VSI contain the Router-Alert option in the IP header (default configuration). The switch can be configured to discard IGMP messages without the Router-Alert option using the igmp-snooping require-router-alert command.
IGMP Send Router Alert Enable	The device sends the IGMP messages that contain the Router-Alert option in the IP headers to the hosts in the VSI (default configuration). The switch can be configured to send IGMP messages with the Router-Alert option using the igmp-snooping send-router-alert command.
IGMP Router Port Learning Enable	Learning of IGMP router ports is enabled in the VSI. Router port learning can be enabled using the igmp-snooping router-learning command.
IGMP SSM-Mapping Disable	IGMP SSM mapping is disabled in the VSI. IGMP snooping SSM mapping can be enabled using the igmp-snooping ssm-mapping enable command.