display mld-snooping bas invalid-packet

Function

The display mld-snooping bas invalid-packet command displays statistics about invalid MLD messages on BAS interfaces.

Format

display mld-snooping bas invalid-packet { user-id user-id | all | all-user } [ message-type { report | done | query } ]

Parameters

Parameter	Description	Value
user-id user-id	Displays statistics about invalid MLD messages with a specified user ID on BAS interfaces. user-id specifies the user ID.	The value is an integer ranging from 0 to 4294967295.
all	Displays statistics about invalid MLD messages on BAS interfaces of all users.	-
all-user	Displays statistics about invalid MLD messages on BAS interfaces of each user respectively.	-
message-type	Displays statistics about the invalid MLD messages with a specified message type on BAS interfaces.	-
report	Displays statistics about invalid Report messages on BAS interfaces.	-
done	Displays statistics about invalid Done messages on BAS interfaces.	-
query	Displays statistics about invalid Query messages on BAS interfaces.	-

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
igmp	read

Usage Guidelines

To check statistics about invalid MLD messages on BAS interfaces, run the display mld-snooping bas invalid-packet command. The command output helps determine whether invalid messages cause unsuccessful creation of MLD entries.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display statistics about invalid MLD messages of each user respectively.

<HUAWEI> display mld-snooping bas invalid-packet all-user

           Statistics of invalid packets for user-id 65:
--------------------------------------------------------------------
MLD Snooping General invalid packet:
Fault Length             : 0           Invalid MLD Type         : 0
Bad Checksum             : 0           Fault RouterAlert        : 0

MLD Snooping Query invalid packet:
Invalid Multicast Source : 0           Invalid Multicast Group  : 0

MLD Snooping Done invalid packet:
Invalid MLD Version      : 0           Invalid Multicast Group  : 0

MLD Snooping Report invalid packet:
Invalid MLD Version      : 0           Invalid Multicast Group  : 0
Invalid Multicast Source : 0
--------------------------------------------------------------------

# Display global statistics about invalid MLD messages of all users.

<HUAWEI> display mld-snooping bas invalid-packet all

           Statistics of invalid packets for all users:
--------------------------------------------------------------------
MLD Snooping General invalid packet:
Fault Length             : 0           Invalid MLD Type         : 0
Bad Checksum             : 0           Fault RouterAlert        : 0

MLD Snooping Query invalid packet:
Invalid Multicast Source : 0           Invalid Multicast Group  : 0

MLD Snooping Done invalid packet:
Invalid MLD Version      : 0           Invalid Multicast Group  : 0

MLD Snooping Report invalid packet:
Invalid MLD Version      : 0           Invalid Multicast Group  : 0
Invalid Multicast Source : 0
--------------------------------------------------------------------

# Display statistics about invalid MLD messages of the user with ID 65.

<HUAWEI> display mld-snooping bas invalid-packet user-id 65

           Statistics of invalid packets for user-id 65:
--------------------------------------------------------------------
MLD Snooping General invalid packet:
Fault Length             : 0           Invalid MLD Type         : 0
Bad Checksum             : 0           Fault RouterAlert        : 0

MLD Snooping Query invalid packet:
Invalid Multicast Source : 0           Invalid Multicast Group  : 0

MLD Snooping Done invalid packet:
Invalid MLD Version      : 0           Invalid Multicast Group  : 0

MLD Snooping Report invalid packet:
Invalid MLD Version      : 0           Invalid Multicast Group  : 0
Invalid Multicast Source : 0
--------------------------------------------------------------------

**Table 1** Description of the **display mld-snooping bas invalid-packet** command output
Item	Description
Statistics of invalid packets for all users	Statistics of invalid packets of all users.
MLD Snooping General invalid packet	Statistics about invalid MLD messages.
MLD Snooping Query invalid packet	Statistics about invalid MLD snooping Query messages.
MLD Snooping Done invalid packet	Statistics about invalid MLD snooping Done messages.
MLD Snooping Report invalid packet	Statistics about invalid MLD snooping Report messages.
Fault Length	Number of messages with invalid message length.
Fault RouterAlert	Number of messages with error Router-Alert fields.
Invalid MLD Type	Number of messages with an invalid message type.
Invalid Multicast Source	Number of messages with invalid multicast source addresses.
Invalid Multicast Group	Number of messages with invalid multicast group addresses.
Invalid MLD Version	Number of messages with invalid MLD version information.
Bad Checksum	Number of messages with invalid checksum.