display igmp-snooping invalid-packet verbose

Function

The display igmp-snooping invalid-packet verbose command displays detailed information about invalid IGMP Snooping packets.

Format

display igmp-snooping invalid-packet [ packet-number ] verbose

Parameters

Parameter	Description	Value
packet-number	Displays information about the specified number of invalid IGMP Snooping packets latest received.	The value is an integer ranging from 1 to 100. By default, information about all the stored invalid IGMP Snooping packets is displayed.

Parameter

Description

Value

packet-number

Displays information about the specified number of invalid IGMP Snooping packets latest received.

The value is an integer ranging from 1 to 100. By default, information about all the stored invalid IGMP Snooping packets is displayed.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
l2mc	read

Usage Guidelines

Usage Scenario

The display igmp-snooping invalid-packet command displays statistics and information about invalid IGMP snooping packets, helping to locate and rectify faults.

If IGMP Snooping entries cannot be created on a multicast network, you can run the display igmp-snooping invalid-packet command to check whether this fault is caused by invalid IGMP Snooping packets received. If the command output shows that the number of invalid IGMP Snooping packets is not 0, run the display igmp-snooping invalid-packet verbose command to check detailed information about the invalid IGMP Snooping packets for fault location.If the l2-multicast invalid-packet igmp-snooping max-count has been configured and the max-number value differs from the packet-number value in the display igmp-snooping invalid-packet verbose command, detailed information about invalid IGMP Snooping packets is displayed based on the smaller one of the two values.

Example

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

# Display detailed information about the latest two invalid IGMP Snooping packets received.

<HUAWEI> display igmp-snooping invalid-packet 2 verbose
       Detailed information of invalid packets
-----------------------------------------------------
Packet information (Index 1):
-----------------------------------------------------
Interface           :  GigabitEthernet0/1/1
Vlanid              :  10
Time                :  2010-6-1 20:04:35 UTC-08:00
Message Length      :  26
Invalid Type        :  Invalid Multicast Source
Source Address      :  10.0.3.11
0000: 25 00 96 77 01 00 00 20 e1 01 01 01 01 00 e0 00
0010: 00 00 80 00 00 64 00 00 00 00
-----------------------------------------------------

**Table 1** Description of the **display igmp-snooping invalid-packet verbose** command output
Item	Description
Detailed information of invalid packets	Detailed information about invalid packets.
Packet information (Index 1)	Indexes of invalid packets arranged in the reverse order as they are received.
Interface	Interface from which invalid packets are received.
Vlanid	VLAN from which invalid packets are received.
Time	Format of the time when the invalid packets are received: YYYY-MM-DD HH:MM:SS. YYYY-MM-DD HH:MM:SS UTC±HH:MM DST. YYYY-MM-DD HH:MM:SS UTC±HH:MM. YYYY-MM-DD HH:MM:SS DST. The UTC±HH:MM information can be set using the clock timezone command, and the DST information can be set using the clockdaylight-saving-time command.
Message Length	Length of invalid packets.
Invalid Type	Type of invalid packets.
Source Address	Source address of invalid packets.
0000: 25 00 96 77 01 00 00 20 e1 01 01 01 01 00 e0 00 0010: 00 00 80 00 00 64 00 00 00 00	Contents of invalid packets.