display mpls ldp error packet

Function

The display mpls ldp error packet command displays information about LDP-related error messages.

Format

display mpls ldp error packet { tcp | udp | l2vpn } [ number ]

Parameters

Parameter	Description	Value
tcp	Displays information about TCP error messages related to LDP sessions.	-
udp	Displays information about UDP error messages related to LDP sessions.	-
l2vpn	Displays information about L2VPN error messages related to LDP sessions.	-
number	Specifies the number of LDP-related error messages to be displayed.	The value is an integer ranging from 1 to 100.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

If an exception occurs on an MPLS network, run the display mpls ldp error packet command to view information about LDP-related error messages such as the number of received error messages.

Example

# Displays information about error UDP packets related to LDP.

<HUAWEI> display mpls ldp error packet udp

  LDP Error UDP Packet  
  Total received error packet number: 58
  Record error packet number        : 10
  Max Record error packet number    : 10
------------------- Number 1 ----------------------  
  Date&Time         : 2011-11-08 16:39:59+08:00
  Error Reason      : unknown  
  Interface         : Vlanif100
  Instance ID       : 0  
  Message Type      : Hello
  Length            : 34
  Packet content    :
  01 64 00 14 00 00 00 32 04 00 00 04 00 0f 00 00
  04 01 00 04 01 01 01 01 00 00 00 00 00 00 00 00
  00 00

**Table 1** Description of the **display mpls ldp error packet** command output
Item	Description
Total received error packet number	Number of received error messages related to LDP sessions.
Record error packet number	Number of recorded error messages related to LDP sessions.
Max Record error packet number	Maximum number of error messages that can be recorded.
Date&Time	Date and time when an error message was received.
Error Reason	Cause for an error.
Interface	An interface that receives the message.
Instance ID	ID of an LDP instance to which the error message belongs.
Message Type	Message type, which includes but is not limited to the following: Address Address Withdraw Capability Hello Initialization KeepAlive Label Request Label Mapping Label Withdraw Label Release Label Abort Request Notification Unknown
Length	Length of the error message
Packet content	Contents of the error message in the binary format.