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 } [ 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.	-
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

# Display information about LDP-related error messages.

<sysname> 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         : GigabitEthernet0/0/10
  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 udp 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	Description of the cause
Interface	Name of an interface that receives the error 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: Unknown Hello KeepAlive Initialization Notification Address Address Withdraw Label Request Label Mapping Label Withdraw Label Release Label Abort Request Capability
Length	Length of the error message
Packet content	Contents of the error message in the binary format