display mpls ldp vpn-instance

Function

The display mpls ldp vpn-instance command displays information about the LDP protocol and label switching router (LSR) of a specified VPN instance.

Format

display mpls ldp vpn-instance vpn-instance-name

Parameters

Parameter	Description	Value
vpn-instance-name	Displays information about the LDP protocol and LSR of a specified VPN instance.	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.

Parameter

Description

Value

vpn-instance-name

Displays information about the LDP protocol and LSR of a specified VPN instance.

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

Task Name and Operations

Task Name	Operations
mpls-ldp	read

Usage Guidelines

Usage Scenario

After configuring the private network instance running LDP, run the display mpls ldp vpn-instance command to view information about the private network instance running LDP, including the configuration of the GR timer, label distribution, and management mode.

Example

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

# Display the LDP protocol and LSR of the VPN instance named vpn1.

<HUAWEI> display mpls ldp vpn-instance vpn1
LDP Global Information
 --------------------------------------------------------------------------------
 Protocol Version        : V1           Neighbor Liveness    : 60 Sec
 Graceful Restart        : Off          FT Reconnect Timer   : 60 Sec
 MTU Signaling           : On           Recovery Timer       : 60 Sec
                          LDP Instance Information
 --------------------------------------------------------------------------------
 Instance ID             : 1            VPN-Instance         : vpn1
 Instance Status         : Active       LSR ID               : 1.1.1.9
 Hop Count Limit         : 32           Path Vector Limit    : 32
 Loop Detection          : Off
 DU Re-advertise Timer   : 30 Sec       DU Re-advertise Flag : On
 DU Explicit Request     : Off          Request Retry Flag   : On
 Label Distribution Mode : Ordered      Label Retention Mode : Liberal
 Instance Deleting State : No           Instance Reseting State : No 
 --------------------------------------------------------------------------------

**Table 1** Description of the **display mpls ldp vpn-instance** command output
Item	Description
LDP Global Information	Global LDP information.
LDP Instance Information	Information about the LDP multi-instance.
Protocol Version	Protocol version of LDP.
Neighbor Liveness	Timeout period of the GR Neighbor Liveness timer.
Graceful Restart	Whether LDP is enabled with GR: On: GR is enabled. Off: GR is disabled.
FT Reconnect Timer	Timeout period of the GR Reconnect timer.
MTU Signaling	Whether the maximum transmission unit (MTU) signaling is enabled: On: The MTU TLV is supported. Off: The MTU TLV is not supported. On(apply-tlv): The MTU TLV is sent according to relevant standards.
Recovery Timer	Timeout period of the GR Recovery timer.
Instance ID	ID of a VPN instance, which is an integer.
Instance Status	Status of an instance: Active: The instance is in the Active state. NotInService: The instance is in the NotInService state temporarily due to certain operations. For example, after the reset mpls ldp command or the graceful-restart command is used, the instance is unavailable temporarily. Destroy: The instance is in the Destroy state. For example, after the undo mpls ldp command is used, the instance is in the Destroy state.
Instance Deleting State	Whether the instance is deleted.
Instance Reseting State	Whether the instance is reset.
VPN-Instance	Name of a VPN instance, which is null by default.
LSR ID	LSR ID of an LDP instance.
Hop Count Limit	Maximum number of hops in loop detection.
Path Vector Limit	Path vector limit for loop detection.
Loop Detection	Loop detection status: On: Loop detection is enabled. Off: Loop detection is disabled.
DU Re-advertise Timer	DU Re-advertise time value.
DU Re-advertise Flag	Whether DU re-advertisement is enabled: on. off.
DU Explicit Request	Status of sending a DU explicit request.
Request Retry Flag	Status of retransmitting a label request.
Label Distribution Mode	Label distribution mode: Ordered. Independent.
Label Retention Mode	Label retention mode: Liberal. Conservative.