lost-measure single-ended proactive

Function

The lost-measure single-ended proactive command enables proactive single-ended frame loss measurement (LM).

The undo lost-measure single-ended proactive command disables proactive single-ended frame LM.

By default, proactive single-ended frame LM is disabled.

Format

lost-measure single-ended proactive [ exp exp-value | interval { 1000 | 10000 } ] ^*

undo lost-measure single-ended proactive

Parameters

Parameter	Description	Value
exp exp-value	Specifies the priority of LMMs.	The value is an integer ranging from 0 to 7. A larger value indicates a higher priority. The default value is 7.
interval	Sets the interval at which LMMs are sent.	The value is either 1000 or 10000, in milliseconds. The default value is 1000.

Parameter

Description

Value

exp exp-value

Specifies the priority of LMMs.

The value is an integer ranging from 0 to 7. A larger value indicates a higher priority. The default value is 7.

interval

Sets the interval at which LMMs are sent.

The value is either 1000 or 10000, in milliseconds. The default value is 1000.

Views

Maintenance entity group view

Default Level

2: Configuration level

Task Name and Operations

Task Name	Operations
tpoam	write

Usage Guidelines

Usage Scenario

Frame loss measurement is a performance monitoring function provided by MPLS-TP OAM. Single-ended frame LM is implemented on two MEPs of an LSP. Measurement results include the following data:

Near-end frame loss data: indicates the number and percentage of dropped frames that are sent from an RMEP to a MEP.
Far-end frame loss data: indicates the number and percentage of dropped frames that are sent from a MEP to an RMEP.
The number of lost frames is the difference between the number of frames sent by the ingress and the number of frames received by the egress on a point-to-point LSP.

Prerequisites

The ME of the MEG has been bound to a tunnel.

The RMEP has been enabled to receive LMMs using the lost-measure single-ended receive enable command.

Precautions

Single-ended frame loss measurement and dual-ended frame loss measurement cannot be enabled together on a MEG.

Example

# Configure a MEG named test to send an LMM at the interval of 10 seconds to perform proactive single-ended frame LM.

<HUAWEI> system-view
[~HUAWEI] mpls
[*HUAWEI-mpls] mpls te
[*HUAWEI-mpls] quit
[*HUAWEI] mpls l2vpn
[*HUAWEI-l2vpn] quit
[*HUAWEI] interface GigabitEthernet 0/1/0.1
[*HUAWEI-GigabitEthernet0/1/0.1] vlan-type dot1q 1
[*HUAWEI-GigabitEthernet0/1/0.1] mpls static-l2vc destination 4.4.4.4 400 transmit-vpn-label 100 receive-vpn-label 200
[*HUAWEI-GigabitEthernet0/1/0.1] quit
[*HUAWEI] mpls-tp meg test
[*HUAWEI-mpls-tp-meg-test] me l2vc peer-ip 4.4.4.4 vc-id 400 vc-type vlan mep-id 1 remote-mep-id 2
[*HUAWEI-mpls-tp-meg-test] lost-measure single-ended proactive interval 10000