lost-measure dual-ended enable

Function

The lost-measure dual-ended enable command enables dual-ended frame loss measurement (LM).

The undo lost-measure dual-ended enable command disables dual-ended frame LM.

By default, the dual-ended frame loss measurement (LM) is disabled.

Format

lost-measure dual-ended enable

undo lost-measure dual-ended enable

Parameters

None

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. Dual-ended frame loss measurement is performed on the 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.
Percentage of dropped frames = Number of dropped frames/Number of sent frames during the time specified by interval-value.
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.

Precautions

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

Example

# Enable dual-ended frame LM in a MEG named test.

<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 dual-ended enable