Optional) Configuring Dm For A Pw - Huawei NetEngine80E Configuration Manual - Reliability

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HUAWEI NetEngine80E/40E Router

Configuration Guide - Reliability

10.3.6 (Optional) Configuring DM for a PW

This section describes how to configure one-way or two-way delay and delay jitter measurement

(DM) to collect reliability statistics of a PW built over a bidirectional LSP.

DM is another performance monitoring function provided by MPLS-TP. Based on delay

information, delay variation (jitter) can be known. At present, two DM modes are supported.

The differences between one-way DM and two-way DM are listed in

Issue 02 (2011-09-10)

One-way DM: In a point-to-point ME, a MEP sends DM packets to its RMEP to carry out

If the clocks of the two MEPs are synchronous, one-way DM can be conducted. If the clocks of the two

MEPs are asynchronous, only two-way DM can be conducted.

Two-way DM: In a point-to-point ME, a MEP sends Delay Measurement Messages

(DMMs) to its RMEP and receives Delay Measurement Replies (DMRs) from the RMEP

to carry out two-way DM.

Huawei Proprietary and Confidential

10 MPLS-TP OAM Configuration

Netengine40e