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Configuration Guide - Reliability

CloudEngine 12800 and 12800E V200R002C50

This document describes the configurations of Reliability, including BFD Configuration, VRRP Configuration, DLDP Configuration, Smart Link and Monitor Link Configuration, EFM Configuration, and CFM Configuration.
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Overview of EFM

Overview of EFM

Ethernet in the First Mile (EFM) effectively improves Ethernet management and maintenance capabilities and ensures the stable operation of networks.

Easy-to-use Ethernet techniques support good bandwidth extensibility on low-cost hardware. With these advantages, Ethernet services and structures are the first choice for many enterprise networks. The increasing popularity of Ethernet applications encourages operators to use improved Ethernet operation, administration, and maintenance (OAM) functions to maintain and operate Ethernet networks.

Figure 6-1 Networking diagram for EFM

As shown in the Figure 6-1, EFM is a type of link-level OAM technology and defines the specifications of the Ethernet physical layer and OAM used for links between the access layer and aggregation layer. EFM provides link connectivity detection, link fault monitoring, and remote loopback for a link between two directly connected devices.

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Updated: 2019-03-21

Document ID: EDOC1000166606

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