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CLI-based Configuration Guide - Reliability

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document provides guidance for configuring reliability services, including interface backup, BFD, VRRP, and EFM.
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Load Balancing Mode

Load Balancing Mode

As shown in Figure 2-2, Interface1 is the primary interface, and Interface2 and Interface3 are backup interfaces. When the load balancing mode is used, the system periodically checks whether the traffic volume is within the allowed range:
  • If the traffic volume of Interface1 exceeds the upper threshold, the backup interface with the highest priority is selected to load balance services together with Interface1.

  • If the load balanced traffic volume still exceeds the upper threshold, the backup interface with the secondary highest priority is selected to load balance services with the preceding two interfaces. This process is repeated until all the backup interfaces transmit traffic.

  • When the traffic volume falls below the lower threshold, the backup interface with the lowest priority participating in load balancing is shut down. This process is repeated until only the primary interface transmits traffic.

Figure 2-2  Interfaces working in load balancing mode

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Updated: 2019-08-12

Document ID: EDOC1100034076

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