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Configuration Guide - Reliability

S1720, S2700, S5700, and S6720 V200R010C00

This document describes the configuration of BFD, DLDP, VRRP, SmartLink, CFM, EFM, Y.1731 and MAC swap loopback to ensure reliability on the device.

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Using VRRP to Implement Load Balancing

Using VRRP to Implement Load Balancing

VRRP active/standby is configured on a gateway to implement gateway redundancy. To reduce the burden of data traffic on the active device, VRRP load balancing can be used to load balance uplink traffic.

Multi-Gateway Load Balancing

Multiple VRRP groups with virtual IP addresses are created, and different VRRP groups are specified as gateways for different users, to implement load balancing.

Figure 4-11  Multi-gateway load balancing
As shown in Figure 4-11, two VRRP groups are configured:
  • VRRP group 1: SwitchA functions as the master and SwitchB as the backup.
  • VRRP group 2: SwitchB functions as the master and SwitchA as the backup.

VRRP groups 1 and 2 are gateways for different user hosts. The VRRP groups load balance traffic and back up each other.

Updated: 2019-12-28

Document ID: EDOC1000141941

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