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Dual-Device Backup Configuration
This chapter provides an overview of dual-device backup, describes its configuration and maintenance, and provides a configuration example.
- Overview of Dual-Device Backup
Dual-device backup provides a unified platform for backing up service control data from the master device to the backup device. - Dual-Device Backup Licensing Requirements and Configuration Precautions
- Configuring Manually Triggered Dual-Device ARP Hot Backup in VRRP Scenarios
This section describes how to configure manually triggered dual-device ARP hot backup in VRRP scenarios. - Configuring a Device to Automatically Enable Dual-Device ARP Hot Backup in E-Trunk Scenarios
This section describes how to configure a device to automatically enable dual-device ARP hot backup in E-Trunk scenarios. - Configuring Dual-Device IGMP Snooping Hot Backup in a Master/Backup E-Trunk Scenario
To enable the master device to back up IGMP snooping entries to the backup device in a master/backup E-Trunk scenario, configure dual-device IGMP snooping hot backup. After dual-device IGMP snooping hot backup is configured, multicast services are not interrupted during a master/backup E-Trunk switchover. - Enabling ARP Dual-Device Hot Backup in an E-Trunk Active-Active Scenario
ARP dual-device hot backup is configured. The E-Trunk protocol is configured. Dual-homing PEs on the access side are configured to work in active-active mode. - Configuring Manually Triggered Dual-Device ND Hot Backup
This section describes how to enable dual-device ND hot backup to back up ND entries between devices. This allows fast service switching if a network node or link fails, enhancing service reliability. - Maintaining Dual-Device Backup
This section describes how to maintain dual-device ARP hot backup. - Configuration Examples for Dual-Device Backup
This section provides dual-device backup configuration examples.
