Raymond Ops

May 15, 2025 · Operations

How to Set Up Keepalived Dual‑Host Mode for VIP Failover

This guide demonstrates how to configure keepalived in a dual‑host (master‑master) setup, enabling VIP address migration between two servers by defining two VRRP instances that act as primary and backup for each other, and includes step‑by‑step commands, configuration files, verification procedures, and multicast traffic capture.