Realm Host V2 Ha Tunnel May 2026

vrrp_instance VI_1 state MASTER interface eth0 virtual_router_id 51 priority 101 advert_int 1 authentication auth_type PASS auth_pass realmHA2024 virtual_ipaddress 203.0.113.10/24 dev eth0 label eth0:vip track_script chk_realm

Enable and start:

[Unit] Description=Realm Host V2 HA Tunnel After=network-online.target etcd.service keepalived.service [Service] Type=simple User=realm Group=realm ExecStartPre=/bin/mkdir -p /var/log/realm ExecStart=/usr/local/bin/realm -c /etc/realm/config.toml Restart=on-failure RestartSec=10 LimitNOFILE=65536 realm host v2 ha tunnel

Start small: set up the active-passive HA described in this article over a weekend. Once you experience a transparent failover—where your curl command continues streaming data despite one server being yanked offline—you will never go back to standalone tunnels. You will learn what it is, how the

vrrp_script chk_realm script "/usr/local/bin/realm health check --port 8443" interval 2 fall 2 rise 2 You will learn what it is

This article dissects every component of the Realm Host V2 HA Tunnel. You will learn what it is, how the architecture works, step-by-step configuration for active-passive and active-active clusters, and advanced troubleshooting. Before diving into HA tunnels, we must understand the core tool.