High availability

HA setup with no WAN CARP IP

Started by klosz007

Replies: 8
Views: 20,365

January 04, 2026, 10:50:39 PM
by olmari

Strange Behaviour in OPNsense HA Cluster

Started by notc

Replies: 3
Views: 13,691

December 31, 2025, 01:28:36 PM
by iqt4

HAProxy not working / starting after brand new plugin install

Started by rohitashs

Replies: 6
Views: 4,028

December 19, 2025, 06:02:16 PM
by rohitashs

Unexpected CARP transitions: how to troubleshoot cause

Started by JimIFN

Replies: 0
Views: 328

December 19, 2025, 05:20:04 AM
by JimIFN

CARP WAN VIP not reachable

Started by liceo

Replies: 10
Views: 18,527

December 12, 2025, 11:43:14 AM
by ctmarc

Permission to enter carp maintenance mode for other groups/users

Started by ctmarc

Replies: 0
Views: 238

December 12, 2025, 11:25:25 AM
by ctmarc

CARP Backup Interface holds virtual IP

Started by mattes3344

Replies: 0
Views: 255

December 12, 2025, 08:30:18 AM
by mattes3344

Connectivity from a HA secondary node through VPN on primary node

Started by crlt

Replies: 5
Views: 4,426

December 07, 2025, 06:12:12 PM
by crlt

Packet loss on HA backup firewall

Started by user1234

Replies: 2
Views: 914

December 06, 2025, 06:51:21 PM
by user1234

HA setup is flapping between primary and backup devices

Started by Tanker_UA

Replies: 1
Views: 9,141

November 21, 2025, 09:25:06 PM
by Tanker_UA

Web UI to virtual IP keeps switching between primary and backup

Started by litebit

Replies: 5
Views: 12,600

November 17, 2025, 02:15:33 PM
by Tanker_UA

Red Square in /ui/core/hasync_status on OpenVPN instances but sync seems fine

Started by Zugschlus

Replies: 9
Views: 9,991

November 07, 2025, 04:37:05 PM
by Zugschlus

Certificates don't sync anymore

Started by ChrisH

Replies: 1
Views: 8,050

November 07, 2025, 10:32:54 AM
by franco

How to do high availability on DHCPv6-PD + DS-Lite?

Started by GrapplingHero

Replies: 0
Views: 5,929

October 28, 2025, 04:03:15 PM
by GrapplingHero

How to avoid asymmetric routing when connecting to backup router?

Started by GrapplingHero

Replies: 1
Views: 6,534

October 24, 2025, 04:55:16 PM
by viragomann

Unable to access internet after CARP HA configuration, but NAT working.

Started by 469

Replies: 5
Views: 15,379

October 24, 2025, 01:43:07 AM
by elie

OPNsense HA CARP – Backup node never becomes MASTER, primary continuou crashes

Started by Peter_Lanser

Replies: 0
Views: 6,323

October 14, 2025, 04:16:38 PM
by Peter_Lanser

Failover WAN

Started by Peter847

Replies: 1
Views: 7,949

October 13, 2025, 07:26:48 PM
by Maurice

HA Sanity Check - Not worth it for me, right?

Started by Linwood

Replies: 0
Views: 10,373

October 03, 2025, 08:26:12 PM
by Linwood

VIP ARP issue

Started by bugleboy

Replies: 0
Views: 7,315

October 02, 2025, 04:13:52 PM
by bugleboy