High availability

Control D not resolving when devices use CARP VIP as DNS server

Started by krikkedr

Replies: 0
Views: 1,367

January 30, 2026, 02:41:55 PM
by krikkedr

CARP WAN VIP not reachable

Started by liceo

Replies: 11
Views: 23,818

January 27, 2026, 10:50:34 PM
by chiro

CARP OS-FRR timeout after upgrade to rel 25.7.10

Started by rkam

Pages1 2

Replies: 18
Views: 15,012

January 26, 2026, 09:03:56 PM
by franco

CARP IP not pingable from other SR-IOV virtual function on same host

Started by Simon42

Pages1 2

Replies: 26
Views: 27,865

January 20, 2026, 04:44:35 PM
by bryanw

Weird behavior with CARP failover

Started by Hidigoudi

Replies: 1
Views: 1,753

January 13, 2026, 11:28:18 AM
by Hidigoudi

Strange Behaviour in OPNsense HA Cluster

Started by notc

Replies: 3
Views: 17,552

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

HAProxy not working / starting after brand new plugin install

Started by rohitashs

Replies: 6
Views: 7,188

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

Unexpected CARP transitions: how to troubleshoot cause

Started by JimIFN

Replies: 0
Views: 1,583

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

Permission to enter carp maintenance mode for other groups/users

Started by ctmarc

Replies: 0
Views: 1,510

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

Connectivity from a HA secondary node through VPN on primary node

Started by crlt

Replies: 5
Views: 7,007

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

Packet loss on HA backup firewall

Started by user1234

Replies: 2
Views: 2,578

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: 11,535

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: 15,100

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: 12,404

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

Certificates don't sync anymore

Started by ChrisH

Replies: 1
Views: 10,275

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: 7,502

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: 8,451

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: 19,117

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: 8,206

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

Failover WAN

Started by Peter847

Replies: 1
Views: 9,996

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