High availability

Add 2nd firewall to existing OPNsense network (trying to configure HA)

Started by user290920

Replies: 2
Views: 19,166

September 22, 2025, 05:58:30 PM
by Patrick M. Hausen

Ethernet unplugging does not trigger failover

Started by pinpoint

Pages1 2

Replies: 24
Views: 54,294

September 22, 2025, 03:18:07 PM
by pinpoint

CARP + BSD dhcrelay causes duplicate ACKs – Suggest replacing with ISC dhcrelay

Started by Rookie24

Replies: 3
Views: 16,418

September 15, 2025, 12:04:02 PM
by Marius Rieder

Trouble setting up HA 25.7.3

Started by davidfi01

Replies: 3
Views: 18,396

September 13, 2025, 11:19:40 PM
by davidfi01

2NIC firewall - Should it be WAN/LAN shared or LAN/CARP shared?

Started by user290920

Replies: 5
Views: 15,273

September 12, 2025, 09:09:52 PM
by Patrick M. Hausen

CARP - change gateway status on switch from master/backup

Started by Bubba88

Replies: 1
Views: 7,362

September 10, 2025, 08:04:53 PM
by gene.vigelis@gmail.com

Outbound IP4 traffic blocked on WAN interface of backup system

Started by ajr

Replies: 7
Views: 15,371

September 07, 2025, 04:42:25 PM
by ajr

Unbound on secondary keeps restarting

Started by tofuSCHNITZEL

Replies: 2
Views: 10,436

September 01, 2025, 11:22:15 PM
by tofuSCHNITZEL

Updating firmware on a HA pair, and no outbound comms from secondary unit

Started by RussM

Pages1 2

Replies: 15
Views: 29,143

August 29, 2025, 07:14:36 PM
by kuya1284

The configuration is not synchronized between the primary and backup OPNsense

Started by user31

Replies: 5
Views: 8,338

August 29, 2025, 01:44:35 PM
by Patrick M. Hausen

NAT with CARP not working

Started by fsidler

Replies: 4
Views: 6,496

August 28, 2025, 02:56:59 PM
by Monviech (Cedrik)

HAProxy SNI (Lua)

Started by codeshelldev

Replies: 0
Views: 6,242

August 25, 2025, 06:25:32 PM
by codeshelldev

Kea DHCP + HA + VLAN

Started by lipa2

Replies: 4
Views: 8,467

August 20, 2025, 10:13:25 AM
by lipa2

25.4.2 and new "connection" IPsec tunnel - standby node shows phase 1 active

Started by Patrick M. Hausen

Replies: 14
Views: 13,146

August 12, 2025, 02:56:58 PM
by Patrick M. Hausen

Festure request: HAProxy with UDP support

Started by gctwnl

Replies: 2
Views: 6,574

August 11, 2025, 03:31:43 PM
by cookiemonster

Cannot configure CARP on VLANs

Started by fsidler

Replies: 2
Views: 5,141

August 11, 2025, 01:36:18 PM
by fsidler

CARP/HA on physical Opnsense and Virtual.

Started by byDoks

Replies: 11
Views: 29,002

August 08, 2025, 04:08:24 PM
by dirac1

HA issue with 2 virtual opnsense on the same ESXi

Started by hoangthanhnt

Replies: 0
Views: 5,006

August 05, 2025, 03:57:04 AM
by hoangthanhnt

HA no longer working

Started by cdsane

Replies: 3
Views: 7,097

July 29, 2025, 11:20:50 AM
by cdsane

LAN IP unreachable after CARP failback on VLAN interface

Started by whph87

Replies: 0
Views: 3,837

July 27, 2025, 04:29:27 PM
by whph87