High availability

HA Cluster with a /30 CIDR for public IP

Started by NEOSA

Replies: 2
Views: 178

Today at 02:09:36 PM
by Adriggon

CARP with DHCP on WAN

Started by bubbagump

Pages1 2 3

Replies: 30
Views: 69,479

July 06, 2026, 10:01:38 PM
by toreamun

CARP / HA with dual WAN failover

Started by hollyjohn

Replies: 1
Views: 84

July 06, 2026, 05:12:10 PM
by viragomann

HA cluster syncing users & groups

Started by upscale4446

Replies: 2
Views: 195

July 02, 2026, 05:54:57 PM
by upscale4446

Little Confused

Started by viper359

Replies: 13
Views: 7,076

June 23, 2026, 12:12:43 PM
by ak13

HA broken since update to 26.1.9

Started by StephB

Replies: 2
Views: 366

June 12, 2026, 11:44:19 AM
by Monviech (Cedrik)

Updating backup instance

Started by GreenMatter

Replies: 4
Views: 484

June 11, 2026, 02:35:01 PM
by GreenMatter

Multi site HA - question ....

Started by Sandyman

Replies: 1
Views: 907

June 11, 2026, 11:58:40 AM
by davidfnf

HA setup with no WAN CARP IP

Started by klosz007

Replies: 12
Views: 31,243

June 03, 2026, 12:15:48 PM
by bziller

opnsense proxyarp and Neighbors

Started by MohsenB

Pages1 2

Replies: 17
Views: 13,988

May 31, 2026, 02:25:08 PM
by nollsclsh

Not able to manage HA backup firewall through wireguard VPN.

Started by JayST

Replies: 3
Views: 3,354

May 26, 2026, 12:55:46 PM
by relvy

DNSmasq - "DHCP Reply Delay" HA Sync overwrite incorrect?

Started by PlusMinus

Replies: 3
Views: 768

May 08, 2026, 10:00:37 AM
by sirronstuff

Kea DHCP duplicating responses on CARP/VLAN interfaces: Race condition

Started by badyusuke

Replies: 7
Views: 960

May 02, 2026, 02:32:55 AM
by badyusuke

Duplicated data flow

Started by GreenMatter

Replies: 2
Views: 815

April 10, 2026, 03:34:31 PM
by GreenMatter

HA pair with nodes having different default gateway

Started by AriZuu

Replies: 1
Views: 410

April 10, 2026, 01:31:55 PM
by AriZuu

Can interface identifiers be reamapped

Started by Aeration1427

Replies: 4
Views: 6,434

April 08, 2026, 12:46:04 AM
by nero355

Backup FW ignoring CARP for WireGuard Tunnel

Started by davorin

Replies: 4
Views: 1,822

March 30, 2026, 09:39:35 AM
by davorin

CARP VIP link local vs IPv6 communication

Started by GreenMatter

Pages1 2

Replies: 20
Views: 1,939

March 18, 2026, 07:41:36 PM
by GreenMatter

HA Sync causes to stop Kea DHCP service and agent on backup FW

Started by davorin

Replies: 0
Views: 544

March 18, 2026, 09:50:15 AM
by davorin

CARP maintenance mode - not working

Started by GreenMatter

Replies: 4
Views: 4,554

March 12, 2026, 04:23:16 PM
by GreenMatter