High availability

OPNsense Firewalls Crashes in HA mode

Started by u63725

Replies: 14
Views: 19,844

October 04, 2020, 11:26:58 PM
by u63725

Dnsmasq - doesn't work for ip4

Started by GreenMatter

Replies: 14
Views: 3,230

March 06, 2026, 09:38:04 AM
by GreenMatter

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

Started by Patrick M. Hausen

Replies: 14
Views: 12,624

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

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

Started by RussM

Pages1 2

Replies: 15
Views: 26,005

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

Only one device fail to connect to internet

Started by vickvohoang

Pages1 2

Replies: 15
Views: 6,616

June 21, 2024, 08:31:00 AM
by bartjsmit

OSPF as IGP for HA

Started by vgstech

Pages1 2

Replies: 16
Views: 7,531

May 08, 2024, 08:21:09 AM
by bimbar

BGP with CARP LAN

Started by duimeziod

Pages1 2

Replies: 17
Views: 12,868

October 23, 2024, 04:42:12 AM
by duimeziod

opnsense proxyarp and Neighbors

Started by MohsenB

Pages1 2

Replies: 17
Views: 13,107

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

CARP OS-FRR timeout after upgrade to rel 25.7.10

Started by rkam

Pages1 2

Replies: 18
Views: 17,852

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

CARP VIP link local vs IPv6 communication

Started by GreenMatter

Pages1 2

Replies: 20
Views: 1,481

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

HA Configuration not syncing to backup server

Started by cdsane

Pages1 2

Replies: 20
Views: 8,292

July 31, 2024, 02:32:32 PM
by cdsane

OpenSens HA Sync Interface

Started by deathnote

Pages1 2

Replies: 21
Views: 11,329

March 05, 2022, 09:28:31 AM
by deathnote

Not all virtual IPs in moving to Master node in a 2 node cluster

Started by Sonderbar

Pages1 2

Replies: 21
Views: 9,703

March 01, 2024, 06:49:27 PM
by mimugmail

Ethernet unplugging does not trigger failover

Started by pinpoint

Pages1 2

Replies: 24
Views: 50,761

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

LAG issue

Started by firewallfun

Pages1 2

Replies: 25
Views: 14,849

December 05, 2024, 11:38:26 PM
by netnut

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

Started by Simon42

Pages1 2

Replies: 26
Views: 31,030

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

CARP with DHCP on WAN

Started by bubbagump

Pages1 2

Replies: 29
Views: 68,256

August 20, 2025, 10:59:21 AM
by dfr

2 OPNsenses same WAN network Broadcast Flood

Started by aeschma

Pages1 2 3

Replies: 34
Views: 34,179

July 14, 2025, 03:35:19 PM
by jfenech

How to do IPv6 with DHCPv6-PD?

Started by bimbar

Pages1 2 3

Replies: 38
Views: 29,869

January 08, 2022, 12:50:55 PM
by Phoenix4

CARP on WAN behaving weirdly...

Started by ghosterius

Pages1 2 3

Replies: 39
Views: 24,437

December 08, 2024, 07:58:23 PM
by ghosterius