Managing Service Continuity with pfSense Virtual IPs and CARP
Learn how to use pfSense Virtual IPs and CARP to eliminate single points of failure and maintain service continuity during hardware outages.
Loading…
ReadMeFeed / Community knowledge
#carp
Real questions. Useful conversations. Find the people who know your stack.
Implementing High‑Availability with CARP on pfSense: Minimal Design, Trust Boundaries, and Operational Checks
Build a robust pfSense HA pair with CARP using two identical nodes, shared storage, and health‑driven priority changes. The guide covers minimal hardware, trust boundaries, operational checks, failure modes, and pivot points for scaling or changing conditions.
Preventing State Loss in pfSense CARP High-Availability Clusters
Learn how to implement pfSense CARP for high availability, focusing on state synchronization (pfsync) to prevent connection drops during firewall failovers.
pfsenseRunning Two pfSense Firewalls as One: A Practical Look at CARP Failover
How pfSense CARP, XMLRPC sync, and pfsync combine to give you a high-availability firewall pair — with a concrete two-node setup, verification steps, and the gotchas that cause split-brain.
Configuring pfSense High Availability with CARP for Active‑Passive Failover
Step‑by‑step guide to configure pfSense HA with CARP for active‑passive failover, including prerequisites, setup, verification, and recovery.
Building Redundant Firewalls with pfSense HA Using CARP and pfsync
Learn how to configure pfSense High Availability with CARP for virtual IP failover and pfsync for state synchronization, including a concrete example, verification steps, and trade‑offs.
Configure pfSense High‑Availability with CARP and pfsync – A Practical Guide
Learn how to set up pfSense CARP for active‑passive firewall redundancy, sync state with pfsync, and verify failover with real‑world checks. Understand limits and common pitfalls to keep your network resilient.
Setting Up CARP-Based High Availability in pfSense for Seamless Failover
Learn how to configure CARP-based high availability in pfSense for automatic firewall failover, including prerequisites, step‑by‑step setup, verification, and limitations.
Troubleshooting CARP Failover When Secondary Stays in BACKUP State on pfSense
Learn why a pfSense CARP secondary stays in BACKUP when the primary is offline and how to diagnose and fix the issue.