Carp failover

Common Address Redundancy Protocol (CARP) is an automatic failover and redundancy protocol introduced by OpenBSD in October 2003. CARP is designed to share a common IP address among multiple hosts in same network segment in order to provide failover redundancy to …

Aug 07, 2015 CARP + Multi-WAN | Netgate Forum CARP runs active/passive - one primary firewall does all the routing, while the secondary just sits there waiting for a failover. If the primary comes back online after failing, they will "fail back" to the primary (at least as of v2.1.5-RELEASE of pfSense). 2. Yes, in order to use dual firewalls … FreeBSD & Carp – failover and load balancing | Dan Massey

PF: Firewall Redundancy with CARP and pfsync

CARP + Multi-WAN | Netgate Forum

Apr 16, 2004

Combining CARP and pfsync For Failover By combining the features of CARP and pfsync, a group of two or more firewalls can be used to create a highly-available, fully redundant firewall cluster. CARP: Handles the automatic failover of one firewall to another. pfsync: Synchronizes the state table amongst all …