1. F

    sync interface for pfSense CARP HA cluster

    Hi, I am thinking to add 2 mini pc nodes with dual NICs and create my first ever proxmox cluster. I am already running pfSense on my single node. to do HA on pfSense, you need a sync interface. This would mean that I need 3 network interfaces: WAN, LAN and Sync Since I have only 2 NICs...
  2. U

    ESXi->Proxmox, 1G->10G Planning

    Hi, i want to migrate from ESXi (Essentials) to Proxmox and while there i'm thinking about switching to 10G for the main cluster. Reasons: - replication/migration for Proxmox goes faster (only needed for 2-4 VMs right now) - i use CARP for failover alot, so there are machines running on both...
  3. Dunuin

    [SOLVED] Allow MAC spoofing?

    Hi, For a virtualized HA OPNSense I need CARP and that needs the virtio NIC to be able to use MAC spoofing and I've read that I need to make sure that the hypervisor allows it (example was esxi). Is this allowed by default or can I somehow enable it? I wasn't able to find an option in the GUI...
  4. O

    [SOLVED] Proxmox + Pfsense CARP not working

    Hello, I am trying to configure a HA with 2 Pfsense VMs hosted on 2 physical proxmox servers. Everything works well, excepted I am facing a problem to configure a public CARP IP on Pfsense VMs. Every public CARP IP created can not be accessed outside Pfsense network. Then both Pfsense VM are...
  5. G

    OPNsense CARP/MacSpoofing issues

    Ì'm having some issues with macspoofing on Proxmox as my CARP Master/Backup VIP's are flapping in state between the servers and stay that way they are set. I have checked: Disable hardware checksum offload Disable hardware TCP segmentation offload Disable hardware large receive offload...
  6. R

    OpenVSwitch, pfSense and CARP

    Hello everyone, for HA of some services I'm trying to setup two pfSense-Firewalls on two different Hosts which are connected via a vRack at OVH. The network is configured on top of OpenVSwitch with several VLANs which are working great between the cluster-nodes, except for the CARP of the...


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