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17.1 Legacy Series / Use as HA DNS/DHCP?

« on: February 17, 2017, 09:26:41 pm »

Hi I am wondering if OPNsense can be used solely as a HA DNS/DHCP service provider?  I don't want/need any WAN/LAN routing, I need one interface to be able to carry multiple vlans, and provide DHCP/DNS on unique IP addresses per VLAN.  I'd like to run two instances of OPNsense either in active/active or active/passive, and ensure state is syncing between them for failure protection.  I also need an API to add/remove DNS/DHCP entries.

Bonus points if it can support subdomains, and/or mirror state to an offsite location that can work in sometimes-disconnected format.

Thanks!