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I've been running dual-stack for a while and it's pretty painful with the duplicate configuration. I'd love to take the plunge into DNS64/NAT64 but one big thing seems to be missing. Biggest problem with IPv6 is that there is no way to discover the addresses of clients, not even when they run DHCPv6. Leases-to-DNS mapping seems to be a DHCPv4-only feature.

Finding internal clients and services is essential, and I can't add all 200+ clients to static mappings, nor require all clients to run multicastDNS.

Anyone have experience with single-stack IP6, or some solution to local name resolution on IPv6?

First of all, let me just say I'm very happy with OPNsense.

I've got some clients that boot into two modes one of which doesn't send uids, which means they get different IP addresses when they boot.

I'd like to set the

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ignore-client-uids option on dhcpd so it can assign the same IP address always.

Is there any way to add custom options to dhcpd.conf through the ui? Or perhaps an option to do so in future versions?