I just got a 4th gen Time Capsule for my wife to use as her own backup server, and I'm potentially interested in using it as the main router and Wifi AP on my home network. My current router and AP is running OpenWrt and I'm used to it providing several useful services. Can the Airport/Time Capsule provide enough functionality?
I see that it can take a list of MAC addresses and reserve IP addresses for each in its DHCP config. I can also set up arbitrary TCP and UDP port forwarding although not other protocols :-/. But what about local DNS?
My OpenWrt router is configured to be a caching recursive DNS resolver for the local network, and to inject a few records in the results for static assignments I've made (that go along with static DHCP assignments) for various hosts on the local network.
I don't want to hear anything about how Bonjour/mDNS should be the answer to all my problems. It isn't.
I suspect the answer is no (that's too complicated to be "Appley"), and that I'll need to leave the OpenWrt box as the router, and simply add the Time Capsule to the LAN, maybe also serving 5GHz Wifi.