Just wondering how many of us use ipv6 for our local hosts, as with my router upgrade, my ISP only allows me to have 253 IP ipv4 addresses (and I don’t want to have to buy a new router/gateway, a 10gbe router/gateway is expensive).
Anyway, do you guys use statically assigned ULA addresses? Statically assigned global addresses? DHCPv6? SLAAC? What do you guys do for DNS resolution, avahi/mdns everywhere (given that ipv6 addresses seem to change all the time).
I’ve currently mostly gotten ipv6 working (dual stack) on machines I touch, my my k3s cluster is out of commission until I can figure out a way to not have them consume any precious ipv4 addresses.
I’m not even sure what prefix I want to choose for the cluster / service CIDR, should I be using a ULA or the one specified https://docs.k3s.io/installation/network-options#dual-stack-ipv4--ipv6-networking, 2001:cafe:42::
The problem I have here is that it’s expensive (and takes up space/power) to run a router that can handle 10gbe – my uplink is 3gbe right now. So it’s either shell out for a beefier router, or work around it.