My ISP (comcast) delegates a prefix, my router is passing along the prefix delegation (pd) onto the LAN. My Debian machine is getting the prefix and appending using EUI-64 address. That's nice but not very memorable. I prefer to have an additional "vanity" address within the PD prefix.
- The PD is (e.g., 2601:8:abcd:abcd/64)
- My Linux box autoconfigures eui-64: 2601:8:abcd:abcd:DEAD:BEff:feEF:CAFE (for MAC DE:AD:BE:EF:CA:FE)
What I'd like is to manually create an interface: 2601:8:abcd:abcd::2 as a static global address, but if the Comcast prefix delegation changes, have the interface adopt the new delegated prefix and use the static suffix.