Dynamic IPv6 | Minimize prefix lifetime / deprecate old prefix on reboot / prevent prefix release

Try to set:

uci set network.wan_ipv6.norelease='1'
uci commit network

This will tell odhcp6c not to release the address when it stops for a reboot. It adds the -k option to the process command line.

Do you get a new prefix if you just unplug the router from the wall instead of a manual reboot?

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