> I note that the file /tmp/state/network contains the interface, ip address,
> and expiration time of the WAN DHCP lease... I'm wondering what's
> involved in writing that information into somewhere persistent where it
> can be reused on reboot?
You may want to start by replacing the /var symlink to /tmp by
a real directory. OpenWRT should be using the /var/state/network
filename, so after performing the above change, the file will be
preserved across reboots. If not, report it as a bug.
I'm not sure if OpenWRT will later start udhcpd in such a way as to take
advantage of this pre-existing file, but that's a second step.
Stefan
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