Hi, On Sat, Aug 09, 2014 at 10:59:30AM -0700, Anatol Pomozov wrote: > Hi > > I have a router where I experiment with OpenWRT. I sysupdate (i.e. > reinstall) openwrt regularly, once or twice a week. I also have an > Arch home server with the latest systemd. The machine connected via > ethernet cable. > > Every time I reboot router it looses information about current DHCP > leases and devices need to renew it. All devices (ipads/androids/music > center/..) are able to renew leases, openwrt ui shows valid new dhcp > leases. And only the Arch machine does not. It looks like other dhcp > clients have some kind of heartbeat message and renew leases when the > network is back. But not systemd-resolved. To restore the system back > I need to suspend/wakeup the machine and it is annoying. > > Is it a known issue? Is there any additional information I can provide?
Are you possibly confusing resolved with networkd? The former is for setting up
DNS and is not really needed on a small LAN.
AFAIK, networkd will not renew a lease if DHCP server goes down and then up.
OTOH, why is this a problem: do you have an IP collision after the router is
back up (because another device got your IP)?
Cheers,
--
Leonid Isaev
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