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The original was posted on /r/ubiquiti by /u/HoL1n on 2023-08-20 19:45:54+00:00.

I had a DreamMachine Pro and now active a DreamMachine SE. Both works fine since month. Four weeks ago both DreamMachines are resetting the WAN Port. Means Link down - Link up. The connection is offline for 3 seconds, every 3 hours. I changed the cable ( CAT8.1), GBICs, EMT, no changes. The ISP is not reacting… Here some exports from the syslog:

ubios-udapi-server[2104077]: udhcpc: lease lost, entering init state miniupnpd[1765371]: ioctl(s, SIOCGIFADDR, …): Cannot assign requested address miniupnpd[1765371]: Failed to get IP for interface eth8.132 miniupnpd[1765371]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping miniupnpd[1765371]: PCPSendUnsolicitedAnnounce() IPv6 sendto(): Bad file descriptor ubios-udapi-server[2767]: wan-failover-interfaces: wf-interface-eth8.132 (no-ip) is down [dDDDddd](no ip) ubios-udapi-server[2767]: wireguard-interface: wgsrv1 is reconfiguring due to local address update to ubios-udapi-server[2767]: wireguard-interface: wgsrv1 is configuring (/run/wireguard_wgsrv1.config) (it is disabled due to local IP address is not ready) systemd-networkd[549]: wgsrv1: Link DOWN systemd-networkd[549]: wgsrv1: Lost carrier

Anyone an idea?

Cheers Hol1n