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  1. Mr. I have two boards (one with s5p6818-debian-wifiap-sd8g-20171102, and another with Armbian_5.83_Nanopct3plus_Ubuntu_bionic_next_4.14.115_desktop), I do the same experiment: 1- Apply static ip in /etc/network/interfaces like: source /etc/network/interfaces.d/* # Network is managed by Network manager auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 10.1.1.125 netmask 255.255.255.0 network 10.1.1.0 2- Update and upgrade packages from terminal. 3- Apply static ip ethernet on my computer 10.1.1.2 4- Finally: Test connection from board terminal: ping 10.1.1.2 so the output and performance are very different between tow boards: Armbian (there are problems): I've attached the terminal log. Debian (without any problems): debian ping output: 64 bytes from 10.1.1.2 (104.27.115.15): icmp_seq=1 ttl=58 time=1.52 ms 64 bytes from 10.1.1.2 (104.27.115.15): icmp_seq=2 ttl=58 time=0.950 ms 64 bytes from 10.1.1.2 (104.27.115.15): icmp_seq=3 ttl=58 time=1.86 ms 64 bytes from 10.1.1.2 (104.27.115.15): icmp_seq=3 ttl=58 time=1.54 ms 64 bytes from 10.1.1.2 (104.27.115.15): icmp_seq=3 ttl=58 time=1.51 ms 64 bytes from 10.1.1.2 (104.27.115.15): icmp_seq=3 ttl=58 time=1.55 ms 64 bytes from 10.1.1.2 (104.27.115.15): icmp_seq=3 ttl=58 time=1.45 ms So where is the problem? I tried a lot of things without any progress ,thanks in advance.
  2. Thank you for replay, I try armbian-config -> system -> switch to other kernels then asked me to confirm and finally returned to system list without any action !!
  3. I need help please, I am working on NanoPCt3 board based on Armbian_5.83_Nanopct3plus_Ubuntu_bionic_next_4.14.115_desktop I put static ip to eth0 and when i try to ping the output in not stable: 64 bytes from 104.27.115.15 (104.27.115.15): icmp_seq=1 ttl=58 time=580 ms 64 bytes from 104.27.115.15 (104.27.115.15): icmp_seq=2 ttl=58 time=120 ms 64 bytes from 104.27.115.15 (104.27.115.15): icmp_seq=3 ttl=58 time=350 ms and then the output: Destination host unreachable. Destination host unreachable. Destination host unreachable. and i think there are some issues in kernel drivers related on Ethernet or ipv4 so could you please help me to fix Ethernet issue ??