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/etc/network/interfaces (on pc)
===================================================
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
auto enp0s25
iface enp0s25 inet static
address 10.0.0.1
netmask 255.255.255.0
dns-nameservers 8.8.8.8
===================================================
/etc/network/interfaces (on pi)
===================================================
pi3:~$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
# Please note that this file is written to be used with dhcpcd
# For static IP, consult /etc/dhcpcd.conf and 'man dhcpcd.conf'
# Include files from /etc/network/interfaces.d:
source-directory /etc/network/interfaces.d
auto lo
iface lo inet loopback
iface eth0 inet manual
auto wlan0
allow-hotplug wlan0
iface wlan0 inet dhcp
wpa-ssid "xxx"
wpa-psk "xxx"
allow-hotplug wlan1
iface wlan1 inet manual
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
===================================================
syslog grep for DHCP
===================================================
Apr 3 15:55:43 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:00:43 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:00:43 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:05:43 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:05:43 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:10:43 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:10:44 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:15:44 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:15:44 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:20:44 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:20:44 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:25:44 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:25:44 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:30:44 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:30:44 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:35:44 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:35:44 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:40:44 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:40:45 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:45:45 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:45:45 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:50:45 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:50:45 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:55:45 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 16:55:45 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:00:45 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:00:45 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:05:45 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:05:45 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:10:45 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:10:46 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:15:46 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:15:46 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:20:10 deansw530 dhclient[30890]: Internet Systems Consortium DHCP Client 4.3.3
Apr 3 17:20:23 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:20:23 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:25:28 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:25:28 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:30:28 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:30:28 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:31:41 deansw530 dhclient[31458]: Internet Systems Consortium DHCP Client 4.3.3
Apr 3 17:31:56 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:31:56 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 via enp0s25
Apr 3 17:36:18 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 via enp0s25
Apr 3 17:36:18 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:41:18 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:41:18 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:46:18 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:46:18 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:51:18 deansw530 dhcpd[22454]: DHCPREQUEST for 10.0.0.200 from b8:27:eb:aa:bc:c9 (pi3) via enp0s25
Apr 3 17:51:19 deansw530 dhcpd[22454]: DHCPACK on 10.0.0.200 to b8:27:eb:aa:bc:c9 (pi3) via enp0s25