hi all, how to configure (switch ) the network interface to ppp link. i have been install and setup ppp config. usb-modeswitch usb-modeswitch-data , ppp pppconfig and add "4gppp0" interface in /etc/network/interfaces then add default gw to ppp0. but it always route to eth0 interface , how to change and configure it ? #route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default 0.0.0.0 0.0.0.0 U 0 0 0 ppp0 10.64.64.64 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 //interfaces allow-hotplug 4gppp0 iface 4gppp0 inet ppp provider 4GLTE #ifconfigure ppp0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST> mtu 1500 inet 10.103.x.x netmask 255.255.255.255 destination 10.64.64.64 ppp txqueuelen 3 (Point-to-Point Protocol) RX packets 125 bytes 7990 (7.8 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 138 bytes 9173 (8.9 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.0.101 netmask 255.255.255.0 broadcast 192.168.0.255 inet6 fe80::ba27:ebff:fe9c:895b prefixlen 64 scopeid 0x20<link> ether b8:27:eb:9c:89:5b txqueuelen 1000 (Ethernet) RX packets 2619 bytes 248234 (242.4 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 2029 bytes 299771 (292.7 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1000 (Local Loopback) RX packets 1121 bytes 261710 (255.5 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 1121 bytes 261710 (255.5 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 HW: RPi 3 Model B ----- Sent from JPTT on my HMD Global Nokia 5.1 Plus. --

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