Can't get internet connection with LTE-M modem
by mobileSIM from LinuxQuestions.org on (#5SW01)
Hello,
I am working with a raspberry pi 3 B (raspberry Pi OS) and the SIM7070G LTE-M modem with a LTE-M SIM card. Configuring the modem via at commands I can get an internet connection and ping e.g. google.com. Now I'm trying to set up a ppp connection on my RPi via the modem. I added the ppp/peers/SIM7070option file and the ppp/SIM7070-chat.dat file. Than I call "pppd call SIM7070option" which adds the ppp0 internet adapter to ifconfig with the following output: Code:ppp0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST> mtu 1500
inet 100.97.4.210 netmask 255.255.255.255 destination 10.64.64.64
ppp txqueuelen 3 (Point-to-Point Protocol)
RX packets 10 bytes 313 (313.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 14 bytes 408 (408.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0The IP routing command give the following output: Code:ip r
default dev ppp0 scope link
10.64.64.64 dev ppp0 proto kernel scope link src 100.97.4.210
route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 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 UM 0 0 0 ppp0I think 10.64.64.64 is just a default address that the Pi gets because it doesn't find a valid end for the ppp connection.
Does anybody work with the same modem and can tell me what configuration I have to change?
Thanks
I am working with a raspberry pi 3 B (raspberry Pi OS) and the SIM7070G LTE-M modem with a LTE-M SIM card. Configuring the modem via at commands I can get an internet connection and ping e.g. google.com. Now I'm trying to set up a ppp connection on my RPi via the modem. I added the ppp/peers/SIM7070option file and the ppp/SIM7070-chat.dat file. Than I call "pppd call SIM7070option" which adds the ppp0 internet adapter to ifconfig with the following output: Code:ppp0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST> mtu 1500
inet 100.97.4.210 netmask 255.255.255.255 destination 10.64.64.64
ppp txqueuelen 3 (Point-to-Point Protocol)
RX packets 10 bytes 313 (313.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 14 bytes 408 (408.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0The IP routing command give the following output: Code:ip r
default dev ppp0 scope link
10.64.64.64 dev ppp0 proto kernel scope link src 100.97.4.210
route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 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 UM 0 0 0 ppp0I think 10.64.64.64 is just a default address that the Pi gets because it doesn't find a valid end for the ppp connection.
Does anybody work with the same modem and can tell me what configuration I have to change?
Thanks