Добрый день.
Не подключается по PPP0, модуль WBC-4G
На стабильной версии 2204 тоже самое
/etc/network/interfaces
auto ppp0
iface ppp0 inet ppp
provider mts # можно заменить mts на megafon или beeline
#перезапускаем модем, если он завис
pre-up wb-gsm restart_if_broken
#Ждем, пока он загрузится и найдет сеть.
pre-up sleep 10
journalctl -b0 | grep ppp0
Jul 27 07:22:28 wirenboard-AM3A25UN wb-rules[3201]: Device “ppp0” does not exist.
journalctl -b0 | grep ifup
Jul 27 07:21:37 wirenboard-AM3A25UN systemd[1]: Started ifup for eth0.
Jul 27 07:21:37 wirenboard-AM3A25UN systemd[1]: Started ifup for eth1.
Jul 27 07:21:38 wirenboard-AM3A25UN systemd[1]: Started ifup for wlan0.
ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
link/ether e8:eb:1b:34:91:97 brd ff:ff:ff:ff:ff:ff
3: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
link/ether e8:eb:1b:34:30:6d brd ff:ff:ff:ff:ff:ff
4: sit0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000
link/sit 0.0.0.0 brd 0.0.0.0
5: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether c0:21:0d:4f:b7:d3 brd ff:ff:ff:ff:ff:ff
inet 192.168.42.1/24 brd 192.168.42.255 scope global wlan0
valid_lft forever preferred_lft forever
inet6 fe80::c221:dff:fe4f:b7d3/64 scope link
valid_lft forever preferred_lft forever
6: wlan1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether c2:21:0d:4f:b7:d3 brd ff:ff:ff:ff:ff:ff
7: usb0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 6a:4e:44:50:15:52 brd ff:ff:ff:ff:ff:ff
minicom -D /dev/ttyGSM -b 115200 -8 -a off
AT+CGCONTRDP
+CGCONTRDP: 1,5,“internet.mts.ru”,“10.29.115.176”,“”,“213.87.142.84”,"195.34.320
OK