Hi @jyijyi
Thank you for your response. No I did not insert any SIM card, but the ifconfig command shows all these interfaces:
root@swi-mdm9x28-wp:~# ifconfig -a
bridge0 Link encap:Ethernet HWaddr BA:4D:ED:E0:7E:56
inet addr:192.168.225.1 Bcast:192.168.225.255 Mask:255.255.255.0
inet6 addr: fe80::b84d:edff:fedd:7b53/64 Scope:Link
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:76 (76.0 B)
ecm0 Link encap:Ethernet HWaddr 0E:96:02:C8:43:40
inet addr:192.168.2.2 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::c96:2ff:fec8:4340/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:673 errors:0 dropped:0 overruns:0 frame:0
TX packets:326 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:63947 (62.4 KiB) TX bytes:50440 (49.2 KiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:9 errors:0 dropped:0 overruns:0 frame:0
TX packets:9 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:708 (708.0 B) TX bytes:708 (708.0 B)
rmnet0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
UP RUNNING MTU:2000 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:49 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:3292 (3.2 KiB)
rmnet_data0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
[NO FLAGS] MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:49 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:3292 (3.2 KiB)
rmnet_data1 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
[NO FLAGS] MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
rmnet_data2 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
[NO FLAGS] MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
rmnet_data3 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
[NO FLAGS] MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
sit0 Link encap:IPv6-in-IPv4
NOARP MTU:1480 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
wlan0 Link encap:Ethernet HWaddr 3C:E1:A1:E8:C1:A2
inet addr:192.168.1.26 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::3ee1:a1ff:fee8:c1a2/64 Scope:Link
inet6 addr: 2401:4900:1cb1:7c04:3ee1:a1ff:fee8:c1a2/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:34 errors:0 dropped:0 overruns:0 frame:0
TX packets:29 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:5151 (5.0 KiB) TX bytes:3370 (3.2 KiB)
I ran the ping command and in another terminal ran the cm data command:
root@swi-mdm9x28-wp:~# ping www.google.com
PING www.google.com (142.250.196.164): 56 data bytes
64 bytes from 142.250.196.164: seq=0 ttl=59 time=49.026 ms
64 bytes from 142.250.196.164: seq=1 ttl=59 time=30.170 ms
64 bytes from 142.250.196.164: seq=2 ttl=59 time=151.451 ms
64 bytes from 142.250.196.164: seq=3 ttl=59 time=52.413 ms
64 bytes from 142.250.196.164: seq=4 ttl=59 time=28.321 ms
64 bytes from 142.250.196.164: seq=5 ttl=59 time=26.692 ms
64 bytes from 142.250.196.164: seq=6 ttl=59 time=33.810 ms
64 bytes from 142.250.196.164: seq=7 ttl=59 time=52.433 ms
64 bytes from 142.250.196.164: seq=8 ttl=59 time=26.257 ms
64 bytes from 142.250.196.164: seq=9 ttl=59 time=107.853 ms
64 bytes from 142.250.196.164: seq=10 ttl=59 time=25.989 ms
64 bytes from 142.250.196.164: seq=11 ttl=59 time=39.774 ms
64 bytes from 142.250.196.164: seq=12 ttl=59 time=32.129 ms
64 bytes from 142.250.196.164: seq=13 ttl=59 time=28.988 ms
64 bytes from 142.250.196.164: seq=14 ttl=59 time=28.511 ms
64 bytes from 142.250.196.164: seq=15 ttl=59 time=83.135 ms
64 bytes from 142.250.196.164: seq=16 ttl=59 time=55.145 ms
64 bytes from 142.250.196.164: seq=17 ttl=59 time=45.145 ms
64 bytes from 142.250.196.164: seq=18 ttl=59 time=53.389 ms
64 bytes from 142.250.196.164: seq=19 ttl=59 time=44.483 ms
64 bytes from 142.250.196.164: seq=20 ttl=59 time=46.227 ms
64 bytes from 142.250.196.164: seq=21 ttl=59 time=25.517 ms
64 bytes from 142.250.196.164: seq=22 ttl=59 time=25.970 ms
64 bytes from 142.250.196.164: seq=23 ttl=59 time=28.367 ms
64 bytes from 142.250.196.164: seq=24 ttl=59 time=49.157 ms
64 bytes from 142.250.196.164: seq=25 ttl=59 time=25.288 ms
64 bytes from 142.250.196.164: seq=26 ttl=59 time=55.143 ms
64 bytes from 142.250.196.164: seq=27 ttl=59 time=75.464 ms
64 bytes from 142.250.196.164: seq=28 ttl=59 time=54.593 ms
64 bytes from 142.250.196.164: seq=29 ttl=59 time=25.300 ms
64 bytes from 142.250.196.164: seq=30 ttl=59 time=28.135 ms
64 bytes from 142.250.196.164: seq=31 ttl=59 time=29.761 ms
64 bytes from 142.250.196.164: seq=32 ttl=59 time=43.752 ms
64 bytes from 142.250.196.164: seq=33 ttl=59 time=41.734 ms
64 bytes from 142.250.196.164: seq=34 ttl=59 time=34.332 ms
64 bytes from 142.250.196.164: seq=35 ttl=59 time=60.858 ms
64 bytes from 142.250.196.164: seq=36 ttl=59 time=36.470 ms
64 bytes from 142.250.196.164: seq=37 ttl=59 time=37.867 ms
64 bytes from 142.250.196.164: seq=38 ttl=59 time=57.375 ms
64 bytes from 142.250.196.164: seq=39 ttl=59 time=33.315 ms
64 bytes from 142.250.196.164: seq=40 ttl=59 time=30.885 ms
64 bytes from 142.250.196.164: seq=41 ttl=59 time=30.237 ms
64 bytes from 142.250.196.164: seq=42 ttl=59 time=29.726 ms
64 bytes from 142.250.196.164: seq=43 ttl=59 time=30.516 ms
64 bytes from 142.250.196.164: seq=44 ttl=59 time=33.814 ms
64 bytes from 142.250.196.164: seq=45 ttl=59 time=30.326 ms
64 bytes from 142.250.196.164: seq=152 ttl=59 time=82.994 ms
64 bytes from 142.250.196.164: seq=153 ttl=59 time=42.926 ms
64 bytes from 142.250.196.164: seq=154 ttl=59 time=28.252 ms
64 bytes from 142.250.196.164: seq=155 ttl=59 time=44.129 ms
64 bytes from 142.250.196.164: seq=156 ttl=59 time=25.783 ms
64 bytes from 142.250.196.164: seq=157 ttl=59 time=112.490 ms
64 bytes from 142.250.196.164: seq=158 ttl=59 time=45.445 ms
64 bytes from 142.250.196.164: seq=159 ttl=59 time=35.856 ms
64 bytes from 142.250.196.164: seq=160 ttl=59 time=56.713 ms
64 bytes from 142.250.196.164: seq=161 ttl=59 time=29.769 ms
64 bytes from 142.250.196.164: seq=162 ttl=59 time=114.034 ms
64 bytes from 142.250.196.164: seq=163 ttl=59 time=25.743 ms
64 bytes from 142.250.196.164: seq=164 ttl=59 time=48.542 ms
64 bytes from 142.250.196.164: seq=165 ttl=59 time=20.366 ms
output of cm data command before and after the problem (ran at various times, I see the ip is changing):
root@swi-mdm9x28-wp:~# cm data
Index: 1
APN: iot.swir
PDP Type: IPV4V6
Connected: yes
Interface: rmnet_data0
Family[IPv4]: inet
IP[IPv4]: 10.123.197.124
Gateway[IPv4]: 10.123.197.125
Dns1[IPv4]: 8.8.8.8
Dns2[IPv4]: 4.2.2.2
root@swi-mdm9x28-wp:~# cm data
Index: 1
APN: iot.swir
PDP Type: IPV4V6
Connected: yes
Interface: rmnet_data0
Family[IPv4]: inet
IP[IPv4]: 10.123.197.124
Gateway[IPv4]: 10.123.197.125
Dns1[IPv4]: 8.8.8.8
Dns2[IPv4]: 4.2.2.2
root@swi-mdm9x28-wp:~# cm data
Index: 1
APN: iot.swir
PDP Type: IPV4V6
Connected: yes
Interface: rmnet_data0
Family[IPv4]: inet
IP[IPv4]: 10.123.198.243
Gateway[IPv4]: 10.123.198.244
Dns1[IPv4]: 8.8.8.8
Dns2[IPv4]: 4.2.2.2
root@swi-mdm9x28-wp:~# cm data
Index: 1
APN: iot.swir
PDP Type: IPV4V6
Connected: yes
Interface: rmnet_data0
Family[IPv4]: inet
IP[IPv4]: 10.123.200.139
Gateway[IPv4]: 10.123.200.140
Dns1[IPv4]: 8.8.8.8
Dns2[IPv4]: 4.2.2.2
root@swi-mdm9x28-wp:~#
Is there any method to disable to rmnet_data0 interface temporarily?
Here is my interfaces file:
root@swi-mdm9x28-wp:~# cat /etc/network/interfaces
/etc/network/interfaces – configuration file for ifup(8), ifdown(8)
The loopback interface
auto lo
iface lo inet loopback
Wired or wireless interfaces
auto eth0
iface eth0 inet dhcp
Wireless interfaces
iface wlan0 inet manual
pre-up /etc/init.d/tiwifi start
post-down /etc/init.d/tiwifi stop