$ systemd-analyze
Startup finished in 31.365s (firmware) + 5.287s (loader) + 16.686s (kernel) + 55.716s (userspace) = 1min 49.056s
graphical.target reached after 55.345s in userspace
$ systemd-analyze blame
$ sudo screen /dev/ttyUSB3 115200
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at
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at+cpin?
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at+cgdcont=1,”ip”,””
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at+csq
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at+cops=?
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MCC
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MNC
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ISP
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466
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11
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中華電信 (CHT)
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466
|
92
|
中華電信 (CHT)
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466
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93
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台灣大哥大
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466
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97
|
台灣大哥大
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466
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99
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台灣電信
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466
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03
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遠傳電信
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466
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01
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遠傳電信
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466
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88
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遠傳電信
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466
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89
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台灣之星
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466
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12
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亞太電信
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466
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12
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亞太電信
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Number
|
Type
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0
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GSM
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7
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CAT-M1
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9
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NB-IoT
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at+cops=1,2,”46692”
at+cgatt?
at+cpsi?
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at+cgnapn
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at+cstt=”internet”
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at+ciicr
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at+cifsr
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at+cipping=”168.95.1.1”
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at+cipstart=”tcp”,”ftp.isu.edu.tw”,21
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# nmcli c up id GSM
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Error: Connection activation failed: No suitable device found for this connection.
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# mv /usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf /usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf_orig
# touch /usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf
# systemctl restart network-manager
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# mmcli -m 0
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--------------------------------
General | dbus path: /org/freedesktop/ModemManager1/Modem/0
| device id: fa2d54b8e3ad72c95e99f28ba51b4ce48565684b
--------------------------------
Hardware | manufacturer: QUALCOMM INCORPORATED
| model: 0
| revision: MPSS.JO.3.0.2.c3-00140-9607_LTEONLY_PACK-1 1 [Feb 01 2018 07:00:00]
| h/w revision: 10000
| supported: gsm-umts, lte
| current: gsm-umts, lte
| equipment id: 865233030789763
--------------------------------
System | device: /sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.3
| drivers: option1, qmi_wwan
| plugin: SimTech
| primary port: cdc-wdm0
| ports: ttyUSB0 (qcdm), ttyUSB2 (at), cdc-wdm0 (qmi), wwan0 (net),
| ttyUSB3 (at)
--------------------------------
Status | lock: sim-pin2
| unlock retries: sim-pin (3), sim-pin2 (3), sim-puk (10), sim-puk2 (10)
| state: registered
| power state: on
| access tech: lte
| signal quality: 94% (recent)
--------------------------------
Modes | supported: allowed: 2g; preferred: none
| allowed: 4g; preferred: none
| allowed: 2g, 4g; preferred: 4g
| allowed: 2g, 4g; preferred: 2g
| current: allowed: 2g, 4g; preferred: 4g
--------------------------------
Bands | supported: egsm, dcs, pcs, g850, eutran-1, eutran-3, eutran-5, eutran-8
| current: egsm, dcs, pcs, g850, eutran-1, eutran-3, eutran-5, eutran-8
--------------------------------
IP | supported: ipv4, ipv6, ipv4v6
--------------------------------
3GPP | imei: 865233030789763
| operator id: 46692
| operator name: 466 92
| registration: home
--------------------------------
3GPP EPS | ue mode of operation: csps-2
--------------------------------
SIM | dbus path: /org/freedesktop/ModemManager1/SIM/0
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# mmcli -m 0 --3gpp-scan --timeout=120
|
---------------------
3GPP scan | networks: 46612 - 466 12 (lte, available)
| 46692 - 466 92 (lte, current)
| 46605 - 466 05 (gsm, forbidden)
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# nmcli c add type gsm ifname "*" con-name GSM apn "internet"
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Connection 'GSM' (e79462c8-d02d-4ae0-b3f4-a08db28087af) successfully added.
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# nmcli c up id GSM
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$ sudo apt remove modemmanager
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$ sudo apt install ppp
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$ cd /etc/ppp
$ vi gprs-connect-chat
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TIMEOUT 15
ABORT "DELAYED"
ABORT "BUSY"
ABORT "ERROR"
ABORT "NO DIALTONE"
ABORT "NO CARRIER"
TIMEOUT 40
'' \rat
OK at+cstt=\"internet\"
OK at+cgatt?
OK at+cpsi?
OK at+ciicr
OK ATD*99***1#
CONNECT
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$ cd /etc/ppp/peers
$ vi gprsdial
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/dev/ttyUSB3
115200
crtscts
modem
debug
nodetach
usepeerdns
noipdefault
defaultroute
0.0.0.0:0.0.0.0
connect '/usr/sbin/chat -s -v -f /etc/ppp/gprs-connect-chat'
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$ sudo pppd call gprsdial
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root@Lawrence-ThinkPad-T420S:/etc/ppp/peers# pppd call gprsdial
timeout set to 15 seconds
abort on (DELAYED)
abort on (BUSY)
abort on (ERROR)
abort on (NO DIALTONE)
abort on (NO CARRIER)
timeout set to 40 seconds
send (^Mat^M)
expect (OK)
^M
DST: 0^M
^M
*PSUTTZ: 19/06/26,08:14:58","+32",0^M
at^M^M
OK
-- got it
send (at+cstt=\"internet\"^M)
expect (OK)
^M
at+cstt="internet"^M^M
OK
-- got it
send (at+cgatt?^M)
expect (OK)
^M
at+cgatt?^M^M
+CGATT: 1^M
^M
OK
-- got it
send (at+cpsi?^M)
expect (OK)
^M
at+cpsi?^M^M
+CPSI: LTE NB-IOT,Online,466-92,0xC8C9,54027119,280,EUTRAN-BAND8,3640,0,0,-9,-59
,-50,20^M
^M
OK
-- got it
send (at+ciicr^M)
expect (OK)
^M
at+ciicr^M^M
OK
-- got it
send (ATD*99***1#^M)
expect (CONNECT)
^M
ATD*99***1#^M^M
CONNECT
-- got it
Script /usr/sbin/chat -s -v -f /etc/ppp/gprs-connect-chat finished (pid 2813), status = 0x0
Serial connection established.
using channel 12
Using interface ppp0
Connect: ppp0 <--> /dev/ttyUSB3
sent [LCP ConfReq id=0x1
rcvd [LCP ConfReq id=0x0
sent [LCP ConfNak id=0x0
rcvd [LCP ConfAck id=0x1
rcvd [LCP ConfReq id=0x1
sent [LCP ConfAck id=0x1
sent [LCP EchoReq id=0x0 magic=0x640f0536]
sent [PAP AuthReq id=0x1 user="Lawrence-ThinkPad-T420S" password=
rcvd [LCP DiscReq id=0x2 magic=0xd41b8a15]
rcvd [LCP EchoRep id=0x0 magic=0xd41b8a15 64 0f 05 36]
rcvd [PAP AuthAck id=0x1 ""]
PAP authentication succeeded
sent [CCP ConfReq id=0x1
sent [IPCP ConfReq id=0x1
rcvd [LCP ProtRej id=0x3 80 fd 01 01 00 0f 1a 04 78 00 18 04 78 00 15 03 2f]
Protocol-Reject for 'Compression Control Protocol' (0x80fd) received
rcvd [IPCP ConfReq id=0x0]
sent [IPCP ConfNak id=0x0
rcvd [IPCP ConfRej id=0x1
sent [IPCP ConfReq id=0x2
rcvd [IPCP ConfReq id=0x1]
sent [IPCP ConfAck id=0x1]
rcvd [IPCP ConfNak id=0x2
sent [IPCP ConfReq id=0x3
rcvd [IPCP ConfAck id=0x3
Could not determine remote IP address: defaulting to 10.64.64.64
not replacing default route to enp0s25 [10.101.47.1]
local IP address 10.169.25.71
remote IP address 10.64.64.64
primary DNS address 168.95.1.1
secondary DNS address 168.95.192.1
Script /etc/ppp/ip-up started (pid 2824)
Script /etc/ppp/ip-up finished (pid 2824), status = 0x0
$ ifconfig ppp0
ppp0: flags=4305
inet 10.169.25.71 netmask 255.255.255.255 destination 10.64.64.64
ppp txqueuelen 3 (Point-to-Point Protocol)
RX packets 9 bytes 382 (382.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 18 bytes 1385 (1.3 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
$ ping 168.95.1.1 -I ppp0 -c 3
PING 168.95.1.1 (168.95.1.1) from 10.169.121.115 ppp0: 56(84) bytes of data.
64 bytes from 168.95.1.1: icmp_seq=1 ttl=248 time=292 ms
64 bytes from 168.95.1.1: icmp_seq=2 ttl=248 time=460 ms
64 bytes from 168.95.1.1: icmp_seq=3 ttl=248 time=267 ms
--- 168.95.1.1 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 267.265/340.248/460.987/85.994 ms
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