<div dir="ltr"><div><div><div><div><div><div><div><div><div><div><div>Good day every body<br><br></div>I use linux 4.9 (centos 7 ) :<br><br></div>I have MC7354 sierra wireless modem and i want to do lte connection with Verizon network :<br></div>First i does this to change to qmi mode .<br><br>Welcome to minicom 2.6.2<br><br>OPTIONS: I18n <br>Compiled on Jun 10 2014, 03:20:53.<br>Port /dev/ttyUSB2, 06:12:58<br><br>Press CTRL-A Z for help on special keys<br><br>AT                                      <br>OK                                      <br>AT!ENTERCND="A710"                      <br>OK                                      <br>AT!UDUSBCOMP=?                          <br>0  - reserved                                     NOT SUPPORTED<br>1  - DM   AT                                      SUPPORTED<br>2  - reserved                                     NOT SUPPORTED<br>3  - reserved                                     NOT SUPPORTED<br>4  - reserved                                     NOT SUPPORTED<br>5  - reserved                                     NOT SUPPORTED<br>6  - DM   NMEA  AT    QMI                         SUPPORTED<br>7  - DM   NMEA  AT    RMNET1 RMNET2 RMNET3        SUPPORTED<br>8  - DM   NMEA  AT    MBIM                        SUPPORTED<br>9  - MBIM                                         SUPPORTED<br>10 - NMEA MBIM                                    SUPPORTED<br>11 - DM   MBIM                                    SUPPORTED<br>12 - DM   NMEA  MBIM                              SUPPORTED<br>13 - Config1: comp6    Config2: comp8             NOT SUPPORTED<br>14 - Config1: comp6    Config2: comp9             SUPPORTED<br>15 - Config1: comp6    Config2: comp10            NOT SUPPORTED                        <br>16 - Config1: comp6    Config2: comp11            NOT SUPPORTED                        <br>17 - Config1: comp6    Config2: comp12            NOT SUPPORTED                        <br>18 - Config1: comp7    Config2: comp8             NOT SUPPORTED                        <br>19 - Config1: comp7    Config2: comp9             SUPPORTED                            <br>20 - Config1: comp7    Config2: comp10            NOT SUPPORTED<br>21 - Config1: comp7    Config2: comp11            NOT SUPPORTED<br>22 - Config1: comp7    Config2: comp12            NOT SUPPORTED<br><br><br>OK<br>AT!UDUSBCOMP=6<br>OK<br>AT!UDUSBCOMP?<br>!UDUSBCOMP: 6<br><br>OK<br>AT!RESET<br>OK<br><br></div>then i does reboot<br></div>Then  i does this <br><br>1. Create profile 1 with AT command<br>AT+CGDCONT=1,"IPV4V6","vzwims","0.0.0.0",0,0,0,0<br><br>2. Create profile #3<br>AT+CGDCONT=3,"IP","wexx.vzwstatic","0.0.0.0",0,0,0,0<br><br></div>i got this<br>Welcome to minicom 2.6.2<br><br>OPTIONS: I18n <br>Compiled on Jun 10 2014, 03:20:53.<br>Port /dev/ttyUSB2, 06:21:14<br><br>Press CTRL-A Z for help on special keys<br><br>AT                                      <br>OK                                      <br>AT+CGDCONT?                             <br>+CGDCONT: 1,"IPV4V6","vzwims","0.0.0.0",0,0<br>+CGDCONT: 3,"IP","we01.vzwstatic","0.0.0.0",0,0<br>                                        <br>OK                                      <br>at+cgcontrdp                            <br>OK  <br><br><br><br></div>there is no ip address using  at+cgcontrdp <br></div>and then <br>[root@localhost ~]# qmicli -d /dev/cdc-wdm0 --wda-set-data-format=802-3<br>[/dev/cdc-wdm0] Successfully set data format<br>                        QoS flow header: no<br>                    Link layer protocol: '802-3'<br>       Uplink data aggregation protocol: 'disabled'<br>     Downlink data aggregation protocol: 'disabled'<br>                          NDP signature: '0'<br>Downlink data aggregation max datagrams: '0'<br>     Downlink data aggregation max size: '0'<br><br><br>[root@localhost ~]# qmi-network /dev/cdc-wdm0 start<br>Loading profile at /etc/qmi-network.conf...<br>    APN: wexx.vzwstatic<br>    APN user: unset<br>    APN password: unset<br>    qmi-proxy: no<br>Checking data format with 'qmicli -d /dev/cdc-wdm0 --wda-get-data-format '...<br>Device link layer protocol retrieved: 802-3<br>Getting expected data format with 'qmicli -d /dev/cdc-wdm0 --get-expected-data-format'...<br>Expected link layer protocol retrieved: 802-3<br>Device and kernel link layer protocol match: 802-3<br>Starting network with 'qmicli -d /dev/cdc-wdm0 --wds-start-network=apn='wexx.vzwstatic'  --client-no-release-cid '...<br>error: couldn't start network: QMI protocol error (64): '(null)'<br>Saving state at /tmp/qmi-network-state-cdc-wdm0... (CID: 9)<br>error: network start failed, no packet data handle<br>Clearing state at /tmp/qmi-network-state-cdc-wdm0...<br><br></div>i can t connect <br></div>can any one tell me what is wrong <br><br></div>thanks for all<br></div>