# How to make a data connection in Linux platform for WP76XX **URL:** \ **Category:** WP Series\ **Created:** [January 14, 2021, 2:50am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568 "2021-01-14T02:50:10Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![ShXiao](https://avatars.discourse-cdn.com/v4/letter/s/f1d935/32.png) [@ShXiao](https://forum.sierrawireless.com/u/ShXiao)\ **Post date:** [January 14, 2021, 2:50am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/1 "2021-01-14T02:50:10Z")
Hi, I want to enable QMAP on WP76XX. But I am blocked by making a data connection in Linux platform, no matter on Ubuntu 16.04 or Pi(4.19.66-v7+).And Gobi driver is S2.42N2.64. QMAP is enabled by AT!NETNUM command. gobi-0-0 and gobi-0-1 are enumerated. But I can’t make a data connection successfully by AT!SCACT command or ‘dhclient gobi-0-0’. Anyone can help on this? ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [January 14, 2021, 3:15am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/2 "2021-01-14T03:15:31Z")
can you paste the dmesg ? What is the return of the following? AT!GSTATUS? AT+CGDCONT? AT!SCACT=1,1 ---
**Author:** ![ShXiao](https://avatars.discourse-cdn.com/v4/letter/s/f1d935/32.png) [@ShXiao](https://forum.sierrawireless.com/u/ShXiao)\ **Post date:** [January 14, 2021, 6:16am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/3 "2021-01-14T06:16:42Z")
Hi Jyijyi， Please see check results. ATI3 Manufacturer: Sierra Wireless, Incorporated Model: WP7607-2 Revision: SWI9X07Y\_02.37.03.00 73df45 jenkins 2020/04/08 10:59:14 IMEI: 359781080000252 IMEI SV: 14 FSN: VQ738570011002 +GCAP: +CGSM OK ATI8 Legato Ver: 19.11.1\_b573da4376cbd9a3e348ac6432151b7e Yocto Ver: SWI9X07Y\_02.37.03.00 2020-04-08\_13:07:02 OS Ver: Linux version 3.18.140 (oe-user@oe-host) (gcc version 7.3.0 (GCC) ) #1 PREEMPT Wed Apr 8 12:26:41 UTC 2020 LK Ver: SWI9X07Y\_02.37.03.00 RootFS Ver: SWI9X07Y\_02.37.03.00 2020-04-08\_13:07:02 UserFS Ver: unknown MCU Ver: unknown OK AT!GSTATUS? !GSTATUS: Current Time: 9478 Temperature: 26 Modem Mitigate Level: 0 ModemProc Mitigate Level: 0 Reset Counter: 3 Mode: ONLINE System mode: LTE PS state: Attached IMS reg state: UNKNOWN IMS mode: Not Support IMS Srv State: UNKNOWN SMS,UNKNOWN VoIP LTE band: B3 LTE bw: 20 MHz LTE Rx chan: 1850 LTE Tx chan: 19850 LTE CA state: INACTIVE EMM state: Registered Normal Service RRC state: RRC Idle PCC RxM RSSI: -55 RSRP (dBm): -89 PCC RxD RSSI: -82 RSRP (dBm): -119 Tx Power: – TAC: 7721 (30497) RSRQ (dB): -13 Cell ID: 077F5F35 (125787957) SINR (dB): -2.6 OK AT+CGDCONT? +CGDCONT: 1,“IP”,“internet”,“0.0.0.0”,0,0,0,0 +CGDCONT: 2,“IP”,“ims”,“0.0.0.0”,0,0,0,0 +CGDCONT: 3,“IPV4V6”,“3gnet”,“0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0”,0,0,0,0 OK AT+CGPADDR +CGPADDR: 1,10.167.56.93 +CGPADDR: 2,0.0.0.0 +CGPADDR: 3,0.0.0.0,0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 OK AT+COPS? +COPS: 0,0,"",7 OK AT!SCACT=1,1 OK AT!SCACT? !SCACT: 1,1 !SCACT: 2,0 !SCACT: 3,0 OK After AT!SCACT=1,1, the network flag in my Pi would show “eth1: Link is up, configuring” ---
**Author:** ![ShXiao](https://avatars.discourse-cdn.com/v4/letter/s/f1d935/32.png) [@ShXiao](https://forum.sierrawireless.com/u/ShXiao)\ **Post date:** [January 14, 2021, 6:19am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/4 "2021-01-14T06:19:12Z")
BTW, it works well in Windows host with AT!SCACT command. ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [January 14, 2021, 6:38am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/5 "2021-01-14T06:38:56Z")
I think there is no problem on module side. can you paste the dmesg of ubuntu? ---
**Author:** ![ShXiao](https://avatars.discourse-cdn.com/v4/letter/s/f1d935/32.png) [@ShXiao](https://forum.sierrawireless.com/u/ShXiao)\ **Post date:** [January 14, 2021, 7:13am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/6 "2021-01-14T07:13:57Z")
Sure. Please see it below: [2.883484] usb 1-1.4: new full-speed USB device number 6 using dwc\_otg [2.973638] systemd-journald[105]: Received request to flush runtime journal from PID 1 [3.082004] usb 1-1.4: new high-speed USB device number 7 using dwc\_otg [3.217643] usb 1-1.4: config 1 has an invalid interface number: 8 but max is 3 [3.217662] usb 1-1.4: config 1 has no interface number 1 [3.225649] usb 1-1.4: New USB device found, idVendor=1199, idProduct=68c0, bcdDevice= 3.18 [3.225669] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [3.225679] usb 1-1.4: Product: Sierra Wireless WP7607-2 [3.225688] usb 1-1.4: Manufacturer: Sierra Wireless, Incorporated [3.225698] usb 1-1.4: SerialNumber: VQ73857001100216 [3.426149] GobiNet: loading out-of-tree module taints kernel. [3.452825] GobiNet: 2020-08-17/SWI\_2.64 [3.459804] GobiNet 1-1.4:1.8 eth1: register ‘GobiNet’ at usb-3f980000.usb-1.4, GobiNet Ethernet Device, b6:be:e3:7c:ad:08 [3.460060] QMAP Enabled [3.464510] USB Speed : USB 2.0 [3.464790] usbcore: registered new interface driver GobiNet [3.478516] usbcore: registered new interface driver usbserial\_generic [3.478590] usbserial: USB Serial support registered for generic [3.490221] usbcore: registered new interface driver GobiSerial [3.490303] usbserial: USB Serial support registered for GobiSerial [3.492165] GobiSerial 1-1.4:1.0: GobiSerial converter detected [3.492650] usb 1-1.4: GobiSerial converter now attached to ttyUSB0 [3.493733] GobiSerial 1-1.4:1.2: GobiSerial converter detected [3.494263] usb 1-1.4: GobiSerial converter now attached to ttyUSB1 [3.496069] GobiSerial 1-1.4:1.3: GobiSerial converter detected [3.496554] usb 1-1.4: GobiSerial converter now attached to ttyUSB2 [3.496743] GobiSerial: 2020-08-17/SWI\_2.42:GobiSerial [3.840184] snd\_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [3.842519] vc\_sm\_cma: module is from the staging directory, the quality is unknown, you have been warned. [3.846437] bcm2835\_vc\_sm\_cma\_probe: Videocore shared memory driver [3.846460] [vc\_sm\_connected\_init]: start [3.858213] [vc\_sm\_connected\_init]: installed successfully [3.865069] bcm2835\_audio soc:audio: card created with 8 channels [3.866752] media: Linux media interface: v0.10 [4.007375] videodev: Linux video capture interface: v2.00 [4.011127] cfg80211: Loading compiled-in X.509 certificates for regulatory database [4.045855] bcm2835\_mmal\_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [4.046743] bcm2835\_mmal\_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [4.061071] bcm2835\_v4l2: module is from the staging directory, the quality is unknown, you have been warned. [4.093309] bcm2835\_codec: module is from the staging directory, the quality is unknown, you have been warned. [4.110035] bcm2835-codec bcm2835-codec: Device registered as /dev/video10 [4.118054] cfg80211: Loaded X.509 cert ‘sforshee: 00b28ddf47aef9cea7’ [4.118683] bcm2835-codec bcm2835-codec: Loaded V4L2 decode [4.125888] bcm2835-codec bcm2835-codec: Device registered as /dev/video11 [4.125907] bcm2835-codec bcm2835-codec: Loaded V4L2 encode [4.137454] bcm2835-codec bcm2835-codec: Device registered as /dev/video12 [4.137471] bcm2835-codec bcm2835-codec: Loaded V4L2 isp [4.210816] brcmfmac: F1 signature read @0x18000000=0x1541a9a6 [4.217012] brcmfmac: brcmf\_fw\_alloc\_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1 [4.217324] usbcore: registered new interface driver brcmfmac [4.440250] brcmfmac: brcmf\_fw\_alloc\_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1 [4.440375] brcmfmac: brcmf\_c\_process\_clm\_blob: no clm\_blob available (err=-2), device may have limited channels available [4.441078] brcmfmac: brcmf\_c\_preinit\_dcmds: Firmware: BCM43430/1 wl0: Oct 23 2017 03:55:53 version 7.45.98.38 (r674442 CY) FWID 01-e58d219f [5.330158] uart-pl011 3f201000.serial: no DMA platform data [6.054448] smsc95xx 1-1.1:1.0 eth0: hardware isn’t capable of remote wakeup [6.054939] IPv6: ADDRCONF(NETDEV\_UP): eth0: link is not ready [6.915598] Adding 102396k swap on /var/swap. Priority:-2 extents:1 across:102396k SSFS [7.730277] IPv6: ADDRCONF(NETDEV\_CHANGE): eth0: link becomes ready [7.731511] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0xC1E1 [9.883721] Bluetooth: Core ver 2.22 [9.883825] NET: Registered protocol family 31 [9.883833] Bluetooth: HCI device and connection manager initialized [9.883858] Bluetooth: HCI socket layer initialized [9.883872] Bluetooth: L2CAP socket layer initialized [9.883914] Bluetooth: SCO socket layer initialized [9.908634] Bluetooth: HCI UART driver ver 2.3 [9.908652] Bluetooth: HCI UART protocol H4 registered [9.908748] Bluetooth: HCI UART protocol Three-wire (H5) registered [9.908968] Bluetooth: HCI UART protocol Broadcom registered [10.252028] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [10.252037] Bluetooth: BNEP filters: protocol multicast [10.252057] Bluetooth: BNEP socket layer initialized [10.319908] Bluetooth: RFCOMM TTY layer initialized [10.319942] Bluetooth: RFCOMM socket layer initialized [10.319967] Bluetooth: RFCOMM ver 1.11 [11.779685] fuse init (API version 7.27) [17.681938] creating qcqmi0 [17.827067] RawIP mode [62.984462] random: crng init done [62.984480] random: 7 urandom warning(s) missed due to ratelimiting [319.220977] usbcore: deregistering interface driver GobiNet [319.878708] GobiNet 1-1.4:1.8 eth1: unregister ‘GobiNet’ usb-3f980000.usb-1.4, GobiNet Ethernet Device [356.071037] GobiNet: 2020-08-17/SWI\_2.64 [356.076636] GobiNet 1-1.4:1.8 eth1: register ‘GobiNet’ at usb-3f980000.usb-1.4, GobiNet Ethernet Device, b6:be:e3:7c:ad:08 [356.078732] QMAP Enabled [356.085775] USB Speed : USB 2.0 [356.086058] usbcore: registered new interface driver GobiNet [370.273659] creating qcqmi0 [370.438766] RawIP mode ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [January 14, 2021, 7:22am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/7 "2021-01-14T07:22:37Z")
It seems to be ok, i can see /dev/qcqmi0 port and eth1 imterface, and the serial port /dev/ttyUSB What happens when you type at!scact=1,1 ? Did you type “sudo dhclient eth1” on ubuntu? ---
**Author:** ![ShXiao](https://avatars.discourse-cdn.com/v4/letter/s/f1d935/32.png) [@ShXiao](https://forum.sierrawireless.com/u/ShXiao)\ **Post date:** [January 14, 2021, 7:34am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/8 "2021-01-14T07:34:52Z")
Yes, I did. But it would take about half a minute to complete. No errors or warnings. No IP address would be found in eth1. And after about 2 minutes, AT!SCACT? would return ‘0,1’ ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [January 14, 2021, 7:37am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/9 "2021-01-14T07:37:16Z")
How about using profile id 2 (changing apn to internet) ? Is it the same case? Also you need to shut down firewall of wp76 module by iptables -I INPUT -j ACCEPT ---
**Author:** ![ShXiao](https://avatars.discourse-cdn.com/v4/letter/s/f1d935/32.png) [@ShXiao](https://forum.sierrawireless.com/u/ShXiao)\ **Post date:** [January 14, 2021, 8:08am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/10 "2021-01-14T08:08:03Z")
> [@jyijyi](#): > > iptables -I INPUT -j ACCEPT Same situation for profile 2. I try to do it refer to your tips, still failed. ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [January 14, 2021, 8:20am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/11 "2021-01-14T08:20:26Z")
I don’t see problem on FW R13.3, maybe you can give a try: [31.893645] usb 3-2.1: Product: Sierra Wireless WP7605 [31.893646] usb 3-2.1: Manufacturer: Sierra Wireless, Incorporated [31.893647] usb 3-2.1: SerialNumber: 2A91728507040403 [32.110089] GobiNet: loading out-of-tree module taints kernel. [32.110154] GobiNet: module verification failed: signature and/or required key missing - tainting kernel [32.142825] GobiNet: 2018-03-22/SWI\_2.51 [32.142884] QMAP Disabled [32.151310] GobiNet 3-2.1:1.8 eth0: register ‘GobiNet’ at usb-0000:03:00.0-2.1, GobiNet Ethernet Device, 36:dd:7e:ff:24:d7 [32.172837] USB Speed : USB 2.0 [32.174030] usbcore: registered new interface driver GobiNet [32.202296] usbcore: registered new interface driver usbserial [32.204503] usbcore: registered new interface driver usbserial\_generic [32.204591] usbserial: USB Serial support registered for generic [32.206290] cdc\_ether 3-2.1:1.19 usb0: register ‘cdc\_ether’ at usb-0000:03:00.0-2.1, CDC Ethernet Device, 16:92:dd:cc:0e:a8 [32.221472] usbcore: registered new interface driver cdc\_ether [32.232679] usbcore: registered new interface driver GobiSerial [32.232689] usbserial: USB Serial support registered for GobiSerial [32.236727] GobiSerial 3-2.1:1.0: GobiSerial converter detected [32.236832] usb 3-2.1: GobiSerial converter now attached to ttyUSB0 [32.237620] GobiSerial 3-2.1:1.2: GobiSerial converter detected [32.241739] usb 3-2.1: GobiSerial converter now attached to ttyUSB1 [32.260773] GobiSerial 3-2.1:1.3: GobiSerial converter detected [32.260849] usb 3-2.1: GobiSerial converter now attached to ttyUSB2 [32.261319] GobiSerial: 2018-04-25/SWI\_2.32:GobiSerial [32.350904] cdc\_ether 3-2.1:1.19 ens160u2u1i19: renamed from usb0 [32.365020] GobiNet 3-2.1:1.8 ens160u2u1i8: renamed from eth0 [32.491089] IPv6: ADDRCONF(NETDEV\_UP): ens160u2u1i8: link is not ready [32.491185] GobiNet 3-2.1:1.8 ens160u2u1i8: kevent 12 may have been dropped [32.491189] IPv6: ADDRCONF(NETDEV\_UP): ens160u2u1i8: link is not ready [32.523591] IPv6: ADDRCONF(NETDEV\_UP): ens160u2u1i19: link is not ready [32.527316] IPv6: ADDRCONF(NETDEV\_UP): ens160u2u1i19: link is not ready [32.528611] IPv6: ADDRCONF(NETDEV\_CHANGE): ens160u2u1i19: link becomes ready [32.528617] cdc\_ether 3-2.1:1.19 ens160u2u1i19: kevent 12 may have been dropped [32.963468] rfkill: input handler disabled [33.824955] cdc\_ether 3-2.1:1.19 ens160u2u1i19: kevent 12 may have been dropped [35.925381] cdc\_ether 3-2.1:1.19 ens160u2u1i19: kevent 12 may have been dropped [38.624112] creating qcqmi0 [38.624172] RawIP mode owner@ubuntu:~ sudo dhclient ens160u2u1i8 owner@ubuntu:~ ifconfig ens160u2u1i8 ens160u2u1i8: flags=4291\ mtu 1500 inet 10.104.161.217 netmask 255.255.255.252 broadcast 10.104.161.219 inet6 fe80::6da8:4306:4f87:c21d prefixlen 64 scopeid 0x20 ether 7e:3f:69:b0:de:d6 txqueuelen 1000 (Ethernet) RX packets 56 bytes 14251 (14.2 KB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 187 bytes 19236 (19.2 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 owner@ubuntu:~$ ping [www.google.com](http://www.google.com) PING [www.google.com](http://www.google.com) (216.58.221.228) 56(84) bytes of data. 64 bytes from [hkg07s21-in-f228.1e100.net](http://hkg07s21-in-f228.1e100.net) (216.58.221.228): icmp\_seq=1 ttl=117 time=26.0 ms 64 bytes from [hkg07s21-in-f228.1e100.net](http://hkg07s21-in-f228.1e100.net) (216.58.221.228): icmp\_seq=2 ttl=117 time=45.2 ms ^C — [www.google.com](http://www.google.com) ping statistics — 2 packets transmitted, 2 received, 0% packet loss, time 1002ms rtt min/avg/max/mdev = 26.022/35.640/45.259/9.620 ms * * * ati3 Manufacturer: Sierra Wireless, Incorporated Model: WP7605 Revision: SWI9X07Y\_02.28.03.05 000000 jenkins 2019/07/08 11:04:16 IMEI: 353532100020465 IMEI SV: 6 FSN: 2A917285070404 +GCAP: +CGSM OK at+Cgdcont? +CGDCONT: 1,“IP”,“hkcsl”,“0.0.0.0”,0,0,0,0 +CGDCONT: 2,“IP”,“hkcsl”,“0.0.0.0”,0,0,0,0 OK at!gstatus? !GSTATUS: Current Time: 104 Temperature: 28 Modem Mitigate Level: 0 ModemProc Mitigate Level: 0 Reset Counter: 1 Mode: ONLINE System mode: LTE PS state: Attached IMS reg state: UNKNOWN IMS mode: Not Support IMS Srv State: UNKNOWN SMS,UNKNOWN VoIP LTE band: B3 LTE bw: 10 MHz LTE Rx chan: 1851 LTE Tx chan: 19851 LTE CA state: INACTIVE EMM state: Registered Normal Service RRC state: RRC Idle PCC RxM RSSI: -59 RSRP (dBm): -86 PCC RxD RSSI: -96 RSRP (dBm): -131 Tx Power: 0 TAC: 0652 (1618) RSRQ (dB): -10 Cell ID: 01A1560B (27350539) SINR (dB): 8.2 OK at!scact=1,1 OK at!scact? !SCACT: 1,1 !SCACT: 2,0 OK at+Cgpaddr +CGPADDR: 1,10.104.161.217 +CGPADDR: 2,0.0.0.0 OK ---
**Author:** ![ShXiao](https://avatars.discourse-cdn.com/v4/letter/s/f1d935/32.png) [@ShXiao](https://forum.sierrawireless.com/u/ShXiao)\ **Post date:** [January 15, 2021, 9:59am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/12 "2021-01-15T09:59:30Z")
Hi , In your last comment, QMAP is disabled. Could you enable it and try again? In QMAP disable mode, I also can make a data connection by AT command directly. But once QMAP is enabled, the rmnet port would change from enp0s20f0u2i8 to eth0,gobi-0-0,gobi-0-1. Then the dhclient would have a problem. ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [January 15, 2021, 10:10am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/13 "2021-01-15T10:10:55Z")
If you use AT!SCACT=1,1 to establish the data connection, you need to set AT!NETNUM to 0. If you need to enable QMAP, you can try QMI SDK. ---
**Author:** ![ShXiao](https://avatars.discourse-cdn.com/v4/letter/s/f1d935/32.png) [@ShXiao](https://forum.sierrawireless.com/u/ShXiao)\ **Post date:** [January 15, 2021, 10:37am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/14 "2021-01-15T10:37:30Z")
There is no way on QMAP mode with AT commands? Could you make a confirmation on this? ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [January 15, 2021, 11:04am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/15 "2021-01-15T11:04:13Z")
Didn’t you already confirm? Have you tried qmi sdk? I remember i always set at!netnum to zero in case for at!scact ---
**Author:** ![ShXiao](https://avatars.discourse-cdn.com/v4/letter/s/f1d935/32.png) [@ShXiao](https://forum.sierrawireless.com/u/ShXiao)\ **Post date:** [January 18, 2021, 1:02am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/16 "2021-01-18T01:02:43Z")
I am not sure if AT commands could set up the data connection under QMAP mode. So I need your confirmation about this. Anyway, I will try use QMI sdk later. ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [January 18, 2021, 1:26am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/17 "2021-01-18T01:26:17Z")
I remember i always need to set at!netnum to zero in case for at!scact You can try QMI SDK. ---
**Author:** ![ShXiao](https://avatars.discourse-cdn.com/v4/letter/s/f1d935/32.png) [@ShXiao](https://forum.sierrawireless.com/u/ShXiao)\ **Post date:** [January 18, 2021, 1:27am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/18 "2021-01-18T01:27:58Z")
If set AT!NETNUM to 0, then QMAP is disabled. That’s not what I want ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [January 18, 2021, 1:33am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/19 "2021-01-18T01:33:20Z")
why do you need to enable QMAP? ---
**Author:** ![ShXiao](https://avatars.discourse-cdn.com/v4/letter/s/f1d935/32.png) [@ShXiao](https://forum.sierrawireless.com/u/ShXiao)\ **Post date:** [January 18, 2021, 1:36am UTC](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568/20 "2021-01-18T01:36:44Z")
We want to set up multiple PDN data connection. As far as I know, QMAP need to be enabled and use virtual rmnet. Normally we only support 1 rmnet. And please see [AirPrime - Multiple PDN Support on Newer Sierra Wireless Modules](https://source.sierrawireless.com/resources/airprime/application_notes_and_code_samples/airprime---multiple-pdn-support-on-newer-sierra-wireless-modules/#sthash.rSQnmO87.dpbs). It said WP76XX support this feature. [Next page](https://forum.sierrawireless.com/t/how-to-make-a-data-connection-in-linux-platform-for-wp76xx/22568.md?page=2)