Basic Information:
- My goal is simple. To enable this GL7812 to run as a pass through in server mode.
- I am using a Private Static IP SIM
- I am connected with the correct VPN credentials
- Using HL78xx - AT Command Reference Guide (41111821 - Rev. 20 & 24)
Are they any experts on the server configuration that can provide some assistance?
We want to run a demo where we have an external UI calls into the GL7812 (given IP and a port) and extract information.
I have the modem running fine in client mode calling out to a server and then pass through, but now that I want to do the other way around and am not able to reach it.
I run the sequence below to setup the TCP connection in server and then start the TCP connection. I connect to my VPN and tried to ping the IP in the Windows command prompt but it times out… I tried to tracert the IP and all the hops timed out after the first.
I based this off of the daytime server in the reference guide (A.5.2 Server Mode), but I just wanted a pass through and do not want to initiate a connection request necessarily. Perhaps I am thinking about this incorrectly or I am providing incomplete information. Any assistance would be appreciated.
Powered up GL7812…
Here is the input/output from my PuTTY terminal (echo turned on and a few URCs at startup)
+CEREG: 0
+CREG: 0
+CEREG: 2
+CREG: 2
+CEREG: 5
+CREG: 5
AT
AT
OK
AT+CGMI
AT+CGMI
Sierra Wireless
OK
AT+CGMM
AT+CGMM
GL7812
OK
AT+CGMR
AT+CGMR
GL7812.5.4.12.2
OK
AT+CGSN
AT+CGSN
xxxxxxxxxxxxxxx (hidden for privacy)
OK
AT+KSIMDET?
AT+KSIMDET?
+KSIMDET: 1
OK
AT+CGDCONT?
AT+CGDCONT?
+CGDCONT: 1,“IP”,“APN”,xx.xxx.x.xxx,0,0,0,0,0,0,
+CGDCONT: 2,“IPV4V6”,0,0,0,0,0,0,
OK
AT+KCNXCFG=1,“GPRS”,“APN”,“IPV4”,“0.0.0.0”,“0.0.0.0”,“0.0.0.0”
AT+KCNXCFG=1,“GPRS”,“APN”,“IPV4”,“0.0.0.0”,“0.0.0.0”,“0.0.0.0”
OK
AT+KTCPCFG=1,1,100
AT+KTCPCFG=1,1,100
+KTCPCFG: 1
OK
AT+KTCPCNX=1
AT+KTCPCNX=1
OK
+KCNX_IND: 1,1,0
+KTCP_IND: 1,1
