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I've seen several posts on how to setup PPP via a GPRS modem on TS-7000 products. I've finally succeeded in doing so and wanted to share my results. Parts of the following are specific to a MultiTech GPRS modem (MTCBA-G-F4) connecting to TMobile network... But much of it will be the same regardless of the modem and network. LOOK FOR HIGHLIGHTED Items: these are items you'll probably need to change for your setup. ******************************************************************* If you want to use COM2 header you must first: Disable Console Redirection on COM2 (ttyS2): * Backup the config file: cp /etc/inittab /etc/inittab.bak * Edit the file /etc/initab * comment out the line (Add a # in front) T1:23:respawn:/sb in/getty -L ttyS1 115200 vt100 ******************************************************************* SETUP PPP MODULES: Add the following lines to /etc/modules ppp_generic ppp_async pppoe pppox ******************************************************************* Create file /etc/modutils/ppp: alias /dev/ppp ppp_generic alias char-major-108 ppp_generic alias ttt-ldisc-3 ppp_async alias tty-ldisc-14 ppp_synctty alias ppp-compress-21 bsd_comp alias ppp-compress-24 ppp_deflate alias ppp-compress-26 ppp_deflate *********** * ******************************************************* Create file: /etc/ppp/peers/tmobile /dev/ttts4 #this is the modem (com3 header) #/dev/ttyS1 #for com2 header instead, see above 9600 #baud rate. On com3 seems like only 9600 works! #Use 57600 for ttyS1 #lock #lock or NOT the modem. If you lock it, may become u n usable in a failed ppp nolock user E #anything here is fine password P #again, anything #LOGIN SCRIPTS connect '/usr/sbin/chat -v -s -f /etc/chatscripts/tmobile-connect' disconnect '/usr/sbin/chat -v -s -f /etc/chatscripts/tmobile-disconnect' #following should appear here instead of OPTIONS b/c of priv. status #auth noauth ******************************************************************* Create file: /etc/chatscripts/tmobile-connect TIMEOUT 10 #ECHO ON ABORT "NO ANSWER" ABORT "NO CARRIER" SAY "Starting GPRS Connection\n\n" ABORT "ERROR" "" ATZ OK ATE1 &nbs p ;#Make sure we have a good cell connection #The following will check for cell connection on Multitech modem OK AT+CPIN? #If your modem doesn't support this, replace the "READY" below with "OK" and delete this line. #SET THE APN READY AT+CGDCONT=1,"IP","m2m.t-mobile.com" #REPLACE "m2m.t-mobile.com" with the APN specific to your provider #DIAL INTO THE NETWORK OK ATD*99***1# CONNECT 'c' ******************************************************************* Create file: /etc/chatscripts/tmobil e -disconnect "" +++ATH0 SAY "GPRS DISCONNECTED" ******************************************************************* Modify file /etc/ppp/options to the following: debug #nodetach stay running updetach #to detach once connected. For debugging purposes only. asyncmap 0 usepeerdns #hardware flow control #crtscts cdtrcts #if no hardware flow control is available persist #re-connect upon a failed connect #nomagic nopcomp nobsdcomp nodeflate noauth & nbsp; defaultroute #use this if you want this device to be the main internet connection. #You would not use this if you were for somereason using ppp AND wired internet. replacedefaultroute #replaces the wired route. Replaces back when done. #add a new default route in which the peer is the gaetway ********************************************************* * ********* TO CONNECT: pon tmobile TO DISCONNECT: poff tmobile NOTE: I found that for some reason I get much more debug information displayed when starting / stopping via the COM1 redirect, instead of using Telnet over RJ45. NOTE: If you find that you connect and then immediately disconnect it's very likely an invalid APN. __._,_.___
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