I'm using Telit UC864-E GSM 3G modem. I want to run GPRS/3G connection over PPP on linux using pppd(ppp daemon).
I have a Telit UC864-E modem on my development board running embedded linux on Atmel SAM9 microprocesssor. The modem is interfaced to SAM9 and I have tested it by executing AT commands from a test program on SAM9. Even the GPRS/3G is working properly using the test application. But, I'm not able to establish a data connection over ppp on embedded linux on this board. Here is the log :
# pppd call gprs
Press CTRL-C to close the connection at any stage!
defining PDP context...
AT
OK
ATZ
OK
ATE1
OK
AT+CGDCONT=1,"IP","www",,0,0
OK
Serial connection established.
using channel 1
Using interface ppp0
Connect: ppp0 <--> /dev/ttyS3
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x43ee1a75>]
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x43ee1a75>]
rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <auth pap> <magic 0xd2b80f00> <pcomp> <]
No auth is possible
sent [LCP ConfRej id=0x1 <auth pap> <pcomp> <accomp>]
rcvd [LCP TermReq id=0x2 00 00 00 00 00 00]
sent [LCP TermAck id=0x2]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x43ee1a75>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x43ee1a75>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x43ee1a75>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x43ee1a75>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x43ee1a75>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x43ee1a75>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x43ee1a75>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x43ee1a75>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x43ee1a75>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x43ee1a75>]
LCP: timeout sending Config-Requests
Connection terminated.
Modem hangup
I have a evaluation board of same modem which is connected to my desktop PC running linux (ubuntu) on which i'm successfully able to run pppd to access the Internet. Here is the log :
harsh@ubuntu:~$ sudo pppd call gprs
Press CTRL-C to close the connection at any stage!
defining PDP context...
AT
OK
ATZ
OK
ATE1
OK
AT+CGDCONT=1,"IP","www",,0,0
OK
Script /etc/ppp/peers/gprs-connect finished (pid 3723), status = 0x0
Serial connection established.
using channel 3
Using interface ppp0
Connect: ppp0 <--> /dev/ttyS0
Warning - secret file /etc/ppp/pap-secrets has world and/or group access
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x8579ad41>]
rcvd [LCP ConfReq id=0x5 <asyncmap 0x0> <auth chap MD5> <magic 0xdab06202> <pcomp> <accomp>]
sent [LCP ConfRej id=0x5 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x8579ad41>]
rcvd [LCP ConfReq id=0x6 <asyncmap 0x0> <auth chap MD5> <magic 0xdab06202>]
sent [LCP ConfNak id=0x6 <auth pap>]
rcvd [LCP ConfReq id=0x7 <asyncmap 0x0> <auth pap> <magic 0xdab06202>]
sent [LCP ConfAck id=0x7 <asyncmap 0x0> <auth pap> <magic 0xdab06202>]
sent [LCP EchoReq id=0x0 magic=0x8579ad41]
Warning - secret file /etc/ppp/pap-secrets has world and/or group access
sent [PAP AuthReq id=0x1 user="ubuntu" password=""]
rcvd [LCP DiscReq id=0x8 magic=0xdab06202]
rcvd [PAP AuthAck id=0x1 ""]
PAP authentication succeeded
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
rcvd [IPCP ConfNak id=0x1 <ms-dns1 10.11.12.13> <ms-dns2 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins 10.11.12.14>]
sent [IPCP ConfReq id=0x2 <addr 0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns2 10.11.12.14>]
rcvd [IPCP ConfNak id=0x2 <ms-dns1 10.11.12.13> <ms-dns2 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins 10.11.12.14>]
sent [IPCP ConfReq id=0x3 <addr 0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns2 10.11.12.14>]
rcvd [IPCP ConfNak id=0x3 <ms-dns1 10.11.12.13> <ms-dns2 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins 10.11.12.14>]
sent [IPCP ConfReq id=0x4 <addr 0.0.0.0> <ms-dns1 10.11.12.13> <ms-dns2 10.11.12.14>]
rcvd [IPCP ConfReq id=0x2]
sent [IPCP ConfNak id=0x2 <addr 0.0.0.0>]
rcvd [IPCP ConfNak id=0x4 <addr 1.39.207.26> <ms-dns1 10.11.230.2> <ms-dns2 10.11.230.3>]
sent [IPCP ConfReq id=0x5 <addr 1.39.207.26> <ms-dns1 10.11.230.2> <ms-dns2 10.11.230.3>]
rcvd [IPCP ConfReq id=0x3]
sent [IPCP ConfAck id=0x3]
rcvd [IPCP ConfAck id=0x5 <addr 1.39.207.26> <ms-dns1 10.11.230.2> <ms-dns2 10.11.230.3>]
Could not determine remote IP address: defaulting to 10.64.64.64
not replacing existing default route via 192.168.170.2
Cannot determine ethernet address for proxy ARP
local IP address 1.39.207.26
remote IP address 10.64.64.64
primary DNS address 10.11.230.2
secondary DNS address 10.11.230.3
Script /etc/ppp/ip-up started (pid 3727)
Script /etc/ppp/ip-up finished (pid 3727), status = 0x0
The 'gprs' script is same on both the linux environments.
What could be the issue ?