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我正在使用telit GC864-DUAL-V2調制解調器。使用pppd和chat在gprs/gsm調制解調器中通過linux連接到gprs網絡
我試圖在Linux中使用chat
和pppd
連接到gprs網絡。在那裏,我得到錯誤消息說pppd
「LCP:超時發送配置請求」。我試過在pppd
中增加lcp-max-configure
選項。然後我也得到相同的錯誤信息。
有沒有人可以提出一些建議來糾正這個問題?
以下是我從pppd
獲得的詳細消息日誌。
PPPD LOG獲得:
pppd /dev/ttyUSB0 115200 modem lock connect '/usr/sbin/chat -v -s -f /etc/ppp/chatscript' debug logfd 1 nodetach noauth defaultroute
timeout set to 10 seconds
abort on (\nBUSY\r)
abort on (\nNO ANSWER\r)
abort on (\nERROR\r)
abort on (\nNO CARRIER\r)
timeout set to 35 seconds
send (ATZ^M)
expect (OK)
ATZ^M^M
OK
-- got it
send (ATX3^M)
expect (OK)
^M
ATX3^M^M
OK
-- got it
send (AT&K0^M)
expect (OK)
^M
AT&K0^M^M
OK
-- got it
send (AT+CGDCONT=2,"IP","airtelgprs.com"^M)
expect (OK)
^M
AT+CGDCONT=2,"IP","airtelgprs.com"^M^M
OK
-- got it
send (AT+CGATT=1^M)
expect (OK)
^M
AT+CGATT=1^M^M
OK
-- got it
send (ATD*99***2#^M)
expect (CONNECT)
^M
ATD*99***2#^M^M
CONNECT
-- got it
Serial connection established.
using channel 7
Using interface ppp0
Connect: ppp0 <--> /dev/ttyUSB0
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xdd04133c> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0xdd04133c> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <auth pap> <magic 0x23dd4e00> <pcomp> <accomp>]
No auth is possible
sent [LCP ConfRej id=0x1 <auth pap>]
rcvd [LCP TermReq id=0x2 00 00 00 00 00 00]
sent [LCP TermAck id=0x2]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xdd04133c> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xdd04133c> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xdd04133c> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xdd04133c> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xdd04133c> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xdd04133c> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xdd04133c> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xdd04133c> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xdd04133c> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xdd04133c> <pcomp> <accomp>]
LCP: timeout sending Config-Requests
Connection terminated.
Modem hangup
這麼好,是的,我試圖連接到羅傑斯無線(加拿大),我也不需要任何身份驗證,但在我的ppp腳本中,我已經「noauth」。 – cerr