※ [本文转录自 Linux 看板 #1KBfYsnv ] 作者: gn00618777 (非常念旧) 看板: Linux 标题: [问题] 3G上网 时间: Fri Oct 3 20:38:10 2014 环境是 arm-linux (ubuntu) 在 device 上装上 3G网卡(UC20)，kernel也有抓到。接着在编辑 etc/ppp/peers/Module-UC20, /etc/ppp/peers/Chat-Module-UC20-connect, etc/ppp/peers/Chat-Module-UC20-disconnect. 最後执行 pppd call Module-UC20出现以下讯息 ========================================================================= root@ubuntu-armhf:/# pppd call Module-UC20 abort on (NO CARRIER) abort on (ERROR) abort on (NO DIALTONE) abort on (BUSY) abort on (NO ANSWER) send (AT^M) send (ATE0^M) expect (OK) ^M OK -- got it send (ATD*99#^M) expect (CONNECT) ^M ^M OK^M ^M CONNECT -- got it send (^M) Script chat -s -v -f /etc/ppp/peers/Chat-Module-UC20-connect finished (pid 1597), status = 0x0 Serial connection established. using channel 3 Using interface ppp0 Connect: ppp0 <--> /dev/ttyUSB3 sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xbd8ec2> <pcomp> <accomp>] rcvd [LCP ConfReq id=0x2 <asyncmap 0x0> <auth chap MD5> <magic 0x259267f> <pcomp> <accomp>] sent [LCP ConfAck id=0x2 <asyncmap 0x0> <auth chap MD5> <magic 0x259267f> <pcomp> <accomp>] rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0xbd8ec2> <pcomp> <accomp>] sent [LCP EchoReq id=0x0 magic=0xbd8ec2] rcvd [LCP DiscReq id=0x3 magic=0x259267f] rcvd [CHAP Challenge id=0x1 <1429c17f92217062ba2aacaf70732950>, name = "UMTS_CHAP_SRVR"] sent [CHAP Response id=0x1 <dfb382700007423dc6159a5a88da59af>, name = "bernie"] rcvd [LCP EchoRep id=0x0 magic=0x259267f 00 bd 8e c2] rcvd [CHAP Success id=0x1 ""] CHAP authentication succeeded CHAP 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 [proto=0x3] 01 00 04 Unsupported protocol 0x3 received sent [LCP ProtRej id=0x2 00 03 01 00 04] Modem hangup Connection terminated. ============================================================================== 感觉在最後倒数六行 IPCP 这个 protocol 怪怪的，是对方 server 没支援吗? 3G一直无法连线 Modem hangup，求方向...谢谢。 --

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※ 发信站: 批踢踢实业坊(ptt.cc) ※ 转录者: gn00618777 (220.136.152.81), 10/05/2014 13:36:24