Fedora 9 通过E680G/I手机实现GPRS上网

IN：Linux Tags: E680, Fedora, GPRS, Linux Comments：5

电脑通过E680G/I手机实现GPRS上网

E680是一款摩托的Linux系统手机，在Windows下可以通过自带的MPT工具包实现与电脑连接的GPRS上网，在Linux下也是比较方便的，以前我也用过，只是没记下来，今天再用的时候还得看别人写的文章，还是自己记一下。

我用的是Fedora 9，一般的Linux系统都应该可以，大同小异。首先是手机端设置连接模式为调制解调器(Modem)，通过数据线连接到电脑后(也可以用蓝牙，我这里没有环境)，Fedora 9会识别到有新的调制解调器：

usb 4-3: new full speed USB device using ohci_hcd and address 2
usb 4-3: configuration #1 chosen from 1 choice
usb 4-3: New USB device found, idVendor=22b8, idProduct=3802
usb 4-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 4-3: Product: Motorola USB Modem
usb 4-3: Manufacturer: Motorola
cdc_acm 4-3:1.0: ttyACM0: USB ACM device
usbcore: registered new interface driver cdc_acm
drivers/usb/class/cdc-acm.c: v0.25:USB Abstract Control Model driver for USB modems and ISDN adapters

它对应的设备就是/dev/ttyACM0。接下来用wvdial这个拨号工具，如果没有这个包的话请自行安装，wvdial有一个配置文件/etc/wvdial.conf,(使用root进行下面的操作)编辑这个文件,：

添加以下内容:

[Dialer Defaults]
Init1 = at+cgdcont=1,"ip","cmnet"
Phone = *99***1#
Modem = /dev/ttyACM0
Username = "cmnet"
Password = "cmnet"
Carrier Check = no
Baud = 460800
Auto DNS = on

如果已经有Dialer Defaults这一块则覆盖之。这里要注意使用的是cmnet，最好是手机包月不分cmnet和cmwap那种的，不然收费是很贵的。修改完该文件后还需要对/etc/ppp/options文件进行修改，添加一行：
:192.168.0.254
这个修改比较奇怪，E680系列的Linux手机都需要这样:-(，不然用wvdial拨号时会在/var/log/messages中产生下面的错误：

错误信息：

Oct 16 09:56:25 cocobear pppd[18141]: pppd 2.4.4 started by root, uid 0
Oct 16 09:56:25 cocobear pppd[18141]: Using interface ppp0
Oct 16 09:56:25 cocobear pppd[18141]: Connect: ppp0 < --> /dev/ttyACM0
Oct 16 09:56:36 cocobear pppd[18141]: Remote message: Welcome to Motorola A760 Software Modem!
Oct 16 09:56:36 cocobear pppd[18141]: PAP authentication succeeded
Oct 16 09:56:44 cocobear pppd[18141]: LCP terminated by peer (^@^@^@^@^@^@)
Oct 16 09:56:44 cocobear pppd[18141]: Modem hangup
Oct 16 09:56:44 cocobear pppd[18141]: Connection terminated.
Oct 16 09:56:44 cocobear pppd[18141]: Exit.

修改完这个文件后就可以开始拨号了，直接使用wvdial命令:

拨号信息：

[root@cocobear cocobear]# vim /etc/wvdial.conf
[root@cocobear cocobear]# vim /etc/ppp/options
[root@cocobear cocobear]# wvdial
--> WvDial: Internet dialer version 1.60
--> Cannot get information for serial port.
--> Initializing modem.
--> Sending: at+cgdcont=1,"ip","cmnet"
OK
--> Modem initialized.
--> Sending: ATDT*99***1#
--> Waiting for carrier.
CONNECT
--> Carrier detected.  Waiting for prompt.
~[7f]}#@!}!}!} }< }!}$}%\}"}&} } } } }#}$@#}%}&j}?} } }'}"}(}"?}3~
--> PPP negotiation detected.
--> Starting pppd at Thu Oct 16 09:58:41 2008
--> Pid of pppd: 18959
--> Using interface ppp0
--> local  IP address 10.182.237.127
--> remote IP address 192.168.0.254
--> primary   DNS address 211.137.130.3
--> secondary DNS address 211.137.130.19

从上面的信息中可以看出我们成功的拨号上网了，不过这时候我们还需要手动把192.168.0.254添加为默认路由:

route add default gw 192.168.0.254

ping一个google：

Ping结果：

[cocobear@cocobear ~]$ ping www.g.cn
PING g.cn (203.208.33.100) 56(84) bytes of data.
64 bytes from 203.208.33.100: icmp_seq=2 ttl=242 time=709 ms
64 bytes from 203.208.33.100: icmp_seq=4 ttl=242 time=1359 ms
64 bytes from 203.208.33.100: icmp_seq=5 ttl=242 time=1159 ms
64 bytes from 203.208.33.100: icmp_seq=6 ttl=242 time=1021 ms
64 bytes from 203.208.33.100: icmp_seq=7 ttl=242 time=617 ms
^C
--- g.cn ping statistics ---
8 packets transmitted, 5 received, 37% packet loss, time 13411ms
rtt min/avg/max/mdev = 617.708/973.500/1359.063/276.410 ms, pipe 2

好大的延时，还有丢包，没办法了中国移动的GPRS就这样了，EDGE在西安只有部分地区覆盖了，而且E680手机是不支持的！

终于上来了，搬到新租的房子后还没拉网线，只能先这样了。

羡慕王聪同学的3G上网啊＠_＠

10-16

2008

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Fedora 9 通过E680G/I手机实现GPRS上网

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