linux 3g上网老掉线问题

[stitchwillow]

用的是中兴的AC582 3g上网卡，wvdial拨号上网。
之前是两分中左右掉线一次，后来上网发现需要屏蔽/etc/ppp/options文件中的lcp-echo-failure 4和lcp-echo-interval 30这两行
屏蔽以后重启确实有效，不过现在变成了不定时的掉线最短一小时左右最长5、6个小时掉线。
掉线以后重新拨号会提示找不到ttyUSB0，除非拔掉3g上网卡，重新插上要不用wvdial拨号就是提示ttyUSB0找不到。
请问各位该如何解决。

[stitchwillow]

问题补充： /etc/wvdial.conf配置如下： [Dialer 3g] Init1 = ATZ Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 Stupid Mode = 1 Modem Type = Analog Modem ISDN = 0 New PPPD = yes Phone = #777 Modem = /dev/ttyUSB0 Username = [e-mail] Password = vnet.mobi

[stitchwillow]

问题还是没有解决最后贴一下掉线以后dmesg的信息 [ 195.666995] usb 1-1.3.3: new high-speed USB device number 8 using dwc_otg [ 195.785222] usb 1-1.3.3: New USB device found, idVendor=148f, idProduct=3070 [ 195.785258] usb 1-1.3.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 195.785275] usb 1-1.3.3: Product: 802.11 n WLAN [ 195.785291] usb 1-1.3.3: Manufacturer: Ralink [ 195.785305] usb 1-1.3.3: SerialNumber: 1.0 [ 195.930714] cfg80211: Calling CRDA to update world regulatory domain [ 196.127075] usb 1-1.3.3: reset high-speed USB device number 8 using dwc_otg [ 196.306387] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' [ 196.312156] Registered led device: rt2800usb-phy0::radio [ 196.312864] Registered led device: rt2800usb-phy0::assoc [ 196.313519] Registered led device: rt2800usb-phy0::quality [ 196.316107] usbcore: registered new interface driver rt2800usb [ 365.305468] device mon0 entered promiscuous mode [57760.468823] option1 ttyUSB0: option_instat_callback: error -71 [57760.503157] usb 1-1.3.2: USB disconnect, device number 5 [57760.503484] option1 ttyUSB0: option_instat_callback: error -108 [57760.505648] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 [57760.505755] option 1-1.3.2:1.0: device disconnected [57760.510361] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 [57760.510515] option 1-1.3.2:1.1: device disconnected [57760.511137] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2 [57760.511225] option 1-1.3.2:1.2: device disconnected [57760.514169] option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3 [57760.514270] option 1-1.3.2:1.3: device disconnected [57760.524508] option1 ttyUSB4: GSM modem (1-port) converter now disconnected from ttyUSB4 [57760.524613] option 1-1.3.2:1.4: device disconnected [57760.801979] usb 1-1.3.2: new full-speed USB device number 9 using dwc_otg [57760.937091] usb 1-1.3.2: New USB device found, idVendor=19d2, idProduct=0152 [57760.937124] usb 1-1.3.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [57760.937142] usb 1-1.3.2: Product: ZTE CDMA Technologies MSM [57760.937158] usb 1-1.3.2: Manufacturer: ZTE, Incorporated [57760.945615] option 1-1.3.2:1.0: GSM modem (1-port) converter detected [57760.948098] usb 1-1.3.2: GSM modem (1-port) converter now attached to ttyUSB0 [57760.950581] option 1-1.3.2:1.1: GSM modem (1-port) converter detected [57760.951071] usb 1-1.3.2: GSM modem (1-port) converter now attached to ttyUSB1 希望大神看到帮忙解决一下。

[9527]

Init5 = AT+CGDCONT=1,"IP","CMNET" 设置APN的，你看看你的modem的AT手册，看看指令是否是这个

[stitchwillow]

搜到一点信息说是在/etc/wvdial.conf增加如下内容： Init5 = AT+CGDCONT=1,"IP","CMNET" 可以解决这个问题，可惜我加进去以后说是指令无法识别。 悲剧我是不是该换个3g上网卡试试？

[yangzhifu]

我也遇到了这样的情况，也一直没有解决，初步怀疑是3g modem状态不正常了，所以怎么拨号都无法拨上...

[stitchwillow]

引用 7 楼 yangzhifu 的回复:

你是直接用的猫吧？我用的是pci-mini借口的模块，全是华为的

我用的E1260 3g上网卡直接连linux机器，配置/etc/wvdial.conf之后用wvdial拨号上的网，目前看来比中兴的ac582稳定一些。

[stitchwillow]

我现在换成了华为的E1260虽然也有掉线的情况发生，但是在不插拔的情况下可以立刻重新拨号，中兴的折腾死我了。

[yangzhifu]

你是直接用的猫吧？我用的是pci-mini借口的模块，全是华为的

[斷點1]

我的也是，老是usb disconnect 之后 ttyUSB0找不到，就变成TTYUSB1了。不知道什么原因