belkin usb > serial port adapter > external dialup modem -- no authentication
I got a Belkin f5u103 usb > serial port adapter because it is Linux compatible and I needed a way to connect with dialup with my lappy and an external dialup modem. Lappy is a Compaq Presario with 512mb ram, 60gb drive and 1.6ghz cpu running Fedora Core 10 and no serial port. I have a fledgling business I conduct over the internet and I want a backup system in case something happens to my desktop.
The kernel is 2.6.27.9-159.fc10.i686. It recognizes the adapter fine, assigns it to /dev/ttyUSB0, which I put in my /etc/ppp/options file and when I start pppd everything goes well until it starts the authentification. Well, see for yourself, here's some of /var/log/messages: Feb 23 22:09:55 server pppd[17012]: pppd 2.4.4 started by root, uid 0 Feb 23 22:09:55 server pppd[17012]: Using interface ppp0 Feb 23 22:09:55 server pppd[17012]: local IP address 10.64.64.64 Feb 23 22:09:55 server pppd[17012]: remote IP address 10.112.112.112 Feb 23 22:09:57 server pppd[17012]: Starting link Feb 23 22:09:58 server chat[17021]: timeout set to 40 seconds Feb 23 22:09:58 server chat[17021]: abort on (NO CARRIER) Feb 23 22:09:58 server chat[17021]: abort on (NO DIALTONE) Feb 23 22:09:58 server chat[17021]: abort on (ERROR) Feb 23 22:09:58 server chat[17021]: abort on (NO ANSWER) Feb 23 22:09:58 server chat[17021]: abort on (BUSY) Feb 23 22:09:58 server chat[17021]: abort on (Username/Password Incorrect) Feb 23 22:09:58 server chat[17021]: send (atz^M) Feb 23 22:09:58 server chat[17021]: expect (OK) Feb 23 22:09:59 server chat[17021]: atz^M^M Feb 23 22:09:59 server chat[17021]: OK Feb 23 22:09:59 server chat[17021]: -- got it Feb 23 22:09:59 server chat[17021]: send (atm0^M) Feb 23 22:09:59 server chat[17021]: expect (OK) Feb 23 22:09:59 server chat[17021]: ^M Feb 23 22:09:59 server chat[17021]: atm0^M^M Feb 23 22:09:59 server chat[17021]: OK Feb 23 22:09:59 server chat[17021]: -- got it Feb 23 22:09:59 server chat[17021]: send (atS0=0^M) Feb 23 22:09:59 server chat[17021]: expect (OK) Feb 23 22:09:59 server chat[17021]: ^M Feb 23 22:09:59 server chat[17021]: atS0=0^M^M Feb 23 22:09:59 server chat[17021]: OK Feb 23 22:09:59 server chat[17021]: -- got it Feb 23 22:09:59 server chat[17021]: send (atdt5476658^M) Feb 23 22:09:59 server chat[17021]: expect (CONNECT) Feb 23 22:09:59 server chat[17021]: ^M Feb 23 22:10:19 server chat[17021]: atdt5476658^M^M Feb 23 22:10:19 server chat[17021]: CONNECT Feb 23 22:10:19 server chat[17021]: -- got it Feb 23 22:10:19 server pppd[17012]: Serial connection established. Feb 23 22:10:19 server pppd[17012]: Connect: ppp0 <--> /dev/ttyUSB0 Feb 23 22:10:50 server pppd[17012]: LCP: timeout sending Config-Requests Feb 23 22:10:50 server pppd[17012]: Connection terminated. I did several searches several different ways here and with Google and after MUCH reading I am still unable to get past this point. I have tried several mods to /etc/ppp/options like "passive" and others trying to get it to work but it doesn't seem to be communicating with the peer. I have checked permissions on the pap-secrets file and they are rw-------. Is it possible I need a null modem cable for the connection between adapter > modem? And what is LCP? The manual for pppd is vague on this and other things, like how to make debugging more verbose. Any help would be greatly appreciated. |
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Looks like a ppp configuration problem. Post your ppp options file. Google? http://www.javvin.com/protocolLCP.html |
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/dev/ttyUSB0 # 115200 # debug 57600 connect '/usr/sbin/chat -v -f /etc/ppp/chat-rbandmb' demand passive # connect-delay 10000 lcp-max-configure 100 lock novj idle 1200 usepeerdns noipdefault defaultroute user rbandmb@wfeca.net ipcp-accept-remote ipcp-accept-local crtscts noauth Now, it doesn't seem to matter if "noauth" is there or if "auth" is there. Also makes no difference if "nocrtscts" or "crtscts". I think what is happening is I'm gettings sends and no receives, but that makes no sense because it connects, it just times out with the LCP, whatever that is, I think it's authentication? Thank you for your reply. Edit: I just started reading the link you provided regarding LCP. Thank you. |
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