We are running a survey to help us improve the experience for all of our members. If you see the survey appear, please take the time to tell us about your experience if you can.
I am using RL-ARM TCPnet in an attempt to set up a PPP connection to Windows XP. Sometimes it all works well; i can connect to my device and i can normally exchange tcp packets. Other times, ppp links does not go up; in these cases, it seems like PC sends LCP packets also after PAP authentication has been achieved: library refuses those packets. Windows says "Logging on", and after a while gives up. I have observed that if i setup my modem at 38400 baud (baudrate between my modem and my cpu), ppp often works well, only sometimes fails; but if i setup my modem at 9600 baud (the same baudrate that modems handkshake between them), ppp does never work (the modem goes normally on-line).
Thanks in advance to everyone can give me any suggest.
Here is the log i have obtained with debug library:
PPP: Initialize PPP interface
PPP: Initialize PPP-LCP
PPP: Initialize PPP-PAP
PPP: Initialize PPP-IPCP
PPP: Enabling listen mode...
PPP: Username: tw, Password: teamware
PPP: *** Processing PPP frame ***
PPP: Frame len: 24 bytes
PPP: Protocol: C021
PPP: *** Processing PPP-LCP frame ***
PPP: LCP Config Request received.
PPP: Sending PPP frame...
PPP: Frame len: 16
PPP: Frame len: 26
PPP: Sending LCP Configuration request.
PPP: Frame len: 30
PPP: Frame len: 28 bytes
PPP: LCP Config Acknowledge received.
PPP: Async Char MAP: 00,0A,00,00
PPP: Enabled PF Compression
PPP: Enabled ACF Compression
PPP: Magic Number: 406FEC4F
PPP: Enabled PAP Authentication Protocol
PPP: Frame len: 20 bytes
PPP: Protocol: C023
PPP: *** Processing PPP-PAP frame ***
PPP: PAP Authentication Request received.
PPP: Remote Client login success.
PPP: Frame len: 20
PPP: LCP up, ignoring Config request.
Please send your logs in email to support.intl@keil.com addressed to me.
Logs sent. Thanks.
Problem solved in the new TCP library. Thanks to Franc Urbanc for his careful and professional support.