BNU troubleshooting

BNU troubleshooting

Utility for testing basic outgoing connectivity

Using the connection server in debug mode

Testing basic modem connectivity

Testing basic direct line connectivity

Testing outgoing cu and uucp functionality
    How cu and uucp work
        Summary
    Debugging outgoing connections
    Using Uutry to debug uucp

Testing incoming functionality
    Testing incoming uucp connectivity
    Testing remote login and ttymon
    Making sure line speeds are set correctly
        Stopping and restarting ttymon

Using expect/send strings to troubleshoot uucp
    Using expect/send strings to test the connection to a new remote system

Speed, character size and parity settings

Data transfer and flow control

Hints and tricks
    Dealing with device busy errors
    Dealing with no answer
    Going out over TCP/IP instead

Known problems and workarounds
    You always get a device busy message
    Don't define a direct line as a modem
    Use 8 bit characters and no parity for autobaud connections
    Use 8 bit characters for PPP
    You can't assign a system to a specific direct line
    Use the Break key to change line speeds
    What to do when connections seem to hang
    File transfers via uucp can take a long time