Chapter 8. Debugging

Table of Contents
8.1. I have compiled PPP support into the kernel, but...
8.1.1. Are you booting the right kernel?
8.1.2. Did you compile ppp kernel support as a module?
8.1.3. Are you using the correct version of PPP for your kernel?
8.1.4. Are you running pppd as root?
8.2. My modem connects but ppp never starts up
8.3. The syslog says "serial line is not 8 bit clean"
8.3.1. You are not correctly logging into the server
8.3.2. You are not starting PPP on the server
8.3.3. The remote PPP process is slow to start
8.4. Default route not set
8.5. Other Problems

There are any number of reasons that your connection does not work - chat has failed to complete correctly, you have a dirty line, etc. So check your syslog for indications.