Use the following task map to quickly access advice and solutions for common PPP problems.
Table 35–1 Task Map for Troubleshooting PPP
Task |
Definition |
For Instructions |
---|---|---|
Obtain diagnostic information about the PPP link |
Use PPP diagnostic tools to get output for troubleshooting | |
Obtain debugging information for the PPP link |
Use the pppd debug command to generate output for troubleshooting | |
Troubleshoot general problems with the network layer |
Identify and fix PPP problems that are network-related by using a series of checks | |
Troubleshoot general communications problems |
Identify and fix communications problems that affect the PPP link | |
Troubleshoot configuration problems |
Identify and fix problems in the PPP configuration files | |
Troubleshoot modem-related problems |
Identify and fix modem problems | |
Troubleshoot chat script-related problems |
Identify and fix chat script problems on a dial-out machine | |
Troubleshoot serial line speed problems |
Identify and fix line speed problems on a dial-in server | |
Troubleshoot common problems for leased lines |
Identify and fix performance problems on a leased line | |
Troubleshoot problems related to authentication |
Identify and fix problems related to the authentication databases | |
Troubleshoot problem areas for PPPoE |
Use PPP diagnostic tools to obtain output for identifying and fixing PPPoE problems |