Dial-in servers can experience problems because of to conflicting speed settings. The next procedure helps you isolate the cause of the link problem to conflicting serial-line speeds.
The following are typical causes for speed problems:
You invoked PPP through a program such as /bin/login and specified the speed of the line.
You started PPP from mgetty and accidentally supplied the bit rate.
Log in to the dial-in server and call the peer with debugging turned on.
If you need instructions, see How to Turn on PPP Debugging.
Display the resulting /var/log/pppdebug log.
Check the output for the following message:
LCP too many configure requests |
Check if PPP is invoked through a program such as /bin/login and the line speed that was set.
In such a situation, pppd changes the originally configured line speed to the speed that is specified in /bin/login.
Check if a user started PPP from the mgetty command and accidentally specified a bit rate.
This action also causes conflicting serial-line speeds.
Fix the conflicting serial-line speed problem as follows: