SDB:Compression Problems with T-Online

Şuraya atla: kullan, ara


Symptom

Apparently, the Internet connection to your ISP has been properly set up, but you cannot access any Internet addresses.

The system logfile /var/log/messages may contain the following messages:

pppd: rcvd [CCP ConfReq id=0x1 <lzs 0 1 4>]

pppd: sent [CCP ConfRej id=0x1 <lzs 0 1 4>]

Cause

Negotiations fail between you and your ISP through CCP (Compression Control Protocol). As a result, the communication from your provider's side seems not to work properly any more.

Solution

Proceed as follows to prevent any compression and asyncmap negotiations from your side.

  1. Start your Linux system.
  2. Log in as a normal user and start your desktop.
  3. If you use KDE, press the key combination ALT+F2.
  4. Enter "xterm" in the input field.
  5. Press "run".
  6. Enter the command "su -" in the next window.
  7. Enter the root password when prompted to do so.
  8. Enter the command "echo noccp >> /etc/ppp/options".
  9. And then "echo default-asyncmap >> /etc/ppp/options".
Note: If you use dial-on-demand (DoD) on your system, the pppd process must be restarted.

<keyword>tonline,compression,lzs</keyword>

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