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FRITZ!Box reports "PPPoE error"

The FRITZ!Box cannot establish an internet connection in router mode. One of the following error messages is displayed in the event log of the FRITZ!Box:

  • "PPPoE error: DSL synchronization lost [...]"
  • "PPPoE error: Incorrect parameter [...]"
  • "PPPoE error: Incorrect service name [...]"
  • "PPPoE error: Illegal packet from PPPoE server [...]"
  • "PPPoE error: PPPoE server reports a system error [...]"
  • "PPPoE error: PPPoE server reports a problem [...]"
  • "PPPoE error: Unknown error [...]"
  • "PPPoE error: Timeout [...]"

Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.

1 Installing the latest FRITZ!OS for the FRITZ!Box

  1. Install the latest FRITZ!OS on the FRITZ!Box.

2 Checking DSL synchronization

The following step is only necessary if the FRITZ!Box is connected directly to a DSL line:

  1. Click "System" in the FRITZ!Box user interface.
  2. Click "Event Log" in the "System" menu.
  3. Select "Internet Connection" from the drop-down list.
  4. If the message "DSL is not available" or "DSL not responding" is displayed before the PPPoE errors, follow the steps in our guide DSL connection drops frequently.

3 Contacting your provider

  1. Contact your internet service provider.