Recent updates may have expanded access to feature(s) discussed in this FAQ. Visit your product's support page, select the correct hardware version for your device, and check either the Datasheet or the firmware section for the latest improvements added to your product. Please note that product availability varies by region, and certain models may not be available in your region.
Problem Description: The internet is working properly, while on the router's web-based Utility, you see the error message as below on "Diagnostics" section.
Reason: ADSL terminal equipment does not support OAM cell test, but “Test ATM-OAM fail” does not have any side effect on ADSL modem. it is still working properly.