I have an ADSL 2 connection with a D-Link AC 1720 modem. This setup has been quite reliable until the last month or so (for 3 years). We now have frequent re-starts on the modem. Having checked the modem logs the error message it has is "no upstream servers configured" See the photo. I see this as a TPG issue. Nothing has changed from my side (no new firmware or changes to the configuration) any ideas?
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