So the only consistent thing I can tell is that the DNS settings are reset to loopback for whatever account logs in after startup. After restarting and logging in they were replaced by the single loopback address. I made a new Location with my original account and set the DNS servers as 8.8.8.8 and 8.8.4.4. When I went to check them, they had been replaced by my router IP. I had set those to 8.8.8.8 and 8.8.4.4 before shutting down last time. Then I logged in as my original Admin account and checked the DNS settings. So I hit the "-" button and the router IP took its place again. When I logged back in to this new admin account, the loopback address was there again. So then I hit OK, Apply and then restarted. When I went into the DNS settings for the new account, that loopback address 10.200.0.1 was already there.Īs soon as I clicked on the "-"button, the router IP immediately popped in there. I made a new admin account and setup the network as before. I've flushed the DNS cache and cleared PRAM, but the system still boots up to only the old DNS settings so I have to manually change them every time I reboot.Īnyone else have this issue or know of a solution? I'm about to wipe everything and roll back to Sierra, where this problem did not exist for me. I have a admin credentials on this laptop, so the settings should be retained. ![]() It is as though the settings were never applied. ![]() Server-side caches run on the web server and are controlled only by the website administrator and cannot be affected by visitors to the site. ![]() The issue is that after a shutdown/restart, only the previous DNS address appears in the Network Preferences. A site cache is controlled by the user from their computer, as are most forms of DNS caching and browser caching, which like the name suggests is managed and retained by the web browser itself. I removed the ISP address, clicked OK, then Apply, and everything seems to be resolved. I added my router's IP address, which is what works for the other devices in my home. (I think it was my ISP's recommended address.) I did some troubleshooting and determined that the DNS server address in System Preferences>Network>Wi-Fi>Advanced>DNS no longer works. Recently, I have been unable to connect to the internet over my wi-fi connection. #Mac reset dns cache high sierra pro#I have a MacBook Pro 11,4 running High Sierra 10.13.6.
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