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Most RecentMost ViewedMost LikesC6300 not able to reach ipv4 sites, but only ipv6 sites Started using my C6300 at a new home with Xfinity/Comcast cable in May 2017. About two days ago (mid-September 2017), we couldn't reach most sites and received 'server can not be found' or 'internet not reachable' errors to ipv4 sites. We can reach the big ipv6 sites like Google, Facebook, Youtube, via both wifi and directly connected with ethernet to modem. I called Xfinity and rebooted modem multiple times, to no avail. Xfinity rep stated it could be a firmware change from Netgear (although from i read online, Xfinity/Comcast controls the firmware updates of the netgear modems?). I can see ipv6 address, but no ipv4 router address in my wifi settings. And when i test my ip address on the one website i can reach (http://whatismyipaddress.com/ds-check), it shows an ipv6 address, but ipv4 is "not detected." Xfinity stated i should test one of their modems, or have technician come out to test one (for a fee). The other solution offered was to try a factory reset on my modem. Any insight out there on why after months of working fine, ipv4 sites can no longer be reached? Thanks TJ SolvedNetgear C3000 IPV4 address issue Hi, I noticed that I have a IPV6 address with netgear C3000. However IPV6 could sometimes blocked by other website because of potential DDOS attack source. So I want to get IPV4 only, how can I do that, please provide me the steps, thanks! Alex
