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131 posts

Master Geek
+1 received by user: 43

Topic # 231868 17-Mar-2018 15:18
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I rebooted my Bigpipe Modem/Router this week (standard Huawei HG659) and ever since then ethernet/LAN connections have been unable to connect to the internet. 


WIFI is getting Internet (which is how I am writing this).  Ethernet connects but reports an "Unidentified network with no Internet Access" 


Have tried two different computers (one linux, one windows 10), Lan cables, ports on the Router - no difference. 


When on the WIFI, I can connect to the Router and it shows the computer as connected via LAN. 


So connection is working.  Router is working and providing internet over WIFI, but I can't get internet over the LAN cable. 


Stumbling around through the configurations I have noticed the following difference between the connections: 
Wifi has IPv6 and IPV4 DNS servers listed. 
Ethernet has only IPv6


So to resolve the issue I either need to get IPV4 available via ethernet again, or configure my computer for IPv6 internet addresses.
I'd also like to understand what happened here, but that might not be possible :-)
Either the router reboot, or maybe a sneaky windows update changed settings?  


Any pointers as to where to switch these things on/off?  On the modem?  In windows? 







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1292 posts

Uber Geek
+1 received by user: 295

  Reply # 1979039 17-Mar-2018 15:39
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Your situation sounds similar to that from this thread last week:



Give disabling the Wi-Fi adapter a try, perhaps just through Device Manager then restarting.



You may also want to try resetting the modem back to factory defaults.



Do you know whether the system is detecting the interface as cable plugged in on both operating systems? As to rule out failure in the modem board.

131 posts

Master Geek
+1 received by user: 43

  Reply # 1979268 18-Mar-2018 11:29
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Thanks for the link.  It does indeed look very similar. 


Looks like it got resolved in that thread by setting the IP configuration manually rather than using DHCP.


Will try your suggestions. 


I'm fairly certain that both systems are detecting the network cable.  The relevant connections appear/disappear if I unplug the cable, so there is a connection being made. 

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