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Grateful_Guy's avatar
Grateful_Guy
Aspirant
Oct 31, 2020
Solved

Updating DNS Server names on my Nighthawk X4S R7800

Greetings, all! First post here, hoping someone can help me. I'm somewhat savvy in networking and PCs, but figure I can always learn something, and figure this is a good place to start. I'm trying...
  • schumaku's avatar
    schumaku
    Nov 01, 2020

    The configuration of the DNS IP servers applies to the router only. The Netgear consumer routers are pusing out the router LAN IP with the DHCP along wth the IP address and subnet.

     

    More comprehensive routers offer dedicated controls for the DNS servers used by the router, and the DNS servers hand out by the DHCP server. This isn't available on these devices.

     

    If you have configued DNS servers on the DHCP enabled adpater is not Negear's issue.

     

    The combination Windows does make out of the adapter locally manual configured DNS addresses while still being a DHCP client, adding the DHCP supplied DNS IP to the end of the list (what makes sense under some conditions) is a different story, and up to Microsoft.

schumaku's avatar
schumaku
Guru - Experienced User
Oct 31, 2020

Whatever you configure on the router, the DHCP server will hand-out the router LAN IP address and act as a DNS relay.

 

 

  • Grateful_Guy's avatar
    Grateful_Guy
    Aspirant
    Oct 31, 2020

    Thank you for the answer, Schumaku. So, if the router is passing those DNS server entries out, why am I not seeing the ones that are currently entered in the router when I look at the "ipconfig/all" results on my local machine?
    Forgive my ignorance, but I'm still not getting why what's entered in the router is not reflected on my PC....

    • antinode's avatar
      antinode
      Guru
      Oct 31, 2020

      > I'm trying to update my DNS server entries to servers that test as
      > faster (*).

       

         Why?  How many seconds/year do you expect to save by using a faster
      DNS server?

       

      > [...] but on my local machine, I still see the old settings.

       

         You're one up on me; with my weak psychic powers, I can't see any of
      your "the settings", old or new.

       


      > [...] if the router is passing those DNS server entries out, why am I
      > not seeing the ones that are currently entered in the router when I look
      > at the "ipconfig/all" results on my local machine?

       

         The DHCP server in the router will normally be passing out its _own_
      (LAN) IP address to DHCP clients.  As already explained:

       

      > [...] the DHCP server will hand-out the router LAN IP address [...]


         If anyone other than you could see what you're seeing 'when [you]
      look at the "ipconfig/all" results on [your] local machine', then you
      might get a better explanation sooner.  Copy+paste is your friend.

      • Grateful_Guy's avatar
        Grateful_Guy
        Aspirant
        Nov 01, 2020
        Antinode, thanks so much for the answer. It's amazing that you're able to include so much wit and sarcasm with so little helpful information. But I'll play along, and will answer your questions, if only to keep the fun and frivolity going!

         

        >   Why?  How many seconds/year do you expect to save by using a faster
        DNS server?

        I hope to save many, many seconds a year, perhaps more than I can count!  That way I'll have even more time to post questions in forums like this. But seriously, I guess I'm just a fool for optimizing things when I can, even if the payback is only in my head.... 

         

        > You're one up on me; with my weak psychic powers, I can't see any of your "the settings", old or new.

        Agreed, your psychic powers are weak, but I'll include images this time to help you out! 

         

        >   The DHCP server in the router will normally be passing out its _own_ (LAN) IP address to DHCP clients.  As already explained:

         

        I understand that, my question is related to the disparity between the DNS server addresses entered in the router and what I'm seeing on my PC. By my thinking (and as you may have guessed by now, I'm not an expert), they should be the same.

         

        If anyone other than you could see what you're seeing 'when [you] look at the "ipconfig/all" results on [your] local machine', then you
        might get a better explanation sooner.  Copy+paste is your friend.

        Your wish is granted, I've involved my new best friend and have added images to the post, so perhaps someone here will have a better understanding of my question.