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orchidist's avatar
orchidist
Aspirant
Jun 10, 2016
Solved

Configuring AC1750 R6400 on static network

I just started working with an office whose network has a Sonic firewall with DHCP disabled.  All computers and printers have static IP addresses.  I want to add a wireless router to the network which will assign dynamic IP addresses to the wireless devices.  I have not been successful in getting internet access through the wireless.  How do I setup the R6400 for the network?  Thanks!   

Installation
  • orchidist's avatar
    orchidist
    Jul 14, 2016

    Thanks for the suggestions and the warnings.  I worked with Netgear support, but was never able to get the AC1750 setup on the static network.  The Soho firewall died this week and we had to replace the firewall so I enabled DHCP and configured the AC1750 as an AP. 

8 Replies

  • TheEther's avatar
    TheEther
    Guru
    Jun 10, 2016
    1. Connect a single computer to R6400 and log in.  Do not connect the R6400 to the network, yet.
    2. Configure the Wi-Fi settings, as desired.
    3. Go to LAN Setup
    4. Change the IP address.  Make sure the address is in the same subnet as the office network.
    5. Set the starting and ending IP addresses on the DHCP server to avoid any address conflicts with the computers and printers on your network.
    6. Click Apply.  You computer will lose its connection to the router, so log in again using its new address.
    7. Configure a static route (0.0.0.0/0.0.0.0) with the appropriate gateway address (presumably your Sonic firewall).
    8. Connect R6400 LAN port to the network.  Leave the WAN/Internet port disconnected.
    9. Test a wireless device.
    • orchidist's avatar
      orchidist
      Aspirant
      Jun 11, 2016

      Thanks TheEther for your reply.  Just a question to clarify on Step 7.  I will configure a static route in the Internet settings, as if there was a static IP address with an ISP, but using an unused static IP address on the office network, subnet mask and gateway of the Sonic firewall.

       

       

      Thank you again.

      • TheEther's avatar
        TheEther
        Guru
        Jun 11, 2016

        The static route is configured in ADVANCED > Advanced Setup > Static Routes.  Enter 0.0.0.0 for the Destination IP address and 0.0.0.0 for the subnet mask.  Enter the IP address of the Sonic Firewall as the Gateway IP address.

         

        The purpose of this static route is to send all traffic from wireless clients to the Sonic Firewall.  Without it, wireless clients will not be able to access the Internet.

         

        If your Sonic Firewall supports RIP, then another option is to enable RIP it on both the Sonic and R6400.  RIP is a routing protocol.  The R6400 could dynamically learn the 0.0.0.0/0.0.0.0 route from the Sonic Firewall through RIP.  Then you wouldn't need the static route.  But, honestly, I wouldn't bother with RIP.  It would only make sense to use it if you have multiple ways to access the Internet.