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Forum Discussion
NetGear Router | WAN / LAN IP Conflict issue
I recently had an issue on my XR1000 where I was not able to apply IP address reservation in the LAN setup page, due to the router reporting back that the LAN IP range is in conflict with the WAN IP....
What FW is loaded on the XR router?
What browser are you using when you attempt to set an IP address reservation?
What brand and model# is the ISP modem or ONT that the XR router is connected too?
I recently had an issue on my XR1000 where I was not able to apply IP address reservation in the LAN setup page, due to the router reporting back that the LAN IP range is in conflict with the WAN IP. I have seen several posts in relation to this issue, one of which is:
The IP address conflicts with the WAN IP subnet. Please enter a different IP address. | NETGEAR Communities
If anyone else is experiencing this issue, check for this as a solution:
In the "internet setup" page in settings, check for any LAN IP's entered as your DNS servers, i.e. do you have primary / secondary DNS set as your LAN IP of the router or any other internal devices like a DNS server on your LAN? Try changing the DNS servers to something external like 1.1.1.1 and 8.8.8.8, THEN try applying your LAN settings config, you might find that the error message no longer exists.
This problem should not exist, but I guess it could be a bug / oversight in the coding.
The firmware is XR1000 1.0.0.74_1.0.63.
The issue is resolved when I populate the DNS server fields with external (non-LAN) IP addresses. The issue only exists when I have LAN IP in the DNS server, and then try to apply config changes in the LAN setup page.
Possible for the XR series, requires external DNS addresses and not something supported if a LAN side address is used. This is a gaming router so focus maybe pointed at connections and getting gaming performances between WAN and LAN and using this in a standard connection path way. Having a internal DNS service or device may not be what was intended or may inhibit correct operation of the gaming system and FW. These gaming routers are fairly complex in what there features are and do.
Something to try, set the routers default DHCP IP address range to .100 to .200. Then set a static IP address on your DNS service device to something that is not with in the new DHCP IP address range. After thats configured, then try to apply the static IP address given on the DNS service device and set it in the routers DNS address menu. What do you see then?
I'll check this out with my XR as well and see. Most of the time, i've only used external DNS addressing and nothing from the LAN side.