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Base LAN address changes when Starlink looses satellite connection
I have a Starlink connection with the router in bypass mode. I am using a Nighthawk as DNS and DHCP server for the network. I have a requirement of a LAN base address of 192.168.100.x with a couple of fixed IP address devices.
My problem is whenever the router looses connection to the gateway (Starlink looses satellite contact) the base IP address for my LAN changes to 192.168.1.x or 10.1.1.x and my network is broken. How do I prevent the Nighthawk from doing that? I have used old routers that keep the base address unchanged when internet connection is lost. It seems this address change is a "feature" in newer routers.
Thanks for any help!
Something that can't be done on the NH router. It has to use something other than 192.168.100.x That's already in use by the ISP Internal service so it can't be used that's why. You have to run the NH router 192.168.1.x, 172.x or 10.0.1.x.
Contact the ISP and have them help you with this.
16 Replies
What model router do you have?
You shouldn't be using 192.168.100.x sub net as it maybe something that the StarLink is already using thus the NG router is auto detecting this and changing to something different to avoid this conflict. You can use same IP address subnet across two routers. Will not work.
R7000P. The Starlink is in bypass mode so we are getting a WAN address from their gateway. The problem is with the NG loosing internet connection and reassigning a LAN base address. Older routers did not do this and apparently this is a new "feature". Is there anyway to disable this from happening?
No. The R7000P should not be using 192.168.100.1 as this is a ISP modem default IP address for some cable modem or ISP modem web page access which is not changeable. So the R7000P needs to use something different like default 192.168.1.1 or 10.something.
What FW is loaded on the R7000P?
What CAT# Lan cable are you using? CAT6 is recommended.
What you may need to do is put the Starlink into router mode then put the R7000P in router mode into Startlinks DMZ. Contact the ISP for help and information regarding this and configuration of there gateway to use with external routers.
Or use the R7000P in AP mode.