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Forum Discussion
Dinner42w_aView
Nov 27, 2025Aspirant
Can LAN interface of RS100 be set to a public IP address?
I have obtained a /29 range of public IP addresses from my ISP. That /29 network resides on the LAN interface of the cable router/modem/whatever you want to call it. At the moment I am using a Zy...
CrimpOn
Nov 27, 2025Guru - Experienced User
Yes, defining a Static IP address for the router WAN port is a feature of the RS100. From page 29 of the User Manual:
https://www.downloads.netgear.com/files/GDC/RS90/RS100-90-70_UM_EN.pdf
The key is that the ISP assigns the address. Customers cannot just decide on their own what public IP address they want to use.
Dinner42w_aView
Nov 27, 2025Aspirant
Hi CrimpOn,
It's the LAN interface of the router I need to set to a public IP address - not the WAN port. I know there'll be no problem on the WAN interface.
To be honest, I would never have expected this to be a problem on ANY router until I found out the hard way that my Sagemcom router won't let me do it.