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R7000 can't access admin page anymore and DHCP IP Range changed on its own
I noticed recently that my internal IP range changed from 192.168.1.* to 10.0.1.* on its own. I believe I had the router configured to auto update to new firmware, so I'm guessing it updated itself a...
I was able to determine the cause. It tipped me off when you said the IP range changes when there's a second device doing DHCP. I noticed there were new computers on my network when I looked at network file sharing. I use the Netgear Powerline device to get wired connections to my living room. What I believe happened is that my neighboring apartment unit recently set up internet and is also using a powerline device. I noticed my DNS suffix was changing to a different address which is the ISPs instead of my router. I put 2 and 2 together and realized my network was overlapping with his via the powerline. I never set up an encryption key on the powerline so it was still using default settings and connecting to my neighbors powerline. When I added the encryption key, the problem went away and my network returned to normal. Next time I should follow the instructions when setting up new network hardware. Oops
How a gateway address can be assigned to a device? DHCP is not that dumb!
All you need do is set it to be that. Printer's can be easily, and can almost and network card. Nothing stops you from setting the router to a different IP Address within the private network too as the gateway. Go to ADVANCED --> SETUP --> WAN SETTINGS and you can change the DEFAULT of 192.168.1.1. Useful when more than 1 router is in a network. Easy to mess up and have a collision with other devices.
Useful ip address starts from 192.168.1.2 is it not? You mean you can clobber the gateway address at will or by accident? Mever saw it
happening.
Yes, when the default is used. Everything can be changed. I used to limit the wireless/wired addresses to starting at 192.168.1.100 to .254 and used under .100 for devices I wanted to have FIXED IP Addresses so there was never a chance of a collision with ones getting DHCP IP Addresses.
Same here, just by looking at ip address I know what device it is. Most devices are on 7/24.