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C7000 Can not change LAN IP to 192.168.100.___
Hey All, So, I bought this REALLY nice C7000 Nighthawk cable modem router and I want to use it instead of the old cheap Comcast cable modem here. I have "upgraded" dozens and dozens of the cheap Comcast cable modem routers over the years with no problem. I have already configured the WAN side and it sees the web just fine. I have also configured the wireless just the way I want it. Final step was to change the LAN IP in this cable modem/router to 192.168.100.254 (I can change the last octet to anyone that is not currently being used on this network). But I need the first three octets to be 192.168.100. But EVERY TIME I change the LAN IP from the default of 192.168.0.1 to the IP of 192.168.100. ____ I get an error message of: "FAILURE Invalid data. LAN IP address overlapped" Now, before someone suggests it is because of DHCP routing I have both tried disabling DHCP AND leaving it on but set to a different range FAR away from the address that I use for the IP Address. Example: If I set the LAN IP to 192.168.100.254...... I set the DHCP range to 192.168.100. 70 TO 192.168.100.75 WITH NO CHANGE.... same error message. And I have tried several different combinations..... no help. I AM able to change the IP address to another IP like 192.168.1.1 etc. just fine. but NOT to the IP address that I absolutely positively need. There does not appear to be anything else in this cable modem/router that is using the IP of 192.168.100. ____ so, there is NO overlap. Not even the guest wireless as some other posts have suggested. I have tried everything I can think of with no success. But perhaps I have missed something. So, if anyone has a fix I would greatly appreciate it. Thanks in advance (smile)+++++++++++ NETGEAR N450 Disconnects Once every hour on the dot - DHCP ISSUES +++++++++++++
Model: NETGEAR N450 (CG3000Dv2) N450 WiFi Cable Modem Router Firmware: V3.01.06 OS: Windows 7 Enviroment: Single Modem, no router, direct wired connection My n450 was working fine for a couple months but this past week it started having problems. Once an hour, every hour, on the dot within a few seconds the N450 will disconnect for about 5 seconds then reconnect. I can precisely predict when it will disconnect before it disconnects and like clockwork the N450 will disconnect. I am not running this on a wireless connection, I have no cable splitters, no router, just a direct connection from the modem to the PC. I have checked the cables from my computer to the modem and the cable from the modem to the wall, and even the crawl space behind the wall leading to the outside cable box, all cables are in perfect condition. I did some research and people are claiming that the issue is a 1 DHCP hour lease and that sounds EXACTLY like the problem I am having. I searched the N450 N450 CG3000Dv2 User Manual and on page 69 the instructions for modifying the DHCP state: ------------------------------------- Reserve an IP Address for DHCP Use To reserve an IP address for DHCP use, enter the DHCP server reservation settings for the private LAN under DHCP Reservation Lease Info in the LAN IP screen. To reserve an IP address for DHCP: 1.Type http://192.168.0.1 in the address field of your web browser. A login screen displays. 2.Enter the modem router user name and password. The default user name is admin. The default password is password. The user name and password are case-sensitive. The modem router main menu displays. 3.In the main menu, under Advanced, select LAN IP. The LAN IP screen displays. 4.In the DHCP Reservation Lease Info section, enter the MAC address of the computer for which you want to reserve an IP address. 5.Enter the permanent IP address for the computer. 6.Click the Add button ----------------------------------- But literally on the third step these instructions stop working. There is no LAN IP button or link anywhere in the Advanced options. There are many threads on this issue for this specific modem with people claiming they are constantly getting disconnected. A common remedy people have suggested is to perform a factory reset so I did just that, but that also did not fix my problem. Here is a collection of threads that people posted with similar issues that I am having to hopefully prove this is not an isolated incident. Getting disconnected like this is incredibly frustrating as a gamer. Many of the games I play are senstive to disconnects and punish the player. For grandma browsing facebook a 1 hour DHCP timer would never be noticed. For me it's incredibly painful because not only do I get interupted once an hour, I have to sit out for 20-30 minutes to wait for the DHCP timer to expire before getting commited in a ranked match. https://community.netgear.com/t5/Cable-Modems-Routers/N450-disconnects-every-hour/td-p/1025699 https://community.netgear.com/t5/Cable-Modems-Routers/N450-WiFi-keeps-disconnecting/td-p/978900 https://community.netgear.com/t5/General-WiFi-Routers/DHCP-Lease-Length/td-p/466827 https://community.netgear.com/t5/Nighthawk-WiFi-Routers/Why-is-there-no-DHCP-Lease-settings-on-a-200-top-tear-router/m-p/1118769#U1118769 Please do not suggest returning the product, it's just insulting because I spent like 100$ to fix my internet problems by purchasing the n450, returning the product would mean 1 week+ with no internet and another 100$+ for another modem. Again I want to repeat what is so frustrating about this issue is that this router was working fine for months, and only a few days ago does this DHCP issue manifest.