NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
Forum Discussion
Disable auto change IP address
I've seen similar posts about a way to disable the auto change IP address before. They've been brushed off. The 'answers' and 'solutions' are wrong. There is an issue with the product. Every month wh...
The model of the ISP modem shows he's in a double NAT condition.
Just need to figure out if he can either bridge the modem or get the IP pass thru or DMZ configured correctly with a reserved IP on the modem for the orbi if the modem can't be bridged.
This discussion has exposed even more of my networking ignorance, and I am so confused. It appears that I do not even understand the problem. i.e. What, exactly, causes garretg84 to go "chasing IP's" every month?"
My modem/router is a ubee DVW32CB. It has been installed for years. My devices appear to do what they are supposed to do. I have PC's, phone, tablets, TiVo, television, Blu-Ray, Vizio soundbar, thermostat, wall plugs, IP cameras, etc. Everything "works". I used the password printed on the ubee label to check the modem settings. Although the "radio" is set to "enabled", both the 2.4G and 5G "primary networks" are set to "disabled" and I cannot detect any WiFi coming from the modem/router. I cannot find a setting called "Passthrough", but on the "Advanced" tab there is a setting called "Primary Network Bridged" which is not enabled. The modem definitely assigns DHCP. Although the modem web interface is at 198.162.100.1, it gives itself 198.162.0.1 and assigns my Orbi 192.168.0.3 (have no idea what happened to "2") So, it is pretty clear that I have a "double NAT."
My Orbi also assigns DHCP in 198.162.1.x and gives itself 198.162.1.1. Frankly, I do not understand what difference it would make if I had chosen 10.99.99.x and given the Orbi 10.99.99.1. What happens on the WAN side is entirely separate from the LAN side. (Or, not?)
So, why does he go through hell every month and I do not? Is it because even with numerous devices, my network use is "dirt simple?" i.e I do not use DDNS, VPN, port forwarding, port triggering, etc. etc.? If I tried any of those things, my "double NAT" would cause me to fail? If I set my ubee modem "Primary Network Bridged" to "enable", would my life to to hell?
There is something that must be obvious to everyone that I just do not understand.
I guess nobody read my actual post. I said *public ip* as in non-rfc1918 or other reserved IP space. There is no double NAT. The ISP calls bridge mode 'pass through'. I have no access to the modem itself other than to view its connectivity status (ISP locks us out) - and that is only while I've been given an RFC 1918 non-public IP before it connects and turns into pass through (bridge) mode.
TLDR - No double NAT. No actual IP conflict. Orbi loses its mind.Ok, just checking and trying to understand your configuration.
Yes seems like the Orbi is havning problems with the modem and possible modem changes.
Something to try, can you set up a static IP address using the public IP address the Orbi is getting from the modem pass thru? Instead of using Dynamic DHCP try Static Mode on the WAN port. Normally this shouldn't be needed and it would normally required having the ISP give you static IP address. Something you might ask the ISP about so the public IP address doesn't change. However this maybe a problem with the orbi router and could be just faulty as others have modems with pass thru and havn't expressed this kind of problem with there Orbi. Something I would file a ticket here and get more help on and ask about an RMA:
https://www.netgear.com/mynetgear/registration/login.aspx
RMA would reveal if the problem was the Orbi you have now or something in FW that doesn't like your particular modem combo unit.
garrettg84 wrote:
I guess nobody read my actual post. I said *public ip* as in non-rfc1918 or other reserved IP space. There is no double NAT. The ISP calls bridge mode 'pass through'. I have no access to the modem itself other than to view its connectivity status (ISP locks us out) - and that is only while I've been given an RFC 1918 non-public IP before it connects and turns into pass through (bridge) mode.
TLDR - No double NAT. No actual IP conflict. Orbi loses its mind.
CrimpOn wrote:
This discussion has exposed even more of my networking ignorance, and I am so confused. It appears that I do not even understand the problem. i.e. What, exactly, causes garretg84 to go "chasing IP's" every month?"
This is what they are trying to figure out.
My modem/router is a ubee DVW32CB. It has been installed for years. My devices appear to do what they are supposed to do. I have PC's, phone, tablets, TiVo, television, Blu-Ray, Vizio soundbar, thermostat, wall plugs, IP cameras, etc. Everything "works". I used the password printed on the ubee label to check the modem settings. Although the "radio" is set to "enabled", both the 2.4G and 5G "primary networks" are set to "disabled" and I cannot detect any WiFi coming from the modem/router. I cannot find a setting called "Passthrough", but on the "Advanced" tab there is a setting called "Primary Network Bridged" which is not enabled. The modem definitely assigns DHCP. Although the modem web interface is at 198.162.100.1, it gives itself 198.162.0.1 and assigns my Orbi 192.168.0.3 (have no idea what happened to "2") So, it is pretty clear that I have a "double NAT."
Yes, you have double NAT. Most people will never notice. It makes life difficult for me because I have to host internet accessible things from time to time which is why I had to ask my ISP to put me in "pass through" (bridge) mode to eliminate double NAT.
My Orbi also assigns DHCP in 198.162.1.x and gives itself 198.162.1.1. Frankly, I do not understand what difference it would make if I had chosen 10.99.99.x and given the Orbi 10.99.99.1. What happens on the WAN side is entirely separate from the LAN side. (Or, not?)
That is not entirely true. Most network devices will not function with overlapping IP space (though being chosen as a gateway a device could simply pass traffic anyways, but they don't). When they create their internal route tables, which interface would they send out to for the next hop if the had overlapping networks?
So, why does he go through hell every month and I do not? Is it because even with numerous devices, my network use is "dirt simple?" i.e I do not use DDNS, VPN, port forwarding, port triggering, etc. etc.? If I tried any of those things, my "double NAT" would cause me to fail? If I set my ubee modem "Primary Network Bridged" to "enable", would my life to to hell?
Your double NAT is probably protecting you. Your IP address is staying the same when your modem actually resets. Because mine must offer local rfc1918 addresses before it connects for diagnostic purposes it is freaking out the Orbi more than likely. Unfortunately, even the rfc1918 addresses do not conflict with the Orbi's network 192.168.100.x vs 10.99.99.x and it still loses its mind. It then continues to flip between different subnets still thinking there is a conflict. The cable modem is humming along at 192.168.100.x - then dropping the interface and bringinb it back up with a public IP (45.36.x.x) and Orbi is flipping through 4 or 5 different rfc1918 subnets and still thinks there is a conflict. This is why I'm insistant that there is a bug.
There is something that must be obvious to everyone that I just do not understand.
No. There is nothing that you aren't picking up on here. Most of these folks are ignoring what I post and just posting common responses to similar sounding issues.
