NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
Forum Discussion
Netgear Nighthawk M5 MR5200 WAN issue
Hi, I have a Netgear Nighthawk M5 MR5200 (ip address 192.168.1.1) that is working with the IP passthrough and it is connected to the WAN port of an Asus AX11000 (ip address 192.168.2.1). I can acces...
Hi Ron, All,
I suspect I'm seeing a similar issue with IP Passthrough being unreliable.
Setup is an M5 Nighthawk, Telstra 5G (Mobile Broadband, not Home Internet) and OPNSense firewall (a close relative of pfSense)
With the Nighthawk in "Normal"/NAT mode it's pretty reliable. Switch to IP Passthrough and it's either flakey or just doesn't work at all. For the 5G device to be useable for I need to not have double NAT or, failing that, some other way to determine my external IP addres I guess. Hence the questtion;
You mention in your post RonGonz;
The first problem I experienced is that the WebUI configuration dialog defaults the subnet mask to a /32 address space, so by default it is set to 255.255.255.255, rather than a /24 space: i.e. 255.255.255.0. This causes a configuration issue for IP PassThru on PF Sense because the gateway would appear to be outside the subnet of the interface IP due to the host only mask. Changing it to /24 subnet mask resolves the issue.
Please pardon my ignorance but I assume here you mean the WebUI for pfSense rather than the M5 - I couldn't find a subnet setting in the latter ?
JohnPeng realise we're very close to Christmas but are you able to share any insights on a firmware fix on this - my 30 day return window with Telstra is rapidly closing :)
Thanks in advance for any insights!
Cheers,
Hugh
You'll be behind CGNAT, so your external IP address is pretty useless anyway. That doesn't mean that the passthrough isn't useful of course.
hughhalf wrote:With the Nighthawk in "Normal"/NAT mode it's pretty reliable. Switch to IP Passthrough and it's either flakey or just doesn't work at all. For the 5G device to be useable for I need to not have double NAT or, failing that, some other way to determine my external IP addres I guess. Hence the questtion;
@hangiemo wrote: You'll be behind CGNAT, so your external IP address is pretty useless anyway. That doesn't mean that the passthrough isn't useful of course.
That's not true in all cases. When I use ip pass thru I get a live routable internet ip from my carrier. My understanding of cgnat is that it functions the same as nat, in that it tries to translate a private ip to a public one. So I am not sure that I understand what you are talking about.
- I was referring to Telstra in this case. As to what I was referring to : the IP is useless for inbound traffic. You couldn’t use it to expose services on your IP because it isn’t yours. A topical reason for wanting the IP is for DDNS to potentially expose services. My experience is this is impossible with Telstra 5G (or 4G).
- Gotcha! This makes sense! Thanks for that.
Kind regards.