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Forum Discussion
wadjei9000
Jan 03, 2024Aspirant
Intranet IP address in internet setup
Having previously been up and running just fine, I've changed ISP and am now unable to get port forwarding to work. I think the issue is in the Orbi, not the ISP but I can't figure out what the pr...
- Jan 03, 2024
I presume you mean that IPv6 is disabled on the RBR router?
Ya seen some ISPs have odd issues with IPv6. Not to mention Orbi FW can have some oddities as well.
Glad you got it working. Please mark your thread as solved so others will know. Be sure to save off a back up configuration to file for safe keeping. Saves time if a reset is needed.
https://kb.netgear.com/000062080/How-do-I-back-up-the-configuration-settings-on-my-Orbi-WiFi-System
Enjoy. đĄ
wadjei9000
Jan 03, 2024Aspirant
I have that setting too. The mystery one is near the bottom of the screen for me.
It looks like I have the current software - v7.2.6.21_5.0.20
Router is connected directly to the ONT via the WAN port. It's exactly the same physical connection that I had with my previous ISP until a few weeks ago.
in this case, I moved from Sky to PlusNet ... this lost me IPv6 (which I hadn't appreciated) and needed me to use the PPPoE configuration which I had never done before. I do have a public IP address so double NAT is not an issue.
Here's my full screen with public IP redacted.
â
I since tried enabling the mystery setting but, of course it doesn't seem to have made any difference.
I'm sure port forwarding was working before as I have servers that connect in to a machine on my LAN to read a status page and they worked fine until yesterday. I did try (and fail) to get tunnelbroker services working which led to this headache; I've since completely disabled the IPv6 function in the router but port I'm still having issues reaching the machines via the forwarded ports from the internet and from the lan (via my public IP). On the LAN the target ports are reachable and responding fine.
FURRYe38
Jan 03, 2024Guru - Experienced User
I'd make contact with your ISP and have them help you with this. Be sure to ask them if connecting a external router ot there ONT is supported by them or if there router is needed.
Power OFF the ONT and RBR for 1 minute then back on as well.
- wadjei9000Jan 03, 2024Aspirant
Thanks, I'll give those a try (havent powered off the ONT since our provider switch)
Plusnet specifically said that a third party router is supported (they helped me configure it initially as I didn't know a login was required).
As to port fowarding, they don't provide any help with this and referred me to their "community forums" ... I joined but cannot post a new question so that's proved as useful as a catflap in an elephant house.
I may factory reset the device and see if starting from scratch helps, but I'll have to do all that later when no one's expecting internet access to work lol!
- FURRYe38Jan 03, 2024Guru - Experienced User
Might ask the ISP to provide you with there branded router to connect then you could connect the Orbi system to there router in router mode using the ISP DMZ on there router, or configure the Orbi system for AP mode while using there router.
- CrimpOnJan 03, 2024Guru - Experienced User
Thanks for the tip on scrolling to the bottom. Still not there on my RBR750. Perhaps this is related to the PPPoE login?
- wadjei9000Jan 03, 2024Aspirant
yeah, might well be a PPPoE thing.
I ended up finding an old settings backup (from the Sky days) restoring that and reconfiguring the internet login section and, voilĂ everything started working again, exactly as before!
Unfortunately, the backup cfg files are all binary so I will never know what it was that borked the router so hard. As far as I can tell, all the important screens look identical (apart from the IPv6 one).
Thanks for the tips everyone, I'll just make a mental note to take a settings backup before I go anywhere near the IPv6 screens again until Plusnet get their act together!
- FURRYe38Jan 03, 2024Guru - Experienced User
I presume you mean that IPv6 is disabled on the RBR router?
Ya seen some ISPs have odd issues with IPv6. Not to mention Orbi FW can have some oddities as well.
Glad you got it working. Please mark your thread as solved so others will know. Be sure to save off a back up configuration to file for safe keeping. Saves time if a reset is needed.
https://kb.netgear.com/000062080/How-do-I-back-up-the-configuration-settings-on-my-Orbi-WiFi-System
Enjoy. đĄ