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Forum Discussion
mcnitzken
Jul 31, 2021Guide
ORBI RBS750 no longer stable in v4.6.3.7 - Possible downgrade assistance
Hi, was hoping I might get some help here as after calling Netgear I got met with "Everything appears to be fine", despite the fact the satellite no longer works. I have an Orbi 752 set with 1 RB...
- Jul 31, 2021
I'd actually tried most of these options as I'd seen some of the previous posts and started trying everything out of desperation. I've sort of reached a point of a usable point, although probably not the optimal situation.
the router seems to be stuck on the v4 firmware, but I was able to downgrade both satellites to v3.18 and after a factory reset they connected up and are working normally. So basically I have two different firmwares running, but my speeds are actual normal and the coverage is stable now.
So, while definitely not a perfect option for anyone else stuck with a non working system after v4 you can
1. Go to the RBS750 support page and download the latest v3 firmware (I used the v3.18)
2. Plug into each satellite with Ethernet and manually load the downgrade and run it
3. Factory reset the router and set it up the satellites and internet
4. On one of the satellites I needed to do a factory reset on the satellite as it had a different login password after the downgrade and was showing solid purple.
5. I also set static ips for both of my satellitesIts not 100% perfect as I occasionally see out of sync messages in the logs, but the satellites themselves powered on and connected as blue and after a minute or two the light went out and they both have ~30 devices hooked up to them now with the router having another 40. Everything is getting decent speed tests and is able to work on the network. It's been stable for over 2 hours now, so I'm going to consider this a win as I had at most 5 mins of stability for the last 24 hours.
I'll probably leave my network in this split firmware state and hope that netgear can release some updated firmware that doesn't nuke the satellites soon!
FURRYe38
Aug 03, 2021Guru - Experienced User
What mode is the RBR running in? Router or AP mode with the ATT Router?
Your ISP Modem already has a built in router and wifi. This would be a double NAT (two router) condition which isn't recommended. https://kb.netgear.com/30186/What-is-Double-NAT
https://kb.netgear.com/30187/How-to-fix-issues-with-Double-NAT
Couple of options,
1. Configure the modem for transparent bridge or modem only mode. Then use the Orbi router in router mode. You'll need to contact the ISP for help and information in regards to the modem being bridged correctly.
2. If you can't bridge the modem, disable ALL wifi radios on the modem, configure the modems DMZ/ExposedHost or IP Pass-Through for the IP address the Orbi router gets from the modem. Then you can use the Orbi router in Router mode.
3. Or disable all wifi radios on the modem and connect the Orbi router to the modem, configure AP mode on the Orbi router. https://kb.netgear.com/31218/How-do-I-configure-my-Orbi-router-to-act-as-an-access-point and https://www.youtube.com/watch?v=H7LOcJ8GdDo&app=desktop
I recommend you open up a support ticket and reference this thread for review with NG support.
Seems that if it had been working before the FW update, something broke afterwards with having switches in between the RBR and RBS.
Be aware that your 1 GS108E is legacy and should be replaced. GS108v4 should be it's next successor model.
Be sure your runing ALL CAT6 LAN cabling. Don't mix with older CAT versions.
wrakoski wrote:The cable hooked to my RBR is at least CAT5, not sure about CAT6. The pigtail cables I used to attach the RBS to the switch is CAT6. A couple of other points, in all cases the RBS got an IP address from the DHCP server (my AT&T router) so it was communicating but wouldn't sync to the RBR. Additionally, based on my cable setup, I had to route the RBR cable through each switch an in all cases the RBR had no trouble reaching the internet through the same switch which broke the ethernet backhaul.
I don't have those other switches.
wrakoski
Aug 03, 2021Aspirant
It's in AP mode as I tried in vain to get my NVG589 to do proper passthrough.
All wireless radios are turned off on the NVG589. I'd like to bypass it, but there are countless posts in many forums that that particular AT&T router won't do passthrough.
Thanks for your help!
- FURRYe38Aug 03, 2021Guru - Experienced User
I'd ask your ISP to see if there is a more up to date modem or if there is a modem only unit available with out a built in router.
Does this modem have a DMZ? IF it does you can use the DMZ on the modem for the RBR in router mode...
wrakoski wrote:It's in AP mode as I tried in vain to get my NVG589 to do proper passthrough.
All wireless radios are turned off on the NVG589. I'd like to bypass it, but there are countless posts in many forums that that particular AT&T router won't do passthrough.
Thanks for your help!