NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
Forum Discussion
AlexanderSextus
Nov 04, 2021Star
CAX80 can't upload 5GHZ
Im having serious issues trying to get this figured out, ive tried playing with everything for teh last 6 hours to get my uploads to work in 5ghz mode. Im literally 25 feet from the router and any fi...
- Jun 14, 2023
Firmware version 5.1.1.2 is what everyone needs to push for to be released.
ilikecerealtoo
Jan 19, 2023Tutor
I wanted to keep this thread alive because I bought a Hardware version 1.00 back in 2021 and it was bricked last summer along with many of you (Xfinity & Netgear problem). Netgear sent me a hardware version 1.01 replacement in August 2022.
Now, I am having this 5GHz upload issue too. Since August I was also confused why craigslist and nextdoor sale photos would not upload, google photos uploads were sluggish... All these same issues. Today I was trying to use MS Teams and sure enough, file upload over 1MB? Nope...
I checked my CAX80 admin page and the logs? Empty of any errors or warnings.
I thought maybe the firewall/NAT filter was triggering. Nope.
Maybe 5GHz connection was unstable? Nope, the network is crowded but not on DFS channels 😉
Maybe it was just my phone? Nope, happens on my Macbook Pro (Intel), my wife's Macbook Air, my Pixel 6 Pro, and my custom Win11 desktop.
Was this issue happening before August 2022 when I had the hardware version 1.00? Nope, and if I was it was so subtle I didn't notice.
Is this a Xfinity / Netgear issue? It sure as heck sounds like it. It was a Xfinity modem-side firmware update that bricked my CAX80 last summer ('22). Now only Xfinity CAX80 customers are also having upload issues? *sus* Xfinity... They want us to be just annoyed enough to pay for their monthly rental modem but avoid government watchdog scrutiny. Can anyone access the data inside the modem-side firmware? I bet something is a 0 that should be a 1 but they don't care enough to fix it.
Could this possibly be a DFS issue? Have we all settled on blaming Xfinity? It seems to be the only constant.
FURRYe38
Jan 19, 2023Guru - Experienced User
What Firmware version is currently loaded?
Are the uploads stopping or stalling or just going really slow?
What channels are you using?
Smart connect enabled or disabled?
Is Armor, SPC or Traffic Meter enabled?
Has a factory reset and setup from scratch been performed since last FW update? A complete pull of the power adapters for a period of time after the factory reset then walk thru the setup wizard and setup from scratch. Recommend setting the default DHCP IP address pool range to the following after applying and a factory reset: 192.168.#.100 to 192.168.#.200.
ilikecerealtoo wrote:
I wanted to keep this thread alive because I bought a Hardware version 1.00 back in 2021 and it was bricked last summer along with many of you (Xfinity & Netgear problem). Netgear sent me a hardware version 1.01 replacement in August 2022.
Now, I am having this 5GHz upload issue too. Since August I was also confused why craigslist and nextdoor sale photos would not upload, google photos uploads were sluggish... All these same issues. Today I was trying to use MS Teams and sure enough, file upload over 1MB? Nope...
I checked my CAX80 admin page and the logs? Empty of any errors or warnings.
I thought maybe the firewall/NAT filter was triggering. Nope.
Maybe 5GHz connection was unstable? Nope, the network is crowded but not on DFS channels 😉
Maybe it was just my phone? Nope, happens on my Macbook Pro (Intel), my wife's Macbook Air, my Pixel 6 Pro, and my custom Win11 desktop.
Was this issue happening before August 2022 when I had the hardware version 1.00? Nope, and if I was it was so subtle I didn't notice.
Is this a Xfinity / Netgear issue? It sure as heck sounds like it. It was a Xfinity modem-side firmware update that bricked my CAX80 last summer ('22). Now only Xfinity CAX80 customers are also having upload issues? *sus* Xfinity... They want us to be just annoyed enough to pay for their monthly rental modem but avoid government watchdog scrutiny. Can anyone access the data inside the modem-side firmware? I bet something is a 0 that should be a 1 but they don't care enough to fix it.
Could this possibly be a DFS issue? Have we all settled on blaming Xfinity? It seems to be the only constant.
- ilikecerealtooJan 19, 2023Tutor
What Firmware version is currently loaded? v2.1.5.2
Are the uploads stopping or stalling or just going really slow? Usually they just fail. I found with the Craigslist app I could spam retry on each photo and eventually get it to work after 5-10 retries.
What channels are you using? 8 @1200Mbps & 56 @4800Mpbs (verified best channels with Wifi Analyzer)
Region Selection Region: North America (locked) Enable AX - This WiFi mode will enable AX features such as OFDMA Yes Enable Smart Connect No Wireless Network (2.4GHz b/g/n/ax) Enable SSID Broadcast yes Enable 20/40 MHz Coexistence yes Name (SSID): my network (not my real SSID) Channel: Current : 8 Mode: Up to 1200 Mbps Transmit Power Control: 100% Security Options WPA2-PSK[AES] + WPA3-Personal «« yes Wireless Network (5GHz a/n/ac/ax) Enable SSID Broadcast yes Name (SSID): my network-5G (I just add -5G) Channel: Current : 56 Mode: Mbps Up to 4800 Mbps Transmit Power Control: 100% Security Options WPA2-PSK[AES] + WPA3-Personal «« yes Wireless Advanced Settings (5GHz a/n/ac/ax) Enable Wireless Router Radio: yes (all the same for both 2.4 & 5) Fragmentation Length (256-2346): 2346 CTS/RTS Threshold (1-2347): 2347 Preamble Mode: Long Preamble Smart connect enabled or disabled? Disabled
Is Armor, SPC or Traffic Meter enabled? Nope for all. I use Cloudflare DNS for both ipv4 & ipv6... Logs there don't show anything being blocked.
I don't remember if I have done the full reset since v2.1.5.2 but really? Is this necessary after every time we update the fw? This is getting kinda old... I can try setting DHCP all in the 100s. That sounds weird but hey, whatever works. I will try it.
- ilikecerealtooJan 19, 2023Tutor
Any updates on this Beta FW? The current official v2.1.5.2 doesn't seem to fix it...
- FURRYe38Jan 19, 2023Guru - Experienced User
Can you try with Smart Connect enabled and try current 5Ghz channel your using then try channel 48 or 149.
Yes, any issues seen after a FW update will need a factory reset and setup from scratch.
Last time I checked this on mine 5Ghz is working on current version, however performance is being limited to help debug the problem. I had uploaded several Gbs of data over 5Ghz and all completed fine. Smart Connect enabled I believe when I tested mine out.
Does 2.4Ghz do same thing or just 5Ghz?
ilikecerealtoo wrote:
What Firmware version is currently loaded? v2.1.5.2
Are the uploads stopping or stalling or just going really slow? Usually they just fail. I found with the Craigslist app I could spam retry on each photo and eventually get it to work after 5-10 retries.
What channels are you using? 8 @1200Mbps & 56 @4800Mpbs (verified best channels with Wifi Analyzer)
Region Selection Region: North America (locked) Enable AX - This WiFi mode will enable AX features such as OFDMA Yes Enable Smart Connect No Wireless Network (2.4GHz b/g/n/ax) Enable SSID Broadcast yes Enable 20/40 MHz Coexistence yes Name (SSID): my network (not my real SSID) Channel: Current : 8 Mode: Up to 1200 Mbps Transmit Power Control: 100% Security Options WPA2-PSK[AES] + WPA3-Personal «« yes Wireless Network (5GHz a/n/ac/ax) Enable SSID Broadcast yes Name (SSID): my network-5G (I just add -5G) Channel: Current : 56 Mode: Mbps Up to 4800 Mbps Transmit Power Control: 100% Security Options WPA2-PSK[AES] + WPA3-Personal «« yes Wireless Advanced Settings (5GHz a/n/ac/ax) Enable Wireless Router Radio: yes (all the same for both 2.4 & 5) Fragmentation Length (256-2346): 2346 CTS/RTS Threshold (1-2347): 2347 Preamble Mode: Long Preamble Smart connect enabled or disabled? Disabled
Is Armor, SPC or Traffic Meter enabled? Nope for all. I use Cloudflare DNS for both ipv4 & ipv6... Logs there don't show anything being blocked.
I don't remember if I have done the full reset since v2.1.5.2 but really? Is this necessary after every time we update the fw? This is getting kinda old... I can try setting DHCP all in the 100s. That sounds weird but hey, whatever works. I will try it.
- house0fpayneJan 27, 2023Aspirant
I can confirm that this new V2.1.5.2 did not fix the 5GHz uploading issues with the CAX80 on Xfinity. I can't even send emails at certain times. Also, if I try to upload and files to my server that is over 50MB it drops the connection. Pushing git commits that are larger don't work either. Is there ever going to be a fix for this or do we all just need to buy a new none Netgear router? I did noticed that I had more luck uploading larger files until I downgraded my xfinity plan from the Gig to the 800Mbps. It all works every time on 2.4GHz.