Ring cam immediately drop after athentication

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mcglow
DD-WRT Novice


Joined: 05 Jan 2019
Posts: 1

PostPosted: Wed Jan 18, 2023 23:30    Post subject: Ring cam immediately drop after athentication Reply with quote
Firmware: DD-WRT v3.0-r37305 std (10/10/1Cool
Router: Linksys WRT3200ACM
Marvell Armada 385
Kernel: Linux 4.9.131
CPU: Marvell Armada 385

I haven't had any problems with router or dd-wrt in years until now.
The connection problem occurs only with one very specific device,
the most recent Ring Spotlight Cam Plus. I have connected other Ring cams and many
other wifi IoT devices. During device setup I have to connect the device though
the Ring app on my phone. I've tried different phones (android and iphone).
Device connects once during setup, then disconnects and will not reconnect,
or rather connects then immediately disconects.
Log messages indicate constantly repeat of clean authentication.
Device will connect to stock linksys router.
Device will connect via celluar wifi hotspot (bypassing dd-wrt router).
Turned off SPI firewall. Did not resolve issue. Turned SPI firewall back on.
All points to some setting in my dd-wrt configuration, but I can't find it.
I'm hoping someone out there might have a tip that could help. Thanks in advance.
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blkt
DD-WRT Guru


Joined: 20 Jan 2019
Posts: 5660

PostPosted: Thu Jan 19, 2023 0:20    Post subject: Reply with quote
Linksys Marvell routers have bad history with IoT doorbell, camera, smart home automation, ESP8266 etc.
Very old build r37305 reconfigure from scratch after webflash to r51440 or later & see factory defaults tab.

Usual workarounds involve G-Only BG-Mixed and/or disabling WMM in the advanced radio box for 2.4 GHz,
or Mixed LDPC disable. IoT supports 5 GHz? Move clients over. Always disable a third radio interface wlan2.

Always better to manually set correctly Channel Width, Channel and Extension Channel, so not using Auto.
Wireless Security Mode = WPA, Authentication = WPA2 Personal only, Algorithms = CCMP-128 (AES) only.
taimode
DD-WRT Novice


Joined: 17 Aug 2019
Posts: 4

PostPosted: Thu Mar 02, 2023 8:46    Post subject: Solved Reply with quote
I just wanted to say thanks - I had a similar issue with a Ring Stick Up Cam disconnecting, And the below suggestions resolved my issue. In addition, I created a virtual AP to separate the 2.4 network.

blkt wrote:
Linksys Marvell routers have bad history with IoT doorbell, camera, smart home automation, ESP8266 etc.
Very old build r37305 reconfigure from scratch after webflash to r51440 or later & see factory defaults tab.

Usual workarounds involve G-Only BG-Mixed and/or disabling WMM in the advanced radio box for 2.4 GHz,
or Mixed LDPC disable. IoT supports 5 GHz? Move clients over. Always disable a third radio interface wlan2.

Always better to manually set correctly Channel Width, Channel and Extension Channel, so not using Auto.
Wireless Security Mode = WPA, Authentication = WPA2 Personal only, Algorithms = CCMP-128 (AES) only.
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