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rejlafond
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bulk disconnected, group key exchange timeout

Wed May 02, 2018 8:45 pm

I have a cAP ac unit running 6.43rc5.

I see this message in the log at random times of day when units are connected to the ap but about three times a day....one in the morning one around lunch time and one in the afternoon i get
a bulk Disconnected, group key exchange timeout all at the same time 11:58:44 (see attachment). My users are mostly Mac books and they say they get disconnected for a min or less and they are fine for a while.

I've changed channels and same thing at those approx times a bulk of them get kicked off.

Any ideas? Thank you
name="wlan2" mtu=1500 l2mtu=1600 mac-address=CC:2D:E0:10:1B:7B arp=enabled 
      interface-type=IPQ4019 mode=ap-bridge ssid="NAME" frequency=5300 
      band=5ghz-n/ac channel-width=20mhz secondary-channel="" scan-list=default 
      wireless-protocol=802.11 vlan-mode=no-tag vlan-id=1 wds-mode=disabled 
      wds-default-bridge=none wds-ignore-ssid=no bridge-mode=enabled 
      default-authentication=yes default-forwarding=yes default-ap-tx-limit=0 
      default-client-tx-limit=0 hide-ssid=no security-profile=default 
      compression=no 
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mbfound
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Re: bulk disconnected, group key exchange timeout

Thu May 03, 2018 9:56 pm

Pretty sure Mikrotik has issue with their new AC range but they are working on it. Can't comment directly but had similar experiences when I still did hotspot stuff, Apple devices always had issues with disconnections.
 
yottabit
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Re: bulk disconnected, group key exchange timeout

Fri May 04, 2018 3:17 am

Make sure WMM is set to enabled. This fixes problems with iOS devices on my network, and makes battery life much better on Android devices.

Sent from my Pixel XL using Tapatalk

 
rejlafond
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Re: bulk disconnected, group key exchange timeout

Fri May 04, 2018 7:28 pm

I do have WMM enabled and still get the same problem. Is there anything else I need to do with wmm aside from enabling it?

The unfortunate part is the users using the mac have all taken the white pill so they think the apple devices are flawless and never ever have any issues with them.
 
yottabit
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Re: bulk disconnected, group key exchange timeout

Fri May 04, 2018 8:33 pm

Check your encryption settings, too.

Use WPA2+AES (only), or WPA+TKIP (only). Don't mix them, if at all possible.

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chechito
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Re: bulk disconnected, group key exchange timeout

Fri May 04, 2018 8:47 pm

try with
group-key-update=1h
 
florid
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Re: bulk disconnected, group key exchange timeout

Thu Dec 27, 2018 5:13 pm

Just experienced the same issue on 6.43.8
Hex Poe + ac AP.
 
Kerbia
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Re: bulk disconnected, group key exchange timeout

Thu Dec 27, 2018 6:16 pm

Just experienced the same issue on 6.43.8
Hex Poe + ac AP.


don't expect any help from support. i have had a lot of issues since i got some hap ac^2 and cap ac. support was either not responding or slow and asking dumb questions.

my recommendation: run 6.42.9 bufix/longterm version. that one is running rock solid for me for a while now.
other ones just caused issues.

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