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svhelden
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12 of 93 Access Points (all MSM310) stuck on 'Establishing tunnel' since today

We have an MSM760 (Firmware 6.3.0.0) with 93 Access Points. Everything worked until yesterday, and there were no changes in our network.

 

Now, suddenly, 12 of the Access Points cannot connect anymore. They are in a constant loop:

 

  • get DHCP address
  • contact MSM760 controller
  • "Establishing tunnel"
  • reboot

 

All affected Access Points are MSM310. But also have lots of MSM310s that are working.

 

I could also not find any useful information from the logs. Of course I rebooted the Access Controller and one of the Access Points, but it did not help. Also it's not a license issue (we have 120 licenses).

 

Do others also have the same problem? Is it a known issue, maybe due certificate expiry? Or is there any special log that I could check?

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