We have many disconnections of the FortiAp 222B with its controller (Fortigate 500D). The event message is the next: - Control message maximal retransmission limit reached You can see the event in the next image:
We have more FortiAp in the same network working well Has Someone had this error and know the solution?
I had the same problem.
And the problem was solved disabling "Spectrum Analysis" feature. We had 2 choices. Disable or fine tune. In my case, I'm not using "Rogue AP" and then I disabled that.
FortiOS Handbook for FortiOS 5.2 During heavy AP traffic, it is possible for Spectrum Analysis background scanning to cause lost packets when the radio switches to monitoring. To reduce the probability of lost packets, you can set the CLI ap-bgscan-idle field to delay the switch to monitoring until the AP has been idle for a specified period. This means that heavy AP traffic may slow background scanning. The following CLI example configures default background rogue scanning operation except that it sets apbgscan- idle to require 100ms of AP inactivity before scanning the next channel. config wireless-controller wtp-profile edit ourprofile config radio-1 set wids-profile ourwidsprofile set spectrum-analysis enable end end config wireless-controller wids-profile edit ourwidsprofile set ap-scan enable set rogue-scan enable set ap-bgscan-period 300 set ap-bgscan-intv 1 set ap-bgscan-duration 20 set ap-bgscan-idle 100 end
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