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APs disappearing after enabling a new WLAN


We have a 4402 WLC running software version There are 5 WLANs enabled and we have 13 AIR-AP1010 accesspoints connected to the WLC.

The WLC was recently upgraded from version to provide compatibility with the newer WLCs. The upgrade went without any issues and the system was stable after the upgrade.

We are about to create a new wlan and problems start when we enable it: the system becomes unstable, accesspoints are disappearing randomly. We tested this with two different wlans to eliminate setting issues. The sympthoms were the same in both cases. If the new wlan is disabled everything returns to normal operation and the system becomes stable. All accesspoints are working fine.

I would like to ask your help if you experienced such issue or know a resolution for this.

Thank you!


Peter Gombas

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