I am running WiNG 18.104.22.168-033R on two AP 6521's which are providing access to a corporate network (VLAN 1) as well as a guest captive portal network (VLAN 3).One of the AP 6521's is acting as a virtual controller two which the second AP 6521 is adopted.I am finding that this setup functions well for about four to five days at which point the virtual controller's web interface becomes unresponsive and users start complaining about poor wireless connectivity.Rebooting the system fixes things for another four to five days before the problem inevitably returns.I came across the following article which described a similar set of problems:https://extremeportal.force.com/ExtrArticleDetail?an=000074457I followed the advice given and disabled SNMP service. Even after disabling SNMP the problem came back. I went one step further and disabled SSH. Even after turning off SSH the system became unresponsive after four to five days.My guess is that the system is running out of memory, but I'm not sure how to confirm this.My questions:1. What is causing the problem?2. Is WiNG 22.214.171.124-033R supported on the AP 6521 access point?3. If not, what is the highest supported WiNG version for the AP 6521?I've been struggling with this issue for a while now and I have run out of ideas.
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