Every single one of the WAP4410N units at every single client where they've been deployed is dropping the network connection. After an undetermined amount of time, wireless devices connected to a WAP4410N begin to lose their network connection, but each will maintain their wireless connection to the WAP. The network connection will not be restored until the WAP is rebooted. It appears the affected devices are unable to obtain/renew their IP address at the time when they lose network connection. We reduced the DHCP lease time to 2 hours, and we had no problems for 2 weeks. We then changed the DHCP lease backup to 3 days and the problem returned. This happens with one or two SSIDs in use, with or without VLANs, always in bridge mode. Cisco support advised us that this is a known problem that was supposed to be corrected in the 18.104.22.168 firmware revision. They have found that it does work in approximately 90% of the updates from 22.214.171.124, but is still not working for some customers. It was supposed to be fixed with firmware version 126.96.36.199 (which we've tried) but no luck. Besides the obvious "short DHCP lease" workaround, does nyone have any better ideas? Has anyone seen this problem? Is the WAP4410N a lemon?
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