Firmware update 7.6.7 is recommended for all Apple 802.11n base stations, and brings improvements the stability and performance. Specifically, the update:
● Fixes an issue which may prevent communication between clients on the same network
● Improves performance with an extended guest network
● Addresses potential naming conflicts with Bonjour Sleep Proxy
Apple also released firmware update 7.7.7 for 802.11ac AirPort Extreme and AirPort Time Capsule base stations with the same fixes.
You can update the firmware of your base station using the Airport Utility app on iOS or OS X.
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