AirPort Base Station Firmware Update 7.6.7 Information
System Requirements: AirPort Extreme, AirPort Time Capsule, and AirPort Express base stations with 802.11n.
About AirPort Base Station Firmware Update 7.6.7
Firmware update 7.6.7 is recommended for all Apple 802.11n Wi-Fi base stations including AirPort Express, AirPort Extreme and AirPort Time Capsule. This update improves the stability and performance of your base station.
This 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 
For detailed information on AirPort base station firmware updates, including instructions how to install the update, please visit: support.apple.com/kb/HT201519
For more information on using AirPort products, go to the Product Support Page at: http://www.apple.com/support/airport