AirPort Extreme firmware update fails due to proxy
Have latest AirPort Extreme (tower) hardware at work, with v7.7 firmware, and am trying to upgrade the firmware to 7.7.3 via AirPort Utility v6.3.2 in Mavericks OS X 10.9.5. The Extreme is on the work network behind a proxy server. There is no capability to specify proxy information to the AirPort Utility, although my MacBook is properly configured with the proxy server in network settings. Every time I try to perform "Update" on the Extreme in AirPort Utility, I get "Downloading Firmware" and then "An error occurred while downloading firmware." I presume the MacBook would be downloading firmware and going thru the proxy to get it, and then applying the firmware update to the extreme, but I can't get the firmware downloaded.