Ubiquiti Firmware 5.5.4

AirOS V Firmware Revision History
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Supported products

* Bullet M2/M5/Titanium
* Rocket M2/M2 Titanium/M3/M365/M900/M5/M5 GPS/M5 Titanium/M6
* NanoStation M2/M3/M365/M5/M6
* NanoStation Loco M2/M900/M5
* NanoBridge M2/M3/M365/M900/M5
* AirGrid M2/M5/HP/HP New
* PowerBridge M3/M365/M5/M10
* PicoStation M2
* AirRouter/HP
* PowerAP N

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Version 5.5.4-Service Release (March 13, 2013)
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New:
– New: Data rate module: Alternative data rate algorithm option
– New: WEB UI: Audio option for Antenna Alignment Tool
– New: WEB UI: “Feed only – 3dBi” option for antenna type (AirGrid and NanoBridge models only)

Improvements:
– airMax: Improved performance in PtMP scenarios
– airMax: Lower latency in Long Range PTP mode
– airMax: Voice performance/latency improvements in PtMP scenarios

– QoS: Map commonly used VoIP TOS values (0x68, 0xb8) to Voice queue

– Speed test: Improved timeout/errors handling and reporting
– TFTP recovery: Reset configuration to factory defaults when executing TFTP recovery mode without need to hold Reset button for 15sec and upload firmware image
– airView: Update certificate

– WEB UI: Show if custom scripts are present on device
– WEB UI: Show signal strength from remote radio in Station information window (airMax mode only)
– WEB UI: Show Station TX/RX bit rate statistics
– WEB UI: Disable WEB UI while airView is running
– WEB UI: Automatically redirect to HTTPS port when running Speed test
– WEB UI: Make MAC addresses in Main page easily selectable
– WEB UI: Add help text for UBNT/Advanced settings pages
– WEB UI: Improved FW update failure messages
– WEB UI: Do not offer to apply configuration changes if there are no any changes made
– WEB UI: Latitude/Longitude setting validation
– WEB UI: Interface Language update: French translations
– WEB UI: Interface Language update: Lithuanian translation

– Stability: Check filesystem on boot
– Stability: Memory leak protection for less than 1MB of RAM
– Stability: HW watchdog in u-boot

Fixes:
– Fix: airMax: Radio is transmitting when operating in airView mode (AP mode only)
– Fix: airMax: Long range PtP mode: AP gets stuck at 81Mbps rate and transmit throughput goes down
– Fix: airMax: Sometimes AP locks up when applying configuration changes (possible fix)
– Fix: airSync: Rocket Titanium airSync Slave doesn’t connect to airSync Master
– Fix: airSelect: Default airSelect announce count set to 30
– Fix: airView: airView does not start when Device Name contains comma symbol
– Fix: airView: M900/M3/M365/M6 products does not scan full frequency range
– Fix: Detect Ethernet loopback on defective device and bring Ethernet interface down
– Fix: Sometimes M Series devices hang during reboot (except Titanium)
– Fix: Change Max MTU to 2024 bytes on both Ethernet interfaces
– Fix: Returning from Test mode does not revert some configuration changes
– Fix: Redirection issue when enabling/disabling HTTPS
– Fix: Satellite signal bar is centred under IE
– Fix: During upgrade disable default route if DHCP client is configured
– Fix: DHCP fallback IP isn’t set
– Fix: Memory leak in Main page with IE8/IE9 (session timeout implemented)
– Fix: Low power mode fix for newer revisions of NanoStation M5
– Fix: Device discovery issue when DMZ port is enabled
– Fix: Cannot switch from Advanced to Simple Configuration mode when network role is Router
– Fix: Auto Channel does not follow channel plan for Canada (Rocket Titanium)
– Fix: OSPF and other unregistered multicast traffic transmit problems in PtMP
– Fix: Skip EAP security certificate date validation if device date is before certificate start date
– Fix: Do not send discovery/ARP requests through bridge ports
– Fix: Enable busybox option to prefer IPv4
– Fix: UPnP: Router should accept “PORT FORWARD” requests from LAN side only
– Fix: Sometimes station can’t associate when switching from open to WPA security
– Fix: Enable DFS when choosing country Austria
– Fix: Disable “Block Management” option for WAN in default configuration (AirRouter, AirRouter HP, PowerAP N)

Regulatory updates:
– Enable DFS for Germany upper band (5.8GHz) channels
– Update New Zealand allowed frequencies for 5GHz
– Update Chilean allowed frequencies for 5GHz