AirOS Firmware Revision History Version 5

AirOS Versi 5.0 to New Version 5.3.3 Firmware Revision History

Supported products :

* Bullet M
* Rocket M
* NanoStation M
* AirGrid M
* NanoBridge M
* PowerBridge M
* PicoStation M
* NanoStation Loco M
* AirRouter
* PowerAP N
* Rocket M365
* Rocket M900
* NanoStation M365
* NanoStation Loco M900


Version 5.3.3-Service Release (July 26, 2011)
---------------------------------------------

Improvements/Change requests:
- Improvement: AirMax: Client's upload speed is low (compared to Download)
- Improvement: AirMax: Performance decrease when adding additional clients and using 10MHz/5MHz channel widths
- Improvement: AirMax: VoIP traffic quality in PTP mode for 10MHz/5MHz channel widths

Fixes:
- Fix: AirMax: Low performance when PTPnoACK is ON and operating in 40MHz/20MHz channel widths
- Fix: NanoStation M5/M2 hangup issue using PoE pass through functionality (possible fix)
- Fix: Power saving issues with some mobile phones
- Fix: Tranzeo and other clients continuously disassociate from UBNT AP due to timestamp changes after stuck beacon appears

- GUI fix: WPA-PSK key is truncated on operating mode change
- GUI fix: Changed redirection code from 301 to 302 to not cache data. Solves redirection problem when using Firefox 5.0 web browser


Version 5.3.2-Service Release (May 3, 2011)
----------------------------------------------

- New: AirRouter HP support
- New: Completely remove non 5.7-5.8 GHz frequency for US and Canada country code
- New: Auto Adjust to EIRP Limit replaces Remove Obey Regulatory Rules

Improvements/Change requests:
- Improvement: WPA/WPA2-TKIP security stability improvements in noisy environments
- Improvement: CCQ calculation
- Improvement: AirMax performance

Fixes:
- Fix: Possible memory corruption fix
- Fix: Return Channel Shifting for M900 and M365 products
- Fix: Connectivity issues for some mobile devices
- Fix: Speed test and traffic shaper issue
- Fix: Invalid connection time (49,689 days) reporting issue
- Fix: Send gratuitous ARP reply on bridge MAC change (when starting AirView)
- Fix: MIC errors encountered in high interference case if aggregation is used
- Fix: PPPoE authentication doesn't work through STA bridge with some routers
- Fix: Multicast routing does not work in SOHO-Router mode

- GUI fix: Hide "Auto Adjust to EIRP Limit" checkbox for Compliance test country code
- GUI fix: Disabling "Enable Installer EIRP Control" option, when "Auto Adjust to EIRP Limit" isn't enabled, allows to apply settings without any real changes
- GUI fix: Change warning message, when turning off "Installer EIRP Control"
- GUI fix: Under IE Stations list table header text should not be wrapped
- GUI fix: Site Survey doesn't return scan results in 10 MHz channel width
- GUI fix: Enable Discovery checkbox is not intuitive under "AirControl", move under Service menu
- GUI fix: Report allowed port range when configuring System services
- GUI fix: Site survey does not always return scan results
- GUI fix: Ad hoc device mode in Site survey returns symbols
- GUI fix: Strange TX/RX values in throughput graphic under IE9

- Fix: AirControl agent: Incorrect WLAN connection count reporting
- Fix: AirControl agent: Invalid wlanUptime reporting


Version 5.3 - Final Release (January 14, 2011)
----------------------------------------------

New product support:
- New: 3G Station product support
- New: NanoBridge M365 support
- New: NanoBridge M900 support
- New: NanoBridge M3 support

New functionality:
- New: AirSelect
- New: VLAN tagging: one VLAN per device
- New: Low TX power mode for Rocket M5/Rocket M2
- New: DFS enabled by default for all 5GHz products
- New: Discovery Tool
- New: Ubiquiti Logo Tab
- New: Remove outside 5745-5825 MHz frequency range for US country (all M series devices)
- New: NanoStation Loco M900: external and internal antenna support scenario
- New: Ability to enter device location (for AirControl server)

- AirControl agent: Support for GPS location reporting
- AirControl agent: Support for latency reporting
- AirControl agent: Configuration changed indicator
- AirControl agent: Report network adapter status/speed

Improvement/Change requests:
- CCR: Add Auto Frequency functionality (AP/AP WDS mode)
- CCR: Jumbo frames support (maximum allowed MTU is 1518 bytes of data)
- CCR: Remove Device name 14 characters limit
- CCR: Sensitivity threshold settings for wireless clients
- CCR: Add possibility to configure DNS address in DHCP server configuration
- CCR: Port Forwarding should support Source IP/mask criteria
- CCR: Dynamic DNS support
- CCR: Improve Firewall rules with ACCEPT
- CCR: Ability to turn auto discovery off under Ubiquiti logo tab/AirControl
- CCR: Remove Refresh button from Main page as it already have auto refresh function
- CCR: New regulatory rules for Germany (5755-5875MHz frequencies removed)
- CCR: Lock to AP MAC functionality for Station/Station WDS
- CCR: Make all columns in Stations list sortable
- CCR: Report negotiated Ethernet port speed on Main page
- CCR: Singapore frequency range changes (remove outside 5725-5850 MHz frequency channels according Regulatory Rules)
- CCR: Turkey frequency range changes (add 5470-5725 MHz frequency channels according Regulatory Rules)

- Improvement: WPA/WPA2 EAP-TTLS improvements
- Improvement: Connection stability improvement when using WPA/WPA2 security
- Improvement: Wireless driver improvements, when communicating to mobile devices using Power Saving
- Improvement: Functionality set for Indoor products (ability to turn on/off AirMax technology features)
- Improvement: DMZ configuration to allow more control over management ports

Fixes:
- AirMax: PPPoE latency in PtMP network with more than 22 clients connected to AP
- AirMax: ICMP ping doesn't pass wireless link
- AirMax: Big delay when transmitting IGMP packets
- AirMax: TX Data rate gets stuck on 81 Mbps, when using No ACK mode for PtP and 40MHz channel width #1618
- AirMax: Voice quality issues in PtMP network

- Fix: Double Auth/Assoc using WPA/WPA2 security when connecting to the AP
- Fix: STA disassociation during WPA/WPA2 group key exchange (affects AES and TKIP security)
- Fix: No connection or persistent station disassociation when at least one station is connected with low RSSI
- Fix: Enabling Client isolation inflicts AP WDS (repeaters) to stop talk with neighborhood AP WDS
- Fix: Intel clients are de-authenticated during rekeying
- Fix: Stability improvements when more than 8 clients connected and some of them are using power save mode
- Fix: Improved power saving handling (Nokia, HTC phones)
- Fix: PS Poll problems
- Fix: MAC changing doesn't work in AP (Router/SOHO Router) mode
- Fix: Throughput slowdown for 2.4 GHz Station when to the same AP is connected at least one AP-WDS peer
- Fix: Previously configured default gateway isn't disabled when WAN interface is configured to obtain IP settings from DHCP server (SOHO Router mode)
- Fix: Ukraine is missing in Country Code list
- Fix: Enable obey regulatory rules in default configuration for PowerAP N/AirRouter
- Fix: Sometimes devices behind STA-WDS are not reachable from AP-WDS LAN side
- Fix: Auto IP aliasing doesn't set IP address if DHCP client is enabled
- Fix: In AP Router or SOHO-Router mode LAN interface can't be disabled if DHCP client is running on it
- Fix: Auto IP aliasing duplicates and is incorrect
- Fix: DHCP Fallback IP is not removed after getting IP from DHCP server
- Fix: Improved wireless client roaming between AP-WDS peers
- Fix: Channel list is required on AP/AP-WDS when enabling DFS
- Fix: Multicast traffic doesn't pass PtP link, when client is using IGMPv3 reports
- Fix: Ebtables module should support VLAN criteria
- Fix: Low Data Rates and CCQ value when link is idle
- Fix: After upgrade DHCP server serves LAN IP as DNS server when DNS proxy is disabled
- Fix: NTP client request interval should be tuned for DHCP Client use case

- Fix: Auto ACK miscalculation, when connected to 802.11a/b/g devices operating in HT5/HT10 channel width
- Fix: Auto ACK calculates incorrect value for very short distance

- Fix: PPPoE client hold off time is not correct
- Fix: PPPoE client is not restoring session after wireless link connection loss
- Fix: Send proper disconnect command to PPPoE server when restarting PPPoE session
- Fix: ARPNAT and PPPoE relay issue

- Fix: AirControl agent: Location values are not reported to AirControl Server

- Fix: DFS: AP doesn't restore operation after 30 min silence
- Fix: DFS: Remove Radar detection capability on STA mode when operating up to 200mW EIRP

- GUI fix: Max power of AirGridM2/AirGridM5 products is 20dBm not 19dBm
- GUI fix: Make VLAN network settings in Bridge mode as separate option
- GUI fix: Reset to defaults redirects to incorrect IP address in SOHO Router mode
- GUI fix: Pop-up windows are not closed on "save" action if parent tab is changed #1668
- GUI fix: Reports two LAN ports on Main page for when device has only one
- GUI fix: When DNS proxy is disabled, take DNS from WAN and fill DNS fields for DHCP server automatically
- GUI fix: DHCP client info is not updated after Renew
- GUI fix: Read-only user permission/redirect issue
- GUI fix: In SOHO Router mode throughput graphic for LAN does not include traffic that goes only on WLAN interface
- GUI fix: Change AirMax priority returns incorrect Warning message
- GUI fix: ACK distance reporting issue in Station Details and AP information
- GUI fix: "Source IP/mask" field in port forwarding should allow 18 characters
- GUI fix: FW upgrade "Close Window" button is not functional if Parent Window is closed
- GUI fix: Misbehavior with Obey Regulatory Rules
- GUI fix: Password field and "Show" checkbox wraps
- GUI fix: Add Antenna model selection for NanoBridge M5 (22 dBi antenna (NBM5-22) and 25 dBi antenna (NBM5-25))
- GUI fix: IP aliasing is not correct in SOHO Router mode
- GUI fix: Output Power slider position when min value is selected

Version 5.2.2 - Service Release (October 14, 2010)
----------------------------------------------------
- New: AirGrid HP M product support
- Fix: Wrong max power limit after reset to defaults for some products


Version 5.2.1 - Service Release (September 13, 2010)
----------------------------------------------------

- New: Rocket M365 support
- New: Rocket M900 support
- New: NanoStation M365 support
- New: NanoStation Loco M900 support

Improvements/Change requests:
- Improvement: DFS functionality enhancements
- Improvement: Improve 10/5MHz channel width stability
- Improvement: IGMP proxy
- Improvement: Multicast traffic
- CCR: Increase maximum allowed DHCP server lease time to 48h
- CCR: Allow more than 128 associations with security off
- CCR: Add GUI option to disable reset button. Prevents from accidental configuration reset to factory defaults

Fixes:
- Fix: AirMax: Packet loss just after client association to the AirMax AP
- Fix: AirMax: STA Transmission Queue stuck, need a reset

- Fix: AP wireless stops operating
- Fix: Station stays connected to AP, but no wireless traffic is available
- Fix: Multicast enhancement does not handle VLAN tagged traffic
- Fix: AutoACK calculation issue specific for NanoBridge M5/AirGrid M5/NanoStation Loco M5 devices
- Fix: AutoACK on AP calculates incorrect values to 802.11 b-only stations
- Fix: Ipod iTouch freezes Internet connection for laptops, which have Intel wireless radios
- Fix: AP is using the lowest TX rate (6Mbps), when communicating with 802.11 a/b/g Stations and using WEP/WPA-TKIP/WPA2-TKIP security
- Fix: AP scans only upper or lower channels in 40 MHz channel width
- Fix: AP(WDS) in 40 MHz channel width can connect AP(WDS) in 20 MHz channel width
- Fix: MAC Address change in Station-Router mode results WPA failure
- Fix: Devices behind STA-WDS in PtMP network, sometimes becomes unreachable
- Fix: PowerAP N WLAN LED is not shining when RSSI level is less than 30
- Fix: MAX EIRP 36dBm for 2.4GHz band in Australia
- Fix: SNMP: Report correct IF-MIB interface speed OID values
- Fix: CCQ calculation with auto rates are used

- Fix: AirView: Application does not return scan results on NanoBridge M2/NanoStation Loco M2

- AirControl Agent: Restore console reporting after wireless association is restored
- AirControl Agent: Report association time
- AirControl Agent: Odd behavior with discovery response
- AirControl Agent: Ping is not restoring connection when AirControl server is unreachable on startup

- GUI fix: Status and Site survey pages fails to render if SSID has escape character(s)
- GUI fix: Speed Test fails if using special symbols in password
- GUI fix: Speed tests doesn't work if HTTPS port has been changed
- GUI fix: When disabling scan list, previously selected channels are unchecked
- GUI fix: new Chrome-BETA conflicts with Web UI validation framework
- GUI fix: Fixed rates uses SGI(400 ns) rate table
- GUI fix: Read only user can access device configuration file
- GUI fix: Sometimes Station list is empty
- GUI fix: Show static routes in Main page, when operating in Bridge mode
- GUI fix: Special Char escaping required for SNMP settings
- GUI fix: Destination IP field validation is missing

Known issues:
- Sometimes Station disassociates during WPA/WPA2 group key exchange


Version 5.2 - Final Release (May 14, 2010)
------------------------------------------

- New: Speed test tool
- New: AirView tool (Spectrum Analyzer mode)
- New: Routing scenario: Network mode "Soho Router"
- New: NanoStation M5/M2 Second Ethernet port functionality -- now it is possible to bridge with wireless port
- New: Antenna gain and cable loss fields for compliance
- New: AirMax ON in default configuration
- New: Intelligent GUI improvement
- New: Console agent: Restore active heartbeat connections after firmware upgrade
- New: Report 802.11 information messages into syslog
- New: Improve ACL rules management: increase max MAC ACL entry count to 32
- New: Remove DFS 5250-5350 frequency for US country code (all M series products) , but keep the link alive if DFS frequency was used

Improvements/Change requests:

- CCR: RADIUS client support in AP mode
- CCR: PEAP/MSCHAPv2 support
- CCR: Add static routes via WEB UI
- CCR: Show Station and AP IP address
- CCR: Hide WPA password with "*"
- CCR: Ability to de-associate station from Station list via WEB UI
- CCR: Add support for SSH authorized keys in configuration file
- CCR: Change apply configuration logic
- CCR: Missing ppp0 interface information on Main page, when PPPoE session is initialized
- CCR: Add System Startup Time/Date field (critical for 802.1x supplicant)
- CCR: Allow ping when device is in TFTP recovery mode
- CCR: Include PPTP/GRE NAT modules
- CCR: Add MAC clone/change option for WAN interface when operating in SOHO router mode
- CCR: Report AirMax priority and AMQ/AMC in Station detail
- CCR: Speed test: Show total throughput (RX + TX)
- CCR: Make IP address in stations list as hyperlink
- CCR: GUI: Show/hide Traffic shaping configuration
- CCR: GUI: Add option to enable/disable NAT modules on router: SIP, PPTP, FTP, RTSP
- Improvement: Speed test: resolves TX/RX difference
- Improvement: In memory allocation

Fixes:

- Fix: TX Power improvement for NanoBridge M5, AirGrid M5, NanoStation Loco M5, Bullet M2, Rocket M2, NanoStation M2, NanoBridge M2
- Fix: Chain signal mismatch on reported signal strength/ Power control for M5 2x2 chain devices
- Fix: Sometimes Auto ACK values gets too high
- Fix: Max power level for Australia
- Fix: Speed test + AirMax PtP No Ack combination crashes AP
- Fix: Traffic Shaping is not functional except Soho Router mode
- Fix: Traffic Shaping Burst is for functional
- Fix: WPA security : Sometimes station is disassociated from AP
- Fix: Broadcast traffic is duplicated on AP-WDS
- Fix: NAT protocols state changes when changing security
- Fix: SNMP wrong OID type: Disallow port range as destination (to private subnet)
- Fix: SNMP reports incorrect wireless stats
- Fix: Station can not connect to AP (MAC Locked) if it was connected to another AP with the same SSID
- Fix: Signal reporting
- Fix: Improve noise level calculation
- Fix: Noise floor is too aggressive
- Fix: Auto ACK on AP
- Fix: No more trimmed channels on Compliance country code

- Fix: Airmax: PTMP ping loss issue after beta6
- Fix: AirMax: PTPNack AMQ/AMC fluctuation
- Fix: AirMax: PTP and PTMP enhancements (latency)\

- Fix: Airview: Sometimes switching back to normal operating mode is endless

- GUI fix: Problems with WPA PSK paraphrase: old value is displayed, new value is not saved
- GUI fix: Sometime Device name in not reported in Stations list
- GUI fix: Do not show clients as connected when authentication key is not valid
- GUI fix: Test mode. Timing is no so precise as stated in the warning message
- GUI fix: Need correctly display ACK/Distance when AirMax and PtPNoACK mode is enabled
- GUI fix: Name -> Device Name
- GUI fix: Grammar error in warning message
- GUI fix: MCS1 is always reported in AP/Station statistics
- GUI Fix: IE8 and WEB UI errors

- Fix: Frequency list issue fix for counties:
Uzbekistan
Brazil
Honduras
Peru
Philippines
Russia
South Africa
Sri Lanka
Thailand

Known issue:
- Limitation from HW: MCS13 does not work with WEP/WPA/WPA2/WPA-TKIP/WPA2-TKIP security -- MCS 13 removed from WEB UI


Version 5.1.2 - Service Release (February 9, 2010)
--------------------------------------------------
- MAJOR: Fixed ARP broadcast issues in WDS mode
- MAJOR: Added Mikrotik Station WDS support
- MAJOR: Fix to allow VLAN pass through on secondary Ethernet port (NanoStation M)
- AirMax: Fixed AMC calculation when using fixed rate


Version 5.1 - Final Release (January 07, 2010)
----------------------------------------------

- Throughput improvement for AirMax in PtP environment
- Throughput Improvement for AirMax in 2.4 GHz 40 MHz channel width
- Fixed lower throughput issue when using AirMax No ACK mode for PTP in 40 MHz channel width
- Fixed ping latency issue when AirMax is enabled
- Improvements in wireless stability

- New: Show station ACK value in Station list under Monitor section
- New: Added ip_conntrack_sip support

- Fixed UI issue with signal reporting
- Fixed missing channels in Channel scan list (20/40 Mhz auto)
- GUI: Show only 50% as a max AMC value for 1x1 chain devices
- Fixed DNS proxy and DHCP server configuration issue
- Fixed issue in site survey: cannot select AP when scanning in 5/10 MHz channel width mode
- Fixed issue in admin password: cannot login with admin password when symbols ($, \ or ') are used


Version 5.1-RC3 (December 21, 2009)
-----------------------------------
- New: Auto rates with MAX value setting
- New: AirMax No ACK feature for Point-to-Point links
- MAJOR: Fixed WPA/WPA2 clients connection stability
- MAJOR: Wireless link stability fix when AirMax is OFF
- MAJOR: Memory allocation issue on AP with more than 60 clients
- MAJOR: Performance improvements in 2.4 GHz
- Auto ACK improvements
- Administrator password limit is 8 symbols
- Allow to increase Logout session timeout
- Allow to disable password authentication for SSH
- 5 MHz channel width is back in 2.4GHz mode
- GUI: AirMax made as separate section under Advanced setting menu

- Fixed GUI issue in AP Mode, Connections shows 0 when more then 45 clients are actually connected
- Fixed MAC expiration issue in Bridge-WDS
- Fixed passing VLAN tagged packets with V5.1-Beta
- Fixed CCQ value when no data
- Show B/G/N mixed instead of Ng, A/N mixed instead of Na
- Fixed Signal Level reporting in UI (RSSI chain mismatch)
- Fixed Data rates selection and reporting
- Fixed download backup configuration file or Support info file issue if using IE browser


Version 5.1-beta (November 20, 2009)
------------------------------------
- New: 802.11 a/b/g products support
- New: WEP and WPA/WPA2 TKIP security support
- New: Advanced Ethernet settings
- New: Web server change
- New: AirMax 4 level MAC address based priority
- New: AirMax automatic Voice packet recognition and TXQ assignment
- New: AirMax No Ack (PtP Mode only). Can be enabled only in the config file for the AP by setting radio.1.pollingnoack=1
- New: auto ACK implementation
- Added Arpnat support for more than one IP address per single bridged MAC address
- Updated PPPoE version
- Ethernet driver update
- Added hardware watchdog timer

- Fixed stability issue on link when Airmax is disabled
- Fixed PPPoE Stability in 40 MHz channel width (PPPoE session disconnects due to the no response to 5 echo-requests)
- Fixed WPA/WPA2 client connection issue to AP
- Removed US country code DFS frequencies: 5500-5700 GHz
- Separated L2 isolation and multicast traffic
- Fixed issues in PPPoE daemon when compression enabled
- Fixed switch off for Extra reporting (MT discovery protocol)
- Fixed incorrect CDP packet check sum
- No more FTP speed limits per session when AirMax enabled
- Fixed Compliance test country frequency range for 20/40 MHz channel width
- Fixed SNMP OID numbers persistence (SNMP daemon enumerates all interfaces on startup and assigns sequential numbers now)


- Fixed Web UI lock
- Fixed read-only user account
- Improved signal strength value in 40 MHz channel width
- Fixed signal strength per chain handling when station disconnects from AP
- Fixed data rates reporting for 10Mhz channel width for 802.11 a/b/g clients
- Improved Noise Floor reporting
- Improvement in data rate reporting when traffic is inactive
- Added Device Name in Station and AP statistics table
- Fixed ARP table entry reporting if it contains unresolved MAC address


Version 5.0.2 - SERVICE release (October 23, 2009)
------------------------------------------------
- Fixed Chain 1 association problem in 802.11a mode
- Fixed Compliance test channels in 5 MHz step instead of 20 MHz
- Added VLAN support in Ethernet driver


Version 5.0.2-RC6 (October 17,2009)
-------------------------------------
- Final Ethernet lockup fix

Version 5.0.5-RC5 (September 26, 2009)
-------------------------------------
- Uboot fix

Version 5.0.2-RC4 (September 25, 2009)
--------------------------------------
- Increased Reset to Defaults/Rescue mode timing (triggered from POE and Reset button)
- Added ability to disable reset to default function (from PoE and Reset button) in config

Version 5.0.2-RC3 (September 23, 2009)
--------------------------------------
- Ethernet lockup fix
- Fixed SNMP agent to report correct values


Version 5.0.2-RC2 (September 18, 2009)
--------------------------------------
- Fixed web UI slow responses (aka web server loop) on Windows7/IE8 version: 8.0.7057.0
- Fixed PPPoE reconnection issue
- Fixed PPPoE client DNS server issue
- Fixed LAN interface disabling
- Use device name as Web UI Authentication Realm name (allows to use Google Chrome)
- Show FW version on Main page
- PPPoE client can't authenticate if in username symbol # is used
- Fixed connection on low signals: noise immunity is switched off by default. Added ability to change noise immunity on/off in config (not available on UI)
- Fixed AirMax lockup
- DHCP server doesn't work if DNS proxy is disabled


Version 5.0.2-RC1 (August 31, 2009)
------------------------------------
- Added Compliance test country code
- Added information text in survey window
- Fixed Memory leak when scanning
- Fixed selected channels scanning
- Fixed WPA/WPA2 association to AP with hidden ESSID on passive scan channels
- Fixed Product Logo displaying if no logo image for device
- Fixed firmware version reporting
- Fixed Rate control algorithm is too aggressive in noisy conditions
- Fixed AirMax AP lock after some time
- Fixed combined signal report in align antenna tool for 2 chains devices
- Fixed hangup issue in router mode with firewall enabled (aka ethernet/iptables fix)
- Fixed scan results for more than 14 stations issue
- Fixed AMC values for 1x1 device should not show more than 50%
- Fixed connected stations reporting for more than 22 stations issue

Version 5.0 (June 16, 2009 RELEASE)
-----------------------------------
- New: UI design
- New: AirMax functionality
- New: 5/10/20/40 MHz channel width support
- Improvement: CCQ formula