UAP/USW Firmware 4.0.51.10599

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UniFi

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Unifier
1 feb 2018
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Important notes
  • You may start to see EVT_AP_RestartProc events in the controller log. If you see these, please report if there is anything specifically in your setup that triggers the events. The processes restarting is not new, but the reporting of the restarting is, and we are using these reports to clean up these issues.
  • US-XG-6POE upgrading from 4.0.2 or earlier will take a long time to upgrade. Don't be surprised if your switch is unavailable for 5-10+ minutes as 4.0.3+ also updates the PoE firmware to improve PD compatibility.
  • UIS-8-450W upgrading from 4.0.33 and earlier will have their PoE firmware upgraded automatically to improve PD compatibility. That process will take a few minutes. PoE will be unavailable during the upgrade process.
  • 1st gen UAPs may require extra steps when upgrading from firmware 4.0.3. You can try disabling all WLAN groups, and then running the upgrade. Devices that are seemingly "stuck" on 4.0.3 may require TFTP recovery to upgrade from that firmware.
  • All supported 1st gen APs need to be on a minimum of 4.0.10 prior to upgrading to this firmware. Controller 5.10.3+ will force an upgrade to 4.0.10 prior to upgrading to this release (only if your device isn't running 4.0.10 already).
  • All URLs use HTTPS. This assumes your device(s) are running 3.7.56 or later and that the device's date is properly set. Please change URLs to HTTP for device(s) running earlier firmware.
Bugfixes
  • [UAPG1/G3] Fix reported Ethernet negotiation.
  • [UAPG1] Improve client STA connection stability when using wireless uplinks.
  • [AC-Pro/EDU/M-Pro/AC-IW/IW-Pro] Fix reported Ethernet negotiation.
  • [HD/SHD/XG/BaseStationXG] Fix an issue where wireless uplink may fail to reconnect.
  • [UWB-XG] Remove bandsteering as it's unsupported on this device.
  • [nanoHD/IW-HD] Fix a bug where device may not reply to probe request frames.
  • [nanoHD/IW-HD] Fix Vietnam channel list.
  • [UAP] Improve wireless uplink stability.
  • [UAP] Increase 5GHz bias for wireless uplink on dual-band models.
  • [US-24-250W/500W] Fix erroneous PoE init failure message on fully functional devices.
  • [US/US-POE/XG/USW-6POE] Add live link status update capability.
  • [US/US-POE/XG/USW-6POE] Enable IPv6 support for management (reported HERE).
Known issues
  • UAP, UAP-LR, UAP-IW, UAP-OD and UAP-OD5 cannot be downgraded from firmware 4.0.17+ to an earlier release.
Instructions
Any and all feedback is welcome, including lettings us know about successful device upgrades. When reporting an issue, please ensure that you include the following information:
  • Controller version.
  • Firmware version (previous and current).
  • Device model(s).
Download links
UAP-AC-Lite/LR/Pro/EDU/M/M-PRO/IW/IW-Pro | md5sum | sha256sum
UAP-HD/SHD/XG/BaseStationXG | md5sum | sha256sum
UAP-nanoHD/IW-HD | md5sum | sha256sum
UAP, UAP-LR, UAP-OD, UAP-OD5 | md5sum | sha256sum
UAP-v2, UAP-LR-v2 | md5sum | sha256sum
UAP-IW | md5sum | sha256sum
UAP-Pro | md5sum | sha256sum
UAP-OD+ | md5sum | sha256sum
US/US-POE | md5sum | sha256sum
US-L2-POE | md5sum | sha256sum
US-16-XG | md5sum | sha256sum
USW-XG-6POE | md5sum | sha256sum
UIS-8-450W/USC-8 | md5sum | sha256sum
USW-Flex | md5sum | sha256sum
USW-Multi | md5sum | sha256sum