Difference between revisions of "Mesh/Flashing extender nodes"

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== Download the Image File For a Extender Node ==
After following the [[Mesh/WalkThrough]], you are probably just an isolated node on the virtual People's Open Network. If you want to become part of the physical mesh, you are going to need to extend the signal from home node using what we call an extender node. An extender node is just a roof-mounted, directional antenna used to make point-to-point connections between two locations that have line-of-sight (LOS) to one another. Preparing an extender node generally consists to two stages, downgrading the proprietary AirOS firmware and flashing it with our custom build of OpenWrt.
 
== Downgrading to older AirOS ==
 
Typically, we use Ubiquiti equipment for our extender nodes. These come with a proprietary firmware called AirOS. Any extender node with version 5.6 of AirOS and above needs to be downgraded to a 5.5.XX version of AirOS version before you can flash it with OpenWRT.
 
First check what version of AirOS your extender node is running, to do this,
 
* Edit your network settings to reflect the following:
 
* Network Manager Method: Manual
** IP Address: 192.168.1.10 (some devices will only accept from this IP)
** Subnet Mask: 255.255.255.0
** Gateway: 0.0.0.0 (Or leave blank)
 
You can also use the commands:
  sudo ip link set <eth_interface> down
  sudo ip addr add 192.168.1.10/24 dev <eth_interface>
  sudo ip link set <eth_interface> up
 
where <eth_interface> is the name of your ethernet interface found using `ip addr` (common names include eth0, enp3s0, ...)
 
* Plug one Ethernet cable into your laptop on one end and into the "LAN" port of the Power-over-Ethernet (PoE) power supply on the other end.
 
* Plug another Ethernet cable into your extender node on one end and into the "POE" port of the PoE power supply on the other end.
 
* Power on the extender node by plugging in the PoE and wait for it to boot (may take a few minutes).
 
* Make sure you aren't connected to a wifi network that has an 192.168.1.x IP range. Disconnect/disable your wifi if necessary.
 
* In a browser, go to the AirOS web interface at http://192.168.1.20
 
* Log in using the credentials
** username: ubnt
** password: ubnt
 
* Look at the Firmware information, it may say something like XM.v5.6.6.bin or XW.v5.6.6, based on this download the correct version of AirOS v5.5.10
 
{| class="wikitable"
! Version !! Firmware Image
|-
| XW v5.5.10 || http://dl.ubnt.com/firmwares/XW-fw/v5.5.10/XW.v5.5.10-u2.28005.150723.1358.bin
|-
| XM v5.5.10 || http://dl.ubnt.com/firmwares/XN-fw/v5.5.11/XM.v5.5.11.28002.150723.1344.bin
|-
| TI v5.5.11 || http://dl.ubnt.com/firmwares/XN-fw/v5.5.11/TI.v5.5.11.28002.150723.1518.bin
|}
 
* Back in the web interface, go to the "System" tab.
* Click the "Browse" button next to the "Upload Firmware" box
* Select the firmware image you just downloaded
* Click "Upload".
* After uploading you will be asked if you want to upgrade/install the firmware. Click yes/accept.
* Ignore any warnings about changing the default admin password, we're gonna overwrite it anyway
* Let the router finish flashing and wait for it to fully reboot.
* After it reboots, you may wanna go back into the web interface to make sure the downgrade was successful before proceeding.
 
XM.v6.0.4 (v6.0.4) firmware version does not appear to be downgradable via the preceding method. Instead you will need to use command-line method as follows,
 
  ssh-keygen -f "/home/yourusername/.ssh/known_hosts" -R 192.168.1.20
  scp <firmware_image.bin>  ubnt@192.168.1.20:/tmp/fwupdate.bin
  ssh ubnt@192.168.1.20  # password is "ubnt"
  /sbin/fwupdate -m
 
 
== Flash the Extender Node ==
Now that you have successfully downgraded the AirOS firmware, we can go ahead with flashing it with our custom build of OpenWRT. Start by downloading our firmware image for your model of extender node,


The extender nodes that we currently support are:
The extender nodes that we currently support are:


{| class="wikitable"
{| class="wikitable"
! Name !! Model No. !! OpenWRT Doc !! Firmware Image
! Name !! Notes !! OpenWRT Doc !! Firmware Image
|-
|-
| Ubiquiti Nanostation M5 || NSM5 || [https://wiki.openwrt.org/toh/ubiquiti/nanostationm5 OpenWRT Docs] || firmware: [https://builds.sudomesh.org/builds/chaos_calmer/ar71xx.extender-node/openwrt-ar71xx-generic-ubnt-nano-m-squashfs-factory.bin pre 2015] or [https://builds.sudomesh.org/builds/chaos_calmer/ar71xx.extender-node/openwrt-ar71xx-generic-ubnt-nano-m-xw-squashfs-factory.bin 2015-2016]
| Ubiquiti Nanostation M2 and M5 || Newer models need [[#Downgrading_to_earlier_AirOS|AirOS downgrade]] before flashing!  Note that this will almost certainly require a USB to Serial connection (see below).|| [https://wiki.openwrt.org/toh/ubiquiti/nanostationm5 OpenWRT Docs] || firmware: [https://builds.sudomesh.org/builds/sudowrt/fledgling/0.2.2/ar71xx.extender-node/openwrt-ar71xx-generic-ubnt-nano-m-squashfs-factory.bin pre 2015 M5 versions and all M2 versions] or [https://builds.sudomesh.org/builds/sudowrt/fledgling/0.2.2/ar71xx.extender-node/openwrt-ar71xx-generic-ubnt-nano-m-xw-squashfs-factory.bin 2015-2016 M5 versions]
|-
|-
| Ubiquiti Nanostation M2 || NSM2 || [https://wiki.openwrt.org/toh/ubiquiti/nanostationm2 OpenWRT Docs] || [https://builds.sudomesh.org/builds/chaos_calmer/ar71xx.extender-node/openwrt-ar71xx-generic-om2p-squashfs-factory.bin firmware image]
| Ubiquiti Picostation 2 || Not being built in current firmware release, Previous generation 802.11g (not the same as M2) || [https://wiki.openwrt.org/toh/ubiquiti/picostation2 OpenWRT Docs] || [https://builds.sudomesh.org/builds/sudowrt/fledgling/0.2.2/ath25.extender-node/openwrt-ath25-ubnt2-pico2-squashfs.bin firmware image]
|-
|-
| Ubiquiti Picostation 2 || || [https://wiki.openwrt.org/toh/ubiquiti/picostation2 OpenWRT Docs] || [https://builds.sudomesh.org/builds/chaos_calmer/ath25.extender-node/openwrt-ath25-ubnt2-pico2-squashfs.bin firmware image]
| Ubiquiti Picostation M2 || || [https://wiki.openwrt.org/toh/ubiquiti/picostationm2 OpenWRT Docs] || [https://builds.sudomesh.org/builds/sudowrt/fledgling/0.2.2/ar71xx.extender-node/openwrt-ar71xx-generic-ubnt-bullet-m-squashfs-factory.bin firmware image]
|-
|-
| Ubiquiti Picostation M2 || || [https://wiki.openwrt.org/toh/ubiquiti/picostationm2 OpenWRT Docs] ||  
| Ubiquiti Nanobeam M2 and M5 || NBE‑M2‑13 and NBE‑M5‑16 work but some (earlier?) NBE‑M5‑19 have ethernet port issues. Newer models need [[#Downgrading_to_earlier_AirOS|AirOS downgrade]] before flashing! || [https://wiki.openwrt.org/toh/ubiquiti/nanobeam OpenWRT Docs] || [https://builds.sudomesh.org/builds/sudowrt/fledgling/0.2.2/ar71xx.extender-node/openwrt-ar71xx-generic-ubnt-loco-m-xw-squashfs-factory.bin firmware image]
|-
|-
| Ubiquiti Nanobeam M2 and M5 || || [https://wiki.openwrt.org/toh/ubiquiti/nanobeam OpenWRT Docs] ||
| Ubiquiti Nanobridge M2 and M5 || || Same as pre-2015 Nanostation M || [https://builds.sudomesh.org/builds/sudowrt/fledgling/0.2.2/ar71xx.extender-node/openwrt-ar71xx-generic-ubnt-nano-m-squashfs-factory.bin firmware image]
|-
|-
| Ubiquiti Bullet M2 and M5 || || [https://wiki.openwrt.org/toh/ubiquiti/bullet OpenWRT Docs] ||  
| Ubiquiti Bullet M2 and M5 || || [https://wiki.openwrt.org/toh/ubiquiti/bullet OpenWRT Docs] || [https://builds.sudomesh.org/builds/sudowrt/fledgling/0.2.2/ar71xx.extender-node/openwrt-ar71xx-generic-ubnt-bullet-m-squashfs-factory.bin firmware image]
|}
|}
More firmware images can be found at http://builds.sudomesh.org/builds/sudowrt/fledgling/0.2.2/ar71xx.extender-node/
Also, if you are flashing for practice or testing, you can try using the dev-builds here, http://builds.sudomesh.org/dev-builds/, NOTE: USE WITH CARE, THESE PROVIDE SSH ACCESS WITH A DEFAULT PASSWORD AND SHOULD NOT BE USED FOR DEPLOYMENT NODES
* Configure your wired ethernet interface as instructed in the previous sections
* Plug one Ethernet cable into your laptop on one end and into the "LAN" port of the Power-over-Ethernet (PoE) power supply on the other end.


== Flash the Extender Node ==
* Plug another Ethernet cable into your extender node on one end and into the "POE" port of the PoE power supply on the other end.


* Configure your wired internet settings to use Manual IPv4 settings with IP: 192.168.1.10, subnet: 255.255.255.0, gateway: 0.0.0.0
* Plug one Ethernet cable into your laptop on one end and into the "LAN" port of the power-over-ethernet power supply on the other end.
* Plug another Ethernet cable into your antenna on one end and into the "POE" port of the power-over-ethernet power supply on the other end.
* Push a pin into the reset hole and hold it.
* Push a pin into the reset hole and hold it.
* With the pin held down, plug in the power to the power-over-ethernet power supply.
* With the pin held down, plug in the power to the extender node, either by plugging in it's ethernet cable or by powering on the PoE.
* Watch the lights on the antenna - they will all flash together a few times, then they will flash up and down.
 
* Continue holding down the pin, watch the lights on the antenna - they will all flash together a few times and then flash back-and-forth in what is affectionately known as cha-cha mode (or more accurately, TFTP mode).
 
* Once the lights on the antenna are flashing up and down, you can let go of the pin.
* Once the lights on the antenna are flashing up and down, you can let go of the pin.


You should be able to ping the extender at 192.168.1.20.
* You should be able to ping the extender at 192.168.1.20.


   $ ping 192.168.1.20
   $ ping 192.168.1.20
Line 36: Line 107:
   64 bytes from 192.168.1.20: icmp_seq=2 ttl=64 time=0.826 ms
   64 bytes from 192.168.1.20: icmp_seq=2 ttl=64 time=0.826 ms


In your Linux terminal, type:
* Open a terminal (Linux or Mac?) and run the following:


   git clone https://github.com/sudomesh/ubi-flasher
   git clone https://github.com/sudomesh/ubi-flasher
Line 43: Line 114:
   ./flasher.js '<path to firmware>'
   ./flasher.js '<path to firmware>'


The terminal will tell you "The firmware has been successfully sent to the router. In a few seconds, the router should begin flashing its four status LEDs sweeping from left to right, then right to left (or up down, down up). This means that the router is flashing itself with the new firmware. Once the router goes back to having only the power LED lit, the router has been successfully flashed."
* The terminal should return the following,
  The firmware has been successfully sent to the router. In a few seconds, the router should begin flashing its four status LEDs sweeping from left to right, then right to left (or up down, down up). This means that the router is flashing itself with the new firmware. Once the router goes back to having only the power LED lit, the router has been successfully flashed."


Wait until the antenna has only the power LED lit and you're done.
* Wait until the antenna has only the power LED lit and you're done.


Reconfigure your machine with the following static network configuration.
* Reconfigure your machine with the following static network configuration.
** IP address: 172.22.0.10
** Subnet mask:  255.255.255.0
** Gateway: 0.0.0.0


* IP Address: 172.22.0.10
Or use the commands
* Subnet mask:  255.255.255.0
  sudo ip link set <eth_interface> down
* Gateway: 0.0.0.0
  sudo ip addr add 172.22.0.10/24 dev <eth_interface>
  sudo ip link set <eth_interface> up
 
where <eth_interface> is the name of your ethernet interface found using `ip addr` (common names include eth0, enp3s0, ...)


See Network Configuration Guides: [https://sudoroom.org/wiki/Mesh/Network%20Configuration%20for%20Linux Linux] [https://sudoroom.org/wiki/Mesh/Network%20Configuration%20for%20MacOS%20X Mac]
See Network Configuration Guides: [https://sudoroom.org/wiki/Mesh/Network%20Configuration%20for%20Linux Linux] [https://sudoroom.org/wiki/Mesh/Network%20Configuration%20for%20MacOS%20X Mac]
Line 63: Line 141:
   64 bytes from 172.22.0.2: icmp_seq=3 ttl=64 time=0.398 ms
   64 bytes from 172.22.0.2: icmp_seq=3 ttl=64 time=0.398 ms


== Nanostation M5 ==
Once configured with our firmware, an extender node will not start broadcasting an SSID until it is plugged into a home node because it must first get a mesh IP address.
If you have a mynet n600 or n750, you can get a mesh IP for your extender node by plugging the LAN cable that was plugged into your computer into to port one or two on the back of the home node.
The mesh IP that the extender node receives is the IP of the home node plus one or two. For example, if your home node broadcasts the SSID "peoplesopen.net 65.21.65" corresponding to the IP 100.65.21.65, then your extender node will receive either an IP or either 100.65.21.66 or 100.65.21.67. Once plugged into this home node, the extender node should broadcast the SSID "peoplesopen.net 65.21.66" or ".67" as well as the ad-hoc network, "pplsopen.net-node2-node" (you may not see these if your computer's WiFi antenna is only 2.4 GHz)
 
== Testing and Network Detection ==
 
If you flashed your extender node with a dev-build of the firmware, you should now be able to ssh into to it.
It is probably easiest to first ssh in to your home node over the private interface and then into the extender node with its mesh IP.
 
First, you should immediately change or disable the root password and instead add your ssh key to `/etc/dropbear/authorized_key` (this method of login will not work when sshing through a home node)
  passwd
 
Once ssh'ed into the extender node, there are few files you can play around with,
`/etc/config/wireless` sets the names of the SSIDs broadcast by the antenna, you may want to change the name of the ad-hoc interface so as to distinguish it from home node's ad-hoc network
Trying changing it to something like "popplesopen.net-nod2nod", then reboot the extender node and check if you can see the new name in your network list.


=== Firmware check failure ===
YNext, you my be curious what you can see with your antenna, to scan for other visible networks, ssh in to the extender node and run the following,
  iw dev mesh0 scan | grep SSID:
This should return a lengthy list of SSID, if you can see another "pplsopen.net-node2node" SSID, you should be meshing with it automatically.


If you attempt to flash the extender and receive a 'Firmware check failed' error, then you have a version of the NSM5 that is protected from being flashed via the default TFTP method. You will need to obtain a serial to USB interface (USB to UART TTL Module Serial Converter, 5 pin) and use it to flash the firmware.
If you'd like to view more info about the network you can see, you can pipe the output of the previous command to a log file like so,
  iw dev mesh0 scan > scan log


  $ ./flasher.js openwrt-ar71xx-generic-ubnt-nano-m-squashfs-factory.bin
Once you are done meshing around with your extender node make sure to reset the root password with passwd or reflash the router with the standard build of our firmware.
  Accessing http://192.168.1.20/login.cgi
  Connection timed out
  Sending openwrt-ar71xx-generic-ubnt-nano-m-squashfs-factory.bin to 192.168.1.20 using tftp put
  [Error: (Server) Firmware check failed]


When connected to the NSM5 via a serial connection, a similar error is displayed when attempting to load the SudoWRT firmware image.
Log into your home node via SSH, and tail <tt>/var/log/messages</tt>


   Setting default IP 192.168.1.20
   Sun May  8 00:51:08 2016 daemon.debug notdhcpserver: eth0.3: Physical disconnect detected
   Starting TFTP server...
  Sun May  8 00:51:08 2016 daemon.debug notdhcpserver: Listening on interface eth0.3:
   Using eth0 (192.168.1.20), address: 0x81000000
   Sun May  8 00:51:08 2016 daemon.debug notdhcpserver:  client IP: 100.64.37.3
   Will reset device configuration (Reset button active after 10 seconds).
   Sun May  8 00:51:08 2016 daemon.debug notdhcpserver:  client netmask 26
   Erasing sector 123..126
  Sun May  8 00:51:12 2016 daemon.debug notdhcpserver: eth0.3: Recieved HEARTBEAT for interface that hadn't been ACKed.
    
   ...
   First 0x7b last 0x7e sector size 0x10000
   Sun May  8 00:54:00 2016 daemon.debug notdhcpserver: eth0.3: Recieved HEARTBEAT for interface that hadn't been ACKed.
   .... done
   Sun May  8 00:54:00 2016 daemon.info hostapd: priv5: STA 80:e6:50:0e:fe:6e WPA: group key handshake completed (RSN)
   Waiting for connection: \
   Sun May  8 00:54:04 2016 daemon.debug notdhcpserver: eth0.2: Received lease request
   Receiving file from 192.168.1.10:49763
   Sun May  8 00:54:04 2016 daemon.debug notdhcpserver: eth0.3: sending response (with ssl certificate)
   Received 4325788 bytes
  Sun May  8 00:54:32 2016 daemon.debug notdhcpserver: eth0.3: Received ACK
  Firmware check failed! (1)
   Sun May  8 00:54:32 2016 daemon.debug notdhcpserver: eth0.3: Running up hook script
   Sun May  8 00:54:32 2016 daemon.debug notdhcpserver: eth0.3: Received redundant ACK
   Sun May  8 00:54:32 2016 daemon.debug notdhcpserver: eth0.3: Received redundant ACK


==== NSM5 Official Firmware ====
There should be a debug message in the log from notdhcpserver concerning the extender node.


Official firmware from Ubiquity Nanostation M5 (NSM5)


* [https://www.ubnt.com/download/airmax-m/nanostationm/default/airos-xw-board-firmware-v564 airOS for XW board firmware v5.6.4]
== Troubleshooting ==
* [http://dl.ubnt.com/firmwares/XW-fw/v5.6.3/XW.v5.6.3.28591.151130.1735.bin airOS for XW board firmware v5.6.3]


=== USB to Serial Connection ===
=== USB to Serial Connection ===


The following notes describe steps to interface with a Nanostation M5 (NSM5) via the serial interface. This may be necessary to manually load firmware onto the device if the web interface or TFTP methods of flashing the firmware become unavailable due to [http://www.networkworld.com/article/3038722/mobile-wireless/manufacturers-start-to-lock-down-wi-fi-router-firmware-thanks-fcc.html manufacturers disabling these methods] of firmware flashing.
If you experience trouble flashing your device via the web interface, or via the TFTP image upload method, you'll want to establish a serial connection to troubleshoot further. Methods for flashing your device involving a serial connection may become more common as devices adopt configurations to lock down [http://www.networkworld.com/article/3038722/mobile-wireless/manufacturers-start-to-lock-down-wi-fi-router-firmware-thanks-fcc.html wi-fi router firmware] to prevent flashing.
 
The following notes describe steps to interface with a Nanostation M5 (NSM5) via the serial interface.  


==== Order a USB to Serial Converter ====
==== Order a USB to Serial Converter ====


USB to serial converter devices exist at a cost of $4 - $8 online, with much lower pricing and longer delivery times if ordered from China. Search for "USB to UART TTL", including "5 pin" in the search. Make sure the specifications do not mention anything other than 3.3 volts.
USB to serial converter devices exist at a cost of $4 - $8 online, with much lower pricing and longer delivery times if ordered from China. Search for "USB to UART TTL", including "5 pin" in the search. Make sure the specifications do not mention anything other than 3.3 volts.
Mac OS X users may need to install a device driver for their device. For example, for devices using the CP210X chip, you can download the [https://www.silabs.com/products/mcu/Pages/USBtoUARTBridgeVCPDrivers.aspx#mac CP210x USB to UART Bridge VCP Driver], which is made available as <tt>/dev/tty.SLAB_USBtoUART</tt>.


==== Connecting to Serial ====
==== Connecting to Serial ====
Line 114: Line 209:


Begin by connecting the Ground of the converter to the Ground of the device. Next connect the Transmit/TX of the converter to the Receive/RX of the device, then connect the Receive/RX of the converter to the Transmit/TX of the device.
Begin by connecting the Ground of the converter to the Ground of the device. Next connect the Transmit/TX of the converter to the Receive/RX of the device, then connect the Receive/RX of the converter to the Transmit/TX of the device.
Nanostation M5 (NSM5) Example:


[[File:CP2102-usb-to-serial-converter.jpg|400px|KEDSUM® CP2102 Module STC Download Cable USB 2.0 to TTL 6PIN Serial Converter For STC]]
[[File:CP2102-usb-to-serial-converter.jpg|400px|KEDSUM® CP2102 Module STC Download Cable USB 2.0 to TTL 6PIN Serial Converter For STC]]
Line 124: Line 221:


   sudo apt-get install minicom
   sudo apt-get install minicom
Mac OS X users can as well
  brew install minicom


By default the Minicom program will attempt to use /dev/tty8, and will also attempt to initialize the device (expecting a modem) by default.
By default the Minicom program will attempt to use /dev/tty8, and will also attempt to initialize the device (expecting a modem) by default.
Line 130: Line 231:
   minicom: cannot open /dev/tty8: Permission denied
   minicom: cannot open /dev/tty8: Permission denied


Run the program so that it starts the program on the USB converter that is connected by adding `-D /dev/ttyUSB0`, and specify that it should skip initialization by adding `-o`.
Run the program so that it starts the program on the USB converter that is connected by adding <tt>-D /dev/ttyUSB0</tt>, and specify that it should skip initialization by adding <tt>-o</tt>. Mac users may need to reference a different device (such as <tt>/dev/tty.SLAB_USBtoUART</tt>).


You can also specify from the command line that it use the baud rate and '8N1' settings specified below by including `-b 115200 -8`.  
You can also specify from the command line that it use the baud rate and '8N1' settings specified below by including <tt>-b 115200 -8</tt>.


   sudo minicom -D /dev/ttyUSB0 -o -b 115200 -8
   sudo minicom -D /dev/ttyUSB0 -o -b 115200 -8


In Minicom, CTRL-A to get settings, then Press O, to access settings
In Minicom, CTRL-A to get settings, then Press O, to access settings. Mac users will need to discover the proper META key to use with their Terminal program. iTerm uses the 'ESC' key.


Go to Serial Port Setup, use these settings:
Go to Serial Port Setup, use these settings:
Line 193: Line 294:


You'll need to make sure to press a key before it boots the default image.
You'll need to make sure to press a key before it boots the default image.
=== Picostation M2HP ===
Insightful post on [https://www.strugglingcoder.info/index.php/tag/ubnt/ loading FreeBSD image] with help from serial communications. Could be useful with troubleshooting other models.
=== Nanostation M2 ===
==== Firmware check failure ====
The following are simply notes. A solution to this issue is still pending.
Flashing the Nanostation M2 (FCC ID: SWX-M2N) using the TFTP rescue mode will result in a Firmware check failure error.
  $ tftp 192.168.1.20
  tftp> bin
  tftp> put openwrt-ar71xx-generic-om2p-squashfs-factory.bin
  Error code 2: Firmware check failed
  Sent 4609024 bytes in 12.6 seconds
You can boot up the M2 with a serial connection similar to the instructions below concerning the Nanostation M5.
  Board: Ubiquiti Networks XM board (rev 1.0 e012)
  DRAM:  32 MB
  Flash:  8 MB
  PCIe WLAN Module found (#1).
  Net:  eth0, eth1
  Hit any key to stop autoboot:  0
  ar7240> mtdparts default
  ar7240> urescue
  Setting default IP 192.168.1.20
  Starting TFTP server...
  Using eth0 (192.168.1.20), address: 0x81000000
  Waiting for connection: |
  Receiving file from 192.168.1.10:35456
  Received 4609501 bytes
  Firmware check failed! (-2)
The method outlined for the Nanostation M5 below doesn't work with the M2.
Update the firmware to [http://dl.ubnt.com/firmwares/XN-fw/v5.6.4/XM.v5.6.4.28924.160331.1253.bin airOS for XM board firmware v5.6.4].
Serial Connection:
  ar7240> mtdparts default
  ar7240> urescue
  Setting default IP 192.168.1.20
  Starting TFTP server...
  Using eth0 (192.168.1.20), address: 0x81000000
  Waiting for connection: \
Terminal:
  $ tftp 192.168.1.20
  tftp> bin
  tftp> put XM.v5.6.4.28924.160331.1253.bin
  Sent 7537129 bytes in 20.8 seconds
Serial Connection:
  Receiving file from 192.168.1.10:55113
  Received 7537129 bytes
  Firmware Version: XM.ar7240.v5.6.4.28924.160331.1253
  Setting U-Boot environment variables
  Un-Protected 1 sectors
  Erasing Flash.... done
  Erased 1 sectors
  Writing to Flash... done
  Protected 1 sectors
  Will not overwrite u-boot partition! Skipped.
  Copying partition 'kernel' to flash memory:
          erasing range 0x9F050000..0x9F14FFFF: ................ done
  Erased 16 sectors
          writing to address 0x9f050000, length 0x00100000 ...
  Copying partition 'rootfs' to flash memory:
          erasing range 0x9F150000..0x9F74FFFF: .............................................................................................e
  Erased 96 sectors
          writing to address 0x9f150000, length 0x00600000 ...
 
  Firmware update complete.
 
  Resetting...
 
  U-Boot 1.1.4.2-s594 (Dec  5 2012 - 15:23:07)
 
  Board: Ubiquiti Networks XM board (rev 1.0 e012)
Attempting to run the same process after performing an official firmware update doesn't resolve the issue.
=== Nanostation M5 ===
Official firmware from Ubiquity Nanostation M5 (NSM5)
* [https://www.ubnt.com/download/airmax-m/nanostationm/default/airos-xw-board-firmware-v564 airOS for XW board firmware v5.6.4]
==== Firmware check failure ====
Flashing the Nanostation M5 (FCC ID: SWX-NSM5D) using the TFTP rescue mode will result in a Firmware check failure error.
If you attempt to flash the extender and receive a 'Firmware check failed' error, then you have a version of the NSM5 that is protected from being flashed via the default TFTP method. You will need to obtain a serial to USB interface (USB to UART TTL Module Serial Converter, 5 pin) and use it to flash the firmware.
  $ ./flasher.js openwrt-ar71xx-generic-ubnt-nano-m-squashfs-factory.bin
  Accessing http://192.168.1.20/login.cgi
  Connection timed out
  Sending openwrt-ar71xx-generic-ubnt-nano-m-squashfs-factory.bin to 192.168.1.20 using tftp put
  [Error: (Server) Firmware check failed]
When connected to the NSM5 via a serial connection, a similar error is displayed when attempting to load the SudoWRT firmware image.
  Setting default IP 192.168.1.20
  Starting TFTP server...
  Using eth0 (192.168.1.20), address: 0x81000000
  Will reset device configuration (Reset button active after 10 seconds).
  Erasing sector 123..126
 
  First 0x7b last 0x7e sector size 0x10000
  .... done
  Waiting for connection: \
  Receiving file from 192.168.1.10:49763
  Received 4325788 bytes
  Firmware check failed! (1)
===== Drop into U-Boot Command Prompt =====
Connect a USB to Serial adapter to the correct pins of the NSM5, as shown above. Unplug the Ethernet cable from the device, and then plug it back in to provide Power Over Ethernet once again, resulting in a reboot of the device.
During the boot process, press a key to during the boot process to make the [https://wiki.openwrt.org/doc/techref/bootloader/uboot U-Boot] bootloader to drop into a command line prompt.


   U-Boot 1.1.4-s958 (Jun 10 2015 - 10:56:20)
   U-Boot 1.1.4-s958 (Jun 10 2015 - 10:56:20)
Line 204: Line 429:
   Reset: Normal
   Reset: Normal
   Hit any key to stop autoboot:  0
   Hit any key to stop autoboot:  0
  Hit any key to stop autoboot:  0
   ar7240>
   ar7240>  


This will cause the [https://wiki.openwrt.org/doc/techref/bootloader/uboot U-Boot] bootloader to drop into a command line.
===== Running TFTPd =====
 
==== Running TFTPd ====


Although U-Boot can support two protocols for transfering files, kermit or y-modem, the bootloader does not support the <tt>loadb</tt> or <tt>loady</tt>. Minicom only supports y-modem protocol.
Although U-Boot can support two protocols for transfering files, kermit or y-modem, the bootloader does not support the <tt>loadb</tt> or <tt>loady</tt>. Minicom only supports y-modem protocol.
Line 303: Line 525:
   [  25.660000] done.
   [  25.660000] done.
   [  25.660000] jffs2: notice: (993) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and.
   [  25.660000] jffs2: notice: (993) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and.
 
 
    
    
   BusyBox v1.23.2 (2015-11-30 18:48:50 EST) built-in shell (ash)
   BusyBox v1.23.2 (2015-11-30 18:48:50 EST) built-in shell (ash)
Line 326: Line 546:
    
    
   root@sudomesh-node:/#
   root@sudomesh-node:/#
== Picostation M2HP ==
Insightful post on [https://www.strugglingcoder.info/index.php/tag/ubnt/ loading FreeBSD image] with help from serial communications. Could be useful with troubleshooting other models.
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