Add wifi down to Troubleshooting Tips (#47)

* Add wifi down to Troubleshooting Tips Add the "wifi down" tip for troubleshooting firmware installs that result in a "bad gateway" message. * Add wifi down to Troubleshooting-2 Remove # for clarity.
aredn · Dec 4, 2019 · f3b491f · f3b491f
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commit f3b491f
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diff --git a/arednGettingStarted/installing_firmware.rst b/arednGettingStarted/installing_firmware.rst
@@ -229,6 +229,8 @@ my-computer:$ ssh -p 2222 root@192.168.1.1
 ~~~~~~~ after logging into the node as root (hsmm) ~~~~~~~
 node:# sysupgrade -n /tmp/aredn-firmware-filename.bin
 
+The steps above will usually work for operators struggling to install AREDN |trade| firmware on a *Mikrotik hAP ac lite* device. Recently another issue was described in the upstream OpenWRT code. The 5GHz 802.11ac wireless driver used only in the *hap ac lite* has a memory issue which can leave the device without sufficient memory to complete the firmware install. The AREDN |trade| development team advises that, if you can telnet or ssh to the node and type the command ``wifi down`` you can free the memory used by this driver. Then the firmware install from the command line or web interface should work as designed.
+
 Additional questions and troubleshooting assistance can usually be obtained by creating a post on the AREDN |trade| `online forum <https://www.arednmesh.org/forum>`_, which has an active community of helpful and experienced operators.
 
 Post-Install Steps