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How to configure ubiquiti network equipment » History » Version 8

Nico Schottelius, 05/31/2020 08:44 PM

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h1. How to configure ubiquiti network equipment
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{{toc}}
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h2. General steps
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* Reset the device
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* ssh into it (username: ubnt, password: ubnt)
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* Setup a password
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h2. Upgrading most ubiquiti access points
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* Dowload the latest firmware from https://www.ui.com/download
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* scp it to the device as /tmp/fwupdate.bin
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* ssh into the device, run 
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*** @syswrapper.sh upgrade2 &@
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*** Seems to need to be backgrounded from all examples in the web - it instantly exits though
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*** so & might-or-might-not be necessary
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h2. Enabling ssh access without a password
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* Add your public RSA (ed25519 don't work) to /etc/dropbear/authorized_keys
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h2. Configuring Wifi
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* Download the "unifi network" app
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* Go to account->standalone devices : wait for the aps to show up
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h2. Installing OpenWRT on AP Lite/LR/Pro
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Stock ubiquiti does not work in IPv6 only environments. So replacing the stock firmware with OpenWRT makes them usable.
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* Update ("downgrade") to firmware version 3.7.58
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** https://dl.ui.com/unifi/firmware/U7PG2/3.7.58.6385/BZ.qca956x.v3.7.58.6385.170508.0957.bin
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* Get the latest openwrt image
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** Check https://openwrt.org/toh/ubiquiti/unifiac
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* Use mtd to replace it 
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* Use mtd to erase kernel1
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* Set the boot loader to 0
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** write a 0 o the mtd partition "bs"
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Sample session (don't copy and paste)
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<pre>
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[20:14] manager:~% wget http://downloads.openwrt.org/releases/19.07.3/targets/ath79/generic/openwrt-19.07.3-ath79-generic-ubnt_unifiac-lite-squashfs-sysupgrade.bin
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[20:14] manager:~% scp openwrt-19.07.3-ath79-generic-ubnt_unifiac-lite-squashfs-sysupgrade.bin ubnt@[2a0a:e5c0:13:0:f29f:c2ff:fef3:cbe4]:
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[20:14] manager:~% ssh ubnt@2a0a:e5c0:13::f29f:c2ff:fef3:cbe4    
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BZ.v3.7.58# mtd write openwrt-19.07.3-ath79-generic-ubnt_unifiac-lite-squashfs-sysupgrade.bin kernel0
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BZ.v3.7.58# mtd write openwrt-19.07.3-ath79-generic-ubnt_unifiac-lite-squashfs-sysupgrade.bin kernel0
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Unlocking kernel0 ...
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Writing from openwrt-19.07.3-ath79-generic-ubnt_unifiac-lite-squashfs-sysupgrade.bin to kernel0 ...     
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BZ.v3.7.58# mtd erase kernel1
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Unlocking kernel1 ...
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Erasing kernel1 ...
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BZ.v3.7.58# cat /proc/mtd 
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dev:    size   erasesize  name
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mtd0: 00060000 00010000 "u-boot"
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mtd1: 00010000 00010000 "u-boot-env"
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mtd2: 00790000 00010000 "kernel0"
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mtd3: 00790000 00010000 "kernel1"
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mtd4: 00020000 00010000 "bs"
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mtd5: 00040000 00010000 "cfg"
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mtd6: 00010000 00010000 "EEPROM"
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BZ.v3.7.58# dd if=/dev/zero bs=1 count=1 of=/dev/mtd4
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1+0 records in
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1+0 records out
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BZ.v3.7.58# 
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BZ.v3.7.58# reboot 
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</pre>