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ERLite v3 Setup Notes.md

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Ubiquiti EdgeRouter Lite 3 Setup Notes

Initial Setup

  • Select a system to use for setup that has a wired network adapter
  • Browse to https://www.ubnt.com/download/edgemax and download the latest firmware for "ERLite-3/ERPoe-5"
  • hard-code your setup system's wired IP to 192.168.1.11
  • connect your setup system to eth0 on ERLite-3
  • Power up the ERLite-3
  • Browse to https://192.168.1.1
      username: ubnt
      password: ubnt
  • Click 'System' (at the bottom left), scroll down to find 'update firmware' (lower right), click 'upload a file'
      Select the firmware file downloaded previously
      (ER-e100.v1.9.7+hotfix.4.5024004.tar as of this writing)
  • Reboot

Continued Setup

  • change password for ubnt
  • create user 'admin'
  • enable public/private key auth for admin
      copy id_rsa.pub from your workstation to /config/pubkeys/<your-system-name>_rsa.pub
      (replace "<your-system-name>_rsa.pub" with something that will remind you where this key came from...)
      Load the keys into the router config
configure
loadkey admin /config/pubkeys/<your-system-name>_rsa.pub
commit
save
exit
#
# for normal configure commands, "commit" will restart affected services
# the "loadkey" macro does not generate the restart of ssh that is
# required for recognition of the new keys
sudo /etc/init.d/ssh restart
  • Run the 'LoadBalance' wizard
      eth1 -> (your first ISP)
      eth2 -> (your second ISP)
      eth0 -> (your LAN; enable or disable DHCP as appropriate for your situation)

Remote Administration

  • change the Port for ssh in 'system' (to eg 2202)
  • Create "WAN_LOCAL" rule to allow new connections -> 2202 -> 2202 to allow remote ssh connections