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UNMS - Remote Discovery

Overview

Readers will learn how the UNMS Remote Discovery feature works and how it can be used to find and connect devices in your networks. 

NOTES & REQUIREMENTS:
  • Starting from the v1.1.0 release, the device discovery methods have undergone significant changes. This article focuses on the latest version of the feature.
  • More information on the Ubiquiti Network Management System can be found on theUNMS website.
  • Join the UNMS discussion on the Ubiquiti Community and interact with other experts that are active on forum.

Table of Contents

  1. Introduction
  2. Firmware and Device Requirements 
  3. The Device Discovery Process
  4. Related Articles

Introduction

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The UNMS Remote Discovery feature is available starting from the UNMS v1.1.0 release. It is a new system designed to find devices in your network and easily adopt them into the UNMS controller. There are two methods used to discover devices:

  • Scan from the UNMS Controller Search for devices in the network(s) connected to the UNMS controller.
  • Scan from Devices Search for devices from other currently connected/adopted devices.

The second option allows UNMS to discover devices inside private network ranges or behind NAT. It is even possible to automatically upgrade the firmware of a device if it does not meet the minimum requirements. The Scan from Devices option is especially useful for UNMS Cloud users as it allows you to automatically discover and connect to local LAN devices from the Cloud.

Firmware and Device Requirements 

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NOTE: To perform Remote Discovery,UNMS is primarily using an EdgeRouter configured as a UNMS Gateway router. But in case there is no such device in the local network, any airMAX AC device with the necessary firmware version can also be used instead. 

The Device Discovery feature is compatible with the latest firmware releases of EdgeMAX and airMAX devices. The minimum required firmware versions are:

  • EdgeRouter v2.0.8+
  • airMAX AC v8.0.7+
  • EdgeSwitch v1.9.0+

The Device Discovery Process

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Remote discovery is running automatically in the background searching for all available devices. When first signing up and creating a UNMS Cloud instance for example, you are asked to add a device. If you add an EdgeRouter (with firmware v2.0.8+), UNMS can then use the EdgeRouter to discover other devices in the local network (LAN). 

The UNMS Remote Discovery feature can be configured from the settings.png  Settings > Devices > Discovery Settings section. The default settings are set automatically, but you can customize the options:

  • Allow unsecured channels By default, the Discovery manager will only send device credentials over secured channels HTTPS/SSH. This option allows discovery to use unsecured channels (e.g. HTTP), but only for private IP address ranges.
  • Scan from UNMS Search for devices in the network(s) connected to the UNMS controller.
  • Scan from Devices Search for devices from other currently connected/adopted devices.
  • SNMP community The SNMP community string (set to public by default).
  • Hide third party devices Hide non-Ubiquiti devices from the scan results. 
  • Blacklist IP addresses and subnets that should be ignored by discovery.

The UNMS Remote Discovery feature is running automatically in the background searching for all available devices within the IP ranges defined in the  settings.png  Settings > Network > Addresses > Monitored IP subnets section. Initially, it checks if there is a gateway available in each range and if such gateway is found the range is scanned again with higher priority. 

ATTENTION: Remote discovery is only performed for IP ranges defined inthe  settings.png  Settings > Network > Addresses > Monitored IP subnets section.

When any IP change is detected by UNMS, for example when a new device is connected or when the Monitored IP subnets are changed, the scan is initiated again. This re-scan is also performed periodically in set intervals, but it can also be manually run from the  devices.png  Devices > Discovered section. Here you can also add a specific device by entering its IP address, credentials, and HTTPS port. Device can be added if it is reachable from the UNMS server itself or any other device in the local network. 

NOTE: When adding a specific device, it is important to make sure the IP address is correct since device credentials will be transferred.

Related Articles

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UNMS - Global Features for Networks
UNMS - Device Discovery

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