Name: Digi Connect IT 16
Brand: Digi
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Services Configure DNS

Digi Connect IT® 16/48 User Guide

354

Required configuration items

n Configure access control for the DNS service.

Additional configuration items

n Whether the device should cache negative responses.

n Whether the device should always perform DNS queries to all available DNSservers.

n Whether to prevent upstream DNS servers from returning private IP addresses.

n Additional DNS servers, in addition to the ones associated with the device's network interfaces.

n Specific host names and their IP addresses.

Default Chapter9
- Table of Contents9
Digi Connect IT® 16/48 User Guide18
- Connect IT 16 and 48 Key Features18
Get Started with Connect IT 16/4819
- Verify Product Components19
- Cellular ONLY: Insert the CORE Module22
  - Prerequisites22
- Connect the Power Supplies and Fans23
- Optional: Connect SFP+ Modules24
- Connect the Hardware24
  - Connect Hardware and Connect to Site Network Using an Ethernet LAN24
  - Connect Hardware and Connect to a Cellular Network25
- Manually Configure PC to Connect to the Connect IT25
Connect Equipment to the Connect IT Serial Ports27
- Serial Connector Pinout27
Configuration and Management29
- Review Connect IT 16/48 Default Settings29
- Change the Default Password for the Admin User31
- Configuration Methods32
- Using Digi Remote Manager34
- Access Digi Remote Manager34
- Using the Web Interface34
  - Log out of the Web Interface35
- Using the Command Line36
- Access the Terminal Screen from the Web UI36
- Log into the Connect IT from the Console Port37
- Access the Command Line Interface37
- Log in to the Command Line Interface37
- Exit the Command Line Interface38
Configure Remote Power Management39
- Configure Communication between the Connect IT, Power Controller, and a Device39
- Create an Access Control to Specify Which Users Can Access Which Outlets39
- Manage Power to the Power Controller Outlets39
- Configure the Connect IT to Connect to a Power Controller Using a Serial Port40
- Configure the Connect IT to Connect to a Power Controller Using the Network43
- Create an Access Control Group for Power Management and Assign to Users45
- Manage the Power to the Power Controller Outlets from the Connect IT46
Interfaces49
- Wide Area Networks (Wans)50
- Local Area Networks (Lans)116
- Bridging152
  - Edit the Preconfigured ETH2 Bridge153
  - Configure a Bridge156
Serial Port161
- Add a USB Console Port166
- Show Serial Status and Statistics180
- Serial Status Page181
- Search for a Port183
- Serial Connector Pinout in Reversed Mode183
Console Port184
- Configure the Console Port184
Routing186
- IP Routing187
- Show the Routing Table204
- Dynamic DNS205
  - Configure Dynamic DNS205
- Virtual Router Redundancy Protocol (VRRP)210
Virtual Private Networks (VPN)233
- Ipsec234
- Openvpn270
- Generic Routing Encapsulation (GRE)300
- Nemo320
  - Configure a NEMO Tunnel320
  - Show NEMO Status326
Services329
- Allow Remote Access for Web Administration and SSH329
- Configure the Web Administration Service332
- Configure SSH Access341
- Use SSH with Key Authentication347
  - Generating SSH Key Pairs347
- Configure Telnet Access349
- Configure DNS353
- Simple Network Management Protocol (SNMP)361
- Location Information367
- Modbus Gateway396
  - Configure the Modbus Gateway397
  - Show Modbus Gateway Status and Statistics410
- System Time413
- Configure the System Time413
- Network Time Protocol415
- Configure the Device as an NTP Server416
- Configure a Multicast Route422
- Ethernet Network Bonding425
- Enable Service Discovery (Mdns)427
- Use the Iperf Service431
  - Example Performance Test Using Iperf3435
- Configure the Ping Responder Service436
  - Example Performance Test Using Iperf3439
Applications442
- Configure Applications to Run Automatically442
  - Task One: Upload the Application442
  - Task Two: Configure the Application to Run Automatically444
- Run a Python Application at the Shell Prompt448
- Start an Interactive Python Session450
- Digidevice Module451
- Use the Human Interface Device (HID) Module476
  - Help for the Hid Module477
- Use Python to Access Serial Ports478
- Use the Paho MQTT Python Library479
- Use the Local REST API to Configure the Connect IT 16/48 Device482
- Stop a Script that Is Currently Running486
- Show Script Information487
User Authentication490
- Connect IT 16/48 User Authentication490
- User Authentication Methods490
- Authentication Groups497
- Local Users506
- Terminal Access Controller Access-Control System Plus (TACACS+)518
- Remote Authentication Dial-In User Service (RADIUS)524
- Ldap529
- Disable Shell Access537
- Set the Idle Timeout for Connect IT 16/48 Users538
- Example User Configuration540
  - Example 1: Administrator User with Local Authentication540
  - Example 2: RADIUS, TACACS+, and Local Authentication for One User542
Firewall553
- Firewall Configuration553
- Port Forwarding Rules557
  - Configure Port Forwarding557
  - Delete a Port Forwarding Rule562
- Packet Filtering564
- Configure Custom Firewall Rules571
- Configure Quality of Service Options573
System Administration586
- Review Device Status586
- Configure System Information587
- Update System Firmware589
- Update Cellular Module Firmware593
  - Update Modem Firmware over the Air (OTA)594
  - Update Modem Firmware by Using a Local Firmware File596
- Reboot Your Connect IT 16/48 Device597
  - Reboot Your Device Immediately598
  - Schedule Reboots of Your Device598
- Erase Device Configuration and Reset to Factory Defaults599
  - Configure the Connect IT 16/48 Device to Use Custom Factory Default Settings602
- Configuration Files605
- Schedule System Maintenance Tasks610
- Disable Device Encryption617
  - Re-Enable Cryptography after It Has Been Disabled618
- Configure the Speed of Your Ethernet Ports619
Monitoring623
- Intelliflow623
- Configure Netflow Probe630
Central Management636
- Digi Remote Manager Support636
- Configure Digi Remote Manager636
- Collect Device Health Data and Set the Sample Interval642
- Log into Digi Remote Manager644
- Use Digi Remote Manager to View and Manage Your Device646
- Add a Device to Digi Remote Manager647
- View Digi Remote Manager Connection Status647
- Use the Digi Remote Manager Mobile App648
- Configure Multiple Devices Using Profiles649
- Learn more649
File System651
- The Connect IT 16/48 Local File System651
- Display Directory Contents651
- Create a Directory652
- Display File Contents653
- Copy a File or Directory653
- Move or Rename a File or Directory654
- Delete a File or Directory655
- Upload and Download Files656
Diagnostics661
- Generate a Support Report661
- View System and Event Logs662
  - View System Logs662
  - View Event Logs664
- Configure Syslog Servers666
- Configure Options for the Event and System Logs668
- Analyze Network Traffic673
- Use the Ping Command to Troubleshoot Network Connections685
  - Ping to Check Internet Connection685
  - Stop Ping Commands685
- Use the Traceroute Command to Diagnose IP Routing Problems685
Hardware687
- Front Panel and Leds687
- Back Panel and Leds689
- Hardware Specifications691
  - Power Supply691
- Electrical Rating691
- Mounting Options692
- Configure the Find Me Feature692
- QR Code Definition692
Troubleshooting693
- Use the RESET Button to Reset Your Device to the Factory Defaults693
- Tips for Improving Cellular Signal Strength693
- Download a Support Report693
Regulatory and Safety Information694
- Safety Warnings694
- Power Supply and Supplemental Fan Module Considerations695
- Information Access695
Command Line Interface697
- Access the Command Line Interface697
- Log in to the Command Line Interface697
- Exit the Command Line Interface698
- Execute a Command from the Web Interface698
- Display Help for Commands and Parameters699
- Auto-Complete Commands and Parameters701
- Available Commands702
- Use the Scp Command703
- Display Status and Statistics Using the Show Command704
- Device Configuration Using the Command Line Interface706
- Execute Configuration Commands at the Root Admin CLI Prompt706
  - Display Help for the Config Command from the Root Admin CLI Prompt706
- Configuration Mode708
- Command Line Reference720

Digi Connect IT 16 User Manual

Table of Contents

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Digi Connect IT 16 Specifications

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