Digi Connect IT Mini Bedienungsanleitung

Digi Connect IT® Mini

User Guide

Revision history—90002358

Revision Date Description

D June 2020 Release of DigiConnect IT Mini firmware version

20.5:

nSupport for LDAP user authentication.

nFirmware installation from the Digi

firmware server.

nEnhanced Digi Remote Manager support:

lSupport for remote proxy server for

Digi Remote Manager.

lWatchdog support for connection to

Digi Remote Manager.

lLocally authenticate CLI option

added to Digi Remote Manager

configuration to control whether a

user is required to provide device-

level authentication when accessing

the console of the device through

Digi Remote Manager.

lAdded a randomized two minute

delay window for uploading health

metrics to the Digi Remote Manager

to avoid situations where multiple

devices are uploading metrics at the

same time.

E June 2020 nAdded note that for devices

manufactured prior to the release of

firmware version 19.11.x, the default

user name may be root.

nAdded additional web UI connection

information.

F July 2020 Updated information about the factory default

network settings.

G August 2020 Added information about running Python

applications.

Digi Connect IT® Mini User Guide 2

Revision Date Description

H September 2020 Release of Digi Connect IT Mini firmware version

20.8:

nSupport for NEMO/DMNR virtual private

networks.

nSupport for serial Modbus Gateway.

nSupport for VRRP+, an extension to the

VRRP standard that uses network

probing to monitor connections through

VRRP-enabled devices.

nCloud service enhancements:

lReduced data usage for reporting

health metrics to Digi Remote

Manager.

Added Monitoring >Device Health >

Only report changed values to Digi

Remote Manager option to control

sending metrics to Digi Remote

Manager on the basis of whether the

values have changed since they were

last reported.

lAdded Monitoring >Device Health >

Data point tuning configuration

options to fine tune what datapoints

are uploaded as health metrics to

Digi Remote Manager.

lAdded the ability to select Digi aView

as the cloud service.

nAdded the ability to duplicate firmware

to copy the active firmware to the

secondary firmware partition.

nMoved the update firmware CLI

command to system firmware update.

nAdded new Authoritative option under

TACACS+, RADIUS, and LDAP user

authentication methods to prevent

falling back to additional authentication

methods.

nCisco Umbrella content filtering.

nAdded options under System >Log >

Server list to allow users to specify the

TCP/UDP protocol and port of the

remote syslog server.

nSerial port enhancements:

Digi Connect IT® Mini User Guide 3

Revision Date Description

lAdded configuration option under

Serial >TCP connection to specify

encrypted connection types.

lAdded configuration option under

Serial >TCP/Telnet/SSH

connections to enable/disable TCP

keep-alive messages and nodelay.

nEnhanced SMS support:

lAdded System >Scheduled tasks >

Allow scheduled scripts parameter

to allow custom python scripts to

handle sending/receiving SMS

messages

lAdded the digidevice.sms python

module for sending/receiving SMS

messages in a custom python script.

nMQTT client support via Paho Python

module.

nAdded a random unprivileged port for

performing ntp time syncs if standard

port 123 fails.

nScripting enhancements:

lAdded a Status >Scripts page in the

web UI and show scripts command

to the Admin CLI to view custom

scripts and applications configured in

the device, along with their status.

Added the system scripts stop

command to the Admin CLI to stop a

custom script or application.

Trademarks and copyright

Digi, Digi International, and the Digi logo are trademarks or registered trademarks in the United

States and other countries worldwide. All other trademarks mentioned in this document are the

property of their respective owners.

Disclaimers

Information in this document is subject to change without notice and does not represent a

commitment on the part of Digi International. Digi provides this document “as is,” without warranty of

any kind, expressed or implied, including, but not limited to, the implied warranties of fitness or

merchantability for a particular purpose. Digi may make improvements and/or changes in this manual

or in the product(s) and/or the program(s) described in this manual at any time.

Digi Connect IT® Mini User Guide 4

Warranty

To view product warranty information, go to the following website:

www.digi.com/howtobuy/terms

Customer support

Gather support information: Before contacting Digi technical support for help, gather the following

information:

Product name and model

Product serial number (s)

Firmware version

Operating system/browser (if applicable)

Logs (from time of reported issue)

Trace (if possible)

Description of issue

Steps to reproduce

Contact Digi technical support: Digi offers multiple technical support plans and service packages.

Feedback

To provide feedback on this document, email your comments to

techcomm@digi.com

Include the document title and part number (Digi Connect IT® Mini User Guide, 90002358 C) in the

subject line of your email.

Digi Connect IT® Mini User Guide 5

Contents

Digi Connect IT® Mini User Guide

Get started with the Connect IT Mini

Verify product components 16

Included equipment 16

Required additional equipment 17

Connect the hardware to a network 17

Connect hardware and connect to a cellular network 17

Connect hardware and connect to site network using an Ethernet port 18

Connect equipment to the Connect IT

Connect equipment to the Connect IT serial ports 19

Serial connector pinout 19

Connect equipment to the Connect IT USB port 20

Configuration and management

Review Connect IT Mini default settings 23

Local WebUI 23

Digi Remote Manager 23

Default interface configuration 23

Other default configuration settings 24

Change the default password for the admin user 24

Configuration methods 25

Using Digi Remote Manager 27

Access Digi Remote Manager 27

Using the web interface 27

Log out of the web interface 28

Manually configure a PCto connect to the Connect IT 28

Using the command line 30

Access the terminal screen from the web UI 30

Access the command line interface 30

Exit the command line interface 32

Digi Connect IT® Mini User Guide 6

Digi Connect IT® Mini User Guide 7

Configure Remote Power Management

Configure communication between the Connect IT, power controller, and a device 33

Create an access control to specify which users can access which outlets 33

Manage power to the power controller outlets 33

Configure the Connect IT to connect to a power controller using a serial port 34

Configure a serial port for Power Management 34

Connect a power controller to the Connect IT serial port 35

Configure the Connect IT to connect to a power controller using the network 35

Configure communication with a power controller using the network 35

Connect the Connect IT to your network 36

Optional: Connect a 3rd-party device to the serial port on the Connect IT and then to the

power controller 36

Create an access control group for power management and assign to users 36

Manage the power to the power controller outlets from the Connect IT 37

Control the outlet power from a terminal (all users) 37

View power controller status and manage power (Administrators) 38

Control the outlet power from the Serial Status page 38

Interfaces

Wide Area Networks (WANs) 41

Wide Area Networks (WANs) and Wireless Wide Area Networks (WWANs) 42

Configure WAN/WWAN priority and default route metrics 42

WAN/WWAN failover 44

Configure SureLink active recovery to detect WAN/WWAN failures 45

Configure the device to reboot when a failure is detected 52

Disable SureLink 58

Example: Use a ping test for WAN failover from Ethernet to cellular 61

Using cellular modems in a Wireless WAN (WWAN) 64

Configure a Wide Area Network (WAN) 77

Configure a Wireless Wide Area Network (WWAN) 83

Show WAN and WWAN status and statistics 92

Delete a WAN or WWAN. 95

Local Area Networks (LANs) 97

About Local Area Networks (LANs) 98

Configure a LAN 98

Show LAN status and statistics 104

Delete a LAN 105

DHCP servers 107

Create a Virtual LAN (VLAN) route 121

Bridging 124

Configure a bridge 125

Serial port

Configure the serial port 129

Show serial status and statistics 134

Serial Status page 135

Routing

IP routing 138

Digi Connect IT® Mini User Guide 8

Configure a static route 139

Delete a static route 142

Policy-based routing 143

Configure a routing policy 144

Routing services 152

Configure routing services 152

Show the routing table 155

Dynamic DNS 156

Configure dynamic DNS 156

Virtual Router Redundancy Protocol (VRRP) 161

VRRP+ 161

Configure VRRP 161

Configure VRRP+ 165

Example: VRRP/VRRP+ configuration 172

Configure device one (master device) 173

Configure device two (backup device) 176

Show VRRP status and statistics 181

Virtual Private Networks (VPN)

IPsec 185

IPsec data protection 185

IPsec modes 185

Internet Key Exchange (IKE) settings 185

Authentication 186

Configure an IPsec tunnel 186

Configure IPsec failover 208

Configure SureLink active recovery for IPsec 209

Show IPsec status and statistics 215

OpenVPN 217

Configure an OpenVPN server 218

Configure an OpenVPN Authentication Group and User 227

Configure an OpenVPN client by using an .ovpn file 231

Configure an OpenVPN client without using an .ovpn file 233

Configure active recovery for OpenVPN 238

Show OpenVPN server status and statistics 244

Show OpenVPN client status and statistics 245

Generic Routing Encapsulation (GRE) 247

Configuring a GREtunnel 247

Show GRE tunnels 251

Example: GRE tunnel over an IPSec tunnel 252

NEMO 267

Configure a NEMO tunnel 267

Show NEMO status 273

Services

Allow remote access for web administration and SSH 276

Configure the web administration service 279

Configure SSHaccess 286

Use SSH with key authentication 292

Generating SSH key pairs 292

Configure telnet access 294

Configure DNS 298

Digi Connect IT® Mini User Guide 9

Simple Network Management Protocol (SNMP) 306

SNMP Security 306

Configure Simple Network Management Protocol (SNMP) 306

Download MIBs 310

Configure the Modbus gateway 311

Configure gateway servers 313

Configure clients 314

System time 325

Configure the system time 325

Network Time Protocol 327

Configure the device as an NTP server 328

Configure a multicast route 334

Enable service discovery (mDNS) 337

Use the iPerf service 340

Example performance test using Iperf3 344

Applications

Configure applications to run automatically 346

Task one: Upload the application 346

Task two: Configure the application to run automatically 348

Run a Python application at the shell prompt 352

Start an interactive Python session 354

Digidevice module 355

Use digidevice.cli to execute CLI commands 356

Use digidevice.datapoint to upload custom datapoints to Digi Remote Manager 357

Use digidevice.config for device configuration 359

Use Python to respond to Digi Remote Manager SCI requests 361

Use digidevice runtime to access the runtime database 369

Use Python to upload the device name to Digi Remote Manager 371

Use Python to send and receive SMS messages 373

Use Python to access serial ports 375

Use the Paho MQTTpython library 376

Stop a script that is currently running 379

Show script information 380

User authentication

Connect IT Mini user authentication 384

User authentication methods 384

Add a new authentication method 386

Delete an authentication method 388

Rearrange the position of authentication methods 389

Authentication groups 391

Change the access rights for a predefined group 392

Add an authentication group 394

Delete an authentication group 398

Local users 400

Change a local user's password 401

Configure a local user 402

Delete a local user 409

Terminal Access Controller Access-Control System Plus (TACACS+) 412

TACACS+ user configuration 413

TACACS+ server failover and fallback to local authentication 414

Digi Connect IT® Mini User Guide 10

Configure your Connect IT Mini device to use a TACACS+ server 414

Remote Authentication Dial-In User Service (RADIUS) 420

RADIUS user configuration 421

RADIUS server failover and fallback to local configuration 421

Configure your Connect IT Mini device to use a RADIUS server 422

LDAP 427

LDAP user configuration 428

LDAP server failover and fallback to local configuration 429

Configure your Connect IT Mini device to use an LDAP server 429

Disable shell access 434

Set the idle timeout for Connect IT Mini users 435

Example user configuration 437

Example 1: Administrator user with local authentication 437

Example 2: RADIUS, TACACS+, and local authentication for one user 439

Firewall

Firewall configuration 450

Create a custom firewall zone 450

Configure the firewall zone for a network interface 452

Delete a custom firewall zone 453

Port forwarding rules 455

Configure port forwarding 455

Delete a port forwarding rule 460

Packet filtering 462

Configure packet filtering 462

Enable or disable a packet filtering rule 466

Delete a packet filtering rule 467

Configure custom firewall rules 469

Configure Quality of Service options 471

System administration

Review device status 484

Configure system information 485

Update system firmware 487

Manage firmware updates using Digi Remote Manager 487

Certificate management for firmware images 487

Dual boot behavior 490

Update cellular module firmware 491

Reboot your Connect IT Mini device 492

Reboot your device immediately 493

Schedule reboots of your device 493

Reset the device to factory defaults 494

Configuration files 498

Save configuration changes 498

Save configuration to a file 499

Restore the device configuration 500

Schedule system maintenance tasks 503

Monitoring

intelliFlow 511

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