Digi TransPort WR21 - Configuring Secure Shell (SSH) Server and Client

Digi TransPort WR21

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Configuring Secure Shell (SSH) server and client

About the Secure Shell (SSH) server 542

Configure SSH servers 543

Configure the SSH client 548

Generate SSH private keys 553

Perform SSH authentication with a public/private key pair 555

Digi TransPort® Routers User Guide

541

Table of Contents

Default Chapter4
- Table of Contents4
Digi Transport® Routers15
- Transport WR1115
- Transport WR2117
- Transport WR3118
- Transport WR4120
- Transport WR44 / WR44 R21
- Transport WR44 RR22
Hardware Features23
- Transport WR11 Hardware Features24
- Transport WR21 Hardware Features35
- Transport WR31 Hardware Features45
- Transport WR41 Hardware Features64
- Transport WR44 / WR44 R Hardware Features76
- Transport WR44 RR Hardware Features91
- Signal Strength Indicators102
- Antenna Specifications for Wi-Fi 2.4 Ghz Modules103
Using the Web Interface104
- Log in to the Device105
- Log out and Return to the Login Page107
- Execute a Command from the Web Interface108
- Signal Strength Indicators on the Mobile Status Page109
- Use the Web Interface Wizards110
Using the Command-Line Interface118
- About the Digi Transport Command Line Interface119
- Supported Command Types120
- Required Software for Using the Command Line121
- Connect to the Transport Router from a PC122
- Log in to the Command Line Interface123
- Exit the Command Line Interface124
- Commands and the Active Port125
- When Commands Take Effect126
- View Current Configuration Changes127
- Save Changes128
- Configure Network Settings129
- Establish a Remote Connection131
- Application Commands132
- AT Commands152
Configuring Network Interfaces179
- Configure Ethernet Interfaces179
- Configure Wi-Fi Interfaces208
- Configure Mobile (Cellular) Interfaces223
- Configure DSL Interfaces257
- Configure Generic Routing Encapsulation (GRE) Interfaces267
  - Configure GRE Tunnel Parameters268
  - Configure Advanced GRE Parameters271
- Configure ISDN Interfaces273
- Configure PSTN Interfaces293
  - Configure Advanced PSTN Parameters298
- Configure Dialserv Interfaces302
  - Configure Dialserv Network Settings303
  - Configure Advanced Dialserv Parameters307
- Configure Serial Interfaces311
- Configure Ipv6 Addressing Support335
- Configure PPP and External Modems357
Configuring DHCP Servers396
- About DHCP Servers397
- Configure DHCP Server for Ethernet Interfaces398
- Configure Advanced DHCP Parameters401
- Configure Advanced DHCP Options402
- Configure DHCP Options404
- Configure Static Lease Reservations406
Configuring Network Services408
- Configure Network Services409
Configuring DNS414
- Configure DNS Servers415
  - DNS Server N Parameters415
- DNS Server Update Parameters416
- Configure Dynamic DNS (Dyndns)420
  - Dynamic DNS Parameters420
  - Advanced Dynamic DNS Parameters423
Configuring IP Routing and Forwarding425
- Supported Routes426
- View the Transport Routing Table428
- Configure Route Metrics429
- Configure IP Routing Parameters430
- Configure Static Routes433
  - Advanced Static Route Parameters434
  - Related CLI Commands437
- Configure Default IP Routes441
  - Advanced Default Route Parameters442
- Configure Routing Information Protocol (RIP) Settings447
- Configure Open Shortest Path First (OSPF) Parameters453
- Configure Border Gateway Protocol (BGP) Settings456
- Configure IP Port Forwarding and Static NAT Mappings458
- Configure Multicast Routes460
- Configure Virtual Routing and Forwarding (VRF)462
Configuring Virtual Private Networking (VPN)468
- Virtual Private Networks (Vpns)469
- Configure Internet Protocol Security (Ipsec)470
- Configure Point-To-Point Tunneling Protocol (PPTP)525
- Configure Openvpn527
  - Additional Information on Openvpn Configuration527
  - Supported Cipher and Digest Values for Openvpn534
Configuring Secure Sockets Layer (SSL)535
- About the Secure Sockets Layer (SSL)536
- Configure the SSL Server537
- Configure SSL Clients539
Configuring Secure Shell (SSH) Server and Client541
- About the Secure Shell (SSH) Server542
- Configure SSH Servers543
- Configure the SSH Client548
- Generate SSH Private Keys553
- Perform SSH Authentication with a Public/Private Key Pair555
Configuring FTP Relay556
- Configure FTP Relay557
Configuring IP Passthrough562
- Configure IP Passthrough563
Configuring UDP Echo566
- Configure a UDP Echo Client567
Configuring Quality of Service (Qos)569
- Configure Quality of Service (Qos)570
Configuring Time Bands577
- Configure a Time Band578
- Enable and Disable Time Bands for a PPP or Wi-Fi Interface580
Configuring Advanced Network Settings582
- Configure Advanced Network Settings583
  - Configure First Settings Group583
Configuring Legacy Protocols590
- About Legacy Protocols590
- Configure Systems Network Architecture over IP (SNAIP)591
  - Forcing SNAIP to Use a Specific Instance598
- Configure TPAD Parameters599
  - Set TPAD Parameters604
- Configure X.25 Parameters613
- Configure a MODBUS Gateway657
- Configure Protocol Switch Software661
Configuring Alarms680
- Configure Events to Trigger Alarms681
- Edit Event Descriptions697
  - Configure Event Logcodes699
  - Configure Handling of the Reasons for an Event702
- Configure an SMTP Email Account to Send Alarms704
Configuring System Settings707
- Set Device Identity Parameters708
- Set System Date and Time710
- Set Commands to Run Automatically at Bootup721
- Set Web and Command Line Interface Options722
- Set Miscellaneous System Options725
- Set Power Control Options727
- Set Temperature Monitoring731
Configuring Remote Management732
- Use Digi Remote Manager to Manage Devices733
- Use SNMP for Remote Management743
Configuring Security751
- Configure System Security Settings752
- Configure User Security Settings754
  - Configure Advanced User Settings756
  - Change the Default Username and Password for a User758
- Firewall759
- Use a RADIUS Client for Authentication801
  - Configure Advanced RADIUS Client Parameters804
- Use TACACS+ to Control Access to the Router805
- Use Command Filtering810
  - Enable Command Filtering811
  - Set Calling Numbers to Answer or Reject812
Configuring Telemetry (GPS)814
- Configure GPS Parameters815
- Configure WR31 Cellular GPS820
- Configure GPS Support for the GOBI3000 Module822
Managing Applications and Programs823
- Manage Scriptbasic Applications823
- Manage Python Applications825
Managing Networks and Connections827
- Show Network Interface Status827
- Manage Connections871
- Show GPS Data881
- View and Manage the Event Log883
- Analyze Data Traffic885
- Use the Top Talkers Monitor894
  - Configure Top Talkers Monitor895
  - Show the Top Talkers Trace896
Performing Device Administration Tasks897
- View System Information897
- Manage Files900
- Manage X.509 Certificates and Host Key Pairs920
- Back up and Restore Configuration Settings932
- Update Firmware934
- Reset the Router to Factory Defaults936
  - Using the Web Interface936
  - Using the Reset Button on the Router937
- Save Configuration Settings to a File938
  - Save the Current Configuration938
  - Save All: Save the Entire Configuration938
- Execute a Command from the Web Interface940
- Reboot the Router941
Troubleshooting942
- Troubleshooting Resources943
- Download the Debug.txt File944
- Cannot Open the Web Interface946
- Cannot Log into the Web Interface947
- Troubleshoot the LTE-MIMO Antenna Orientation948

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