Digi Connect IT 4

Digi Connect IT® 4 User Guide
10
Show VRRP status and statistics 303
Virtual Private Networks (VPN)
IPsec 307
IPsec data protection 307
IPsec mode 307
IPsec modes 307
Internet Key Exchange (IKE) settings 307
Authentication 308
Configure an IPsec tunnel 308
Configure IPsec failover 336
Configure SureLink active recovery for IPsec 339
Show IPsec status and statistics 355
Debug an IPsec configuration 356
Configure a Simple Certificate Enrollment Protocol client 358
Example: SCEP client configuration with Fortinet SCEP server 364
Show SCEP client status and information 369
OpenVPN 372
Configure an OpenVPN server 373
Configure an OpenVPN Authentication Group and User 382
Configure an OpenVPN client by using an .ovpn file 386
Configure an OpenVPN client without using an .ovpn file 389
Configure SureLink active recovery for OpenVPN 393
Show OpenVPN server status and statistics 409
Show OpenVPN client status and statistics 410
Generic Routing Encapsulation (GRE) 412
Configuring a GREtunnel 412
Show GRE tunnels 417
Example: GRE tunnel over an IPSec tunnel 418
Dynamic Multipoint VPN (DMVPN) 433
Configure a DMVPN spoke 434
L2TP 440
Configure a PPP-over-L2TP tunnel 440
L2TP with IPsec 450
Show L2TP tunnel status 450
L2TPv3 Ethernet 452
Configure an L2TPv3 tunnel 452
Show L2TPV3 tunnel status 457
NEMO 458
Configure a NEMO tunnel 458
Show NEMO status 464
Services
Allow remote access for web administration and SSH 467
Configure the web administration service 470
Configure SSHaccess 481
Use SSH with key authentication 488
Generating SSH key pairs 488
Configure telnet access 491
Configure DNS 496
Show DNS server 502
Simple Network Management Protocol (SNMP) 503