Digi TransPort WR31 User Manual page 415

Configure Virtual Private Networking (VPN)
Advanced IPsec tunnel parameters
IPsec mode
Selects the IPsec encapsulation type to use on the IPsec tunnel. In Tunnel mode, the entire IP
packet (header and payload) is encrypted. In Transport mode, only the IP payload is encrypted.
Use algorithm AH authentication on this tunnel
The AH authentication algorithm to use with this IPsec tunnel. The options are:
No (None)
•
MD5
•
SHA1
•
Use algorithm compression on this tunnel
The compression algorithm to use with this IPsec tunnel. The options are:
No (None)
•
DEFLATE
•
Digi TransPort WR Routers User Guide
IPsec parameters
415