Planet MH-2300 User Manual page 244

Step 5. Under the Encryption and Data Integrity Algorithms section,
select "3DES" for Encryption Algorithm, "MD5" for Authentication
Algorithm and "Diffie-Hellman1" for Key Group.
Step 6. Under the IPSec Settings section, select the radio box of "Use both
algorithms", select "3DES" for the Encryption Algorithm and "MD5"
for Authentication Algorithm.
Step 7. Under the Advanced Settings (optional) section, select "DH1" for
PFS Key Group, type "3600" in the ISAKMP SA Lifetime field and
"28800" in the IPSec SA Lifetime field, and then select "Main Mode"
for IKE Negotiation.
Step 8. Under the GRE Tunnel Settings section, type in "192.168.50.100" in
the Local Endpoint Address field and "192.168.50.200" in the
Remote Endpoint Address field.
The Local Endpoint Address and Remote Endpoint Address must be in the
same Class C subnet, and yet cannot be repeated.
Encryption and Data Integrity Algorithms
IPSec Algorithm Settings
Advanced Settings
GRE Tunnel Settings
244
Gigabit Multi-Homing VPN Security Gateway
MH-2300