Value Range
HMAC-MD5, HMAC-SHA1
Maintenance Console Location
27.10 Router Configuration
—VPN—[3-2] IPSec
Diffie-Hellman Group
Selects the Diffie-Hellman Group.
Default
Group2 (modp1024)
Value Range
Group1 (modp768)
, Group2 (modp1024), Group5 (modp1536), Group14 (modp2048)
Maintenance Console Location
27.10 Router Configuration—VPN—[3-2] IPSec
Lifetime (s)
Selects the SA life time.
Default
28800
Value Range
300–691200 s
Maintenance Console Location
27.10 Router Configuration
—VPN—[3-2] IPSec
Perfect Forward Secrecy
Specifies whether to enable Perfect Forward Secrecy
(PFS) in phase 2.
When Off is selected, the secret shared key created in phase 1 is used in phase 2. Security is increased when
PFS is enabled.
Default
Off
Value Range
On, Off
Maintenance Console Location
27.10 Router Configuration—VPN—[3-2] IPSec
Document Version 2016-03 PC Programming Manual 1171
27.10 Router Configuration—VPN—[3-2] IPSec