Vigor3900 Series User’s Guide
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Available parameters are listed as follows:
Item Description
Phase 1 Key Life
Time
The rekey-renegotiated period of the IKE Phase1 keying
channel of a connection. The acceptable range is from 5 to
480 minutes (8 hours).
Phase 2 Key Life
Time
The rekey-renegotiated period of the IKE Phase
2
keying
channel of a connection. The acceptable range is from 5 to
480 minutes (8 hours).
Perfect Forward
Secrecy Status
Enables the PFS function. A new Diffie-Hellman Key
Exchange is included every time an encryption and/or
authentication key are computed on PFS.
Dead Peer
Detection Status
Enable
– Click it to enable DPD. When there is no traffic
through the IPSec tunnel, both server and the client will
send the DPD packet to each other to ensure the IPSec
tunnel connection is active still.
Disable
– Click it to disable DPD.
DPD Delay
The keep-alive timer. A Hello message will be emitted
periodically when a tunnel is idle. Use the value 0 to disable
this function. The recommended value is 30 seconds if
enabled.
DPD Timeout
The timeout timer. The peer will be declared dead once no
acknowledge message is received after timeout value. Use
the value 0 to disable this function. The recommended value
is 120 seconds if enabled.
Ping to Keep Alive
Enable
– Click it to enable such function.
Ping to the IP
- If you enable the PING function, please
specify the IP address for the system to PING it for keeping
alive.
Route/NAT Mode
If the remote network only allows you to dial in with single
IP, please choose this mode, otherwise please choose Route
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