User`s guide

Vigor3100 Series User’s Guide
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Profile Name Specify a name for the profile of the LAN-to-LAN connection.
Enable this profile Check here to activate this profile.
Call Direction Specify the allowed call direction of this LAN-to-LAN profile.
Both:-initiator/responder
Dial-Out- initiator only
Dial-In- responder only.
Always On or Idle Timeout Always On-Check to enable router always keep VPN
connection.
Idle Timeout: The default value is 300 seconds. If the
connection has been idled over the value, the router will drop
the connection.
Enable PING to keep alive This function is to help the router to determine the status of
IPSec VPN connection, especially useful in the case of
abnormal VPN IPSec tunnel disruption. For details, please refer
to the note below. Check to enable the transmission of PING
packets to a specified IP address.
PING to the IP Enter the IP address of the remote host that located at the
other-end of the VPN tunnel.
Enable PING to Keep Alive is used to handle abnormal IPSec
VPN connection disruption. It will help to provide the state of a
VPN connection for router’s judgment of redial.
Normally, if any one of VPN peers wants to disconnect the
connection, it should follow a serial of packet exchange