DIR-816L Wireless AC750 Dual Band Router & Access Point
with 3G/CDMA/LTE Support and USB Port
User Manual
Configuring Device (Router Mode)
Parameter Description
Identifier
Select an identification method of a remote host from the drop-down
list:
Address: A remote host is identified by its IP address.
FQDN: A remote host is identified by its domain name.
Identifier value
Specify the value of the identifier.
Pre-shared key
A key for mutual authentication of the parties.
Interface
Select a WAN connection through which the tunnel will pass. When
the <auto> value is selected, the router uses the connection set as the
default gateway.
NAT Traversal
The NAT Traversal function allows VPN traffic to pass through the
NAT-enabled router.
Select the Disabled value to disable the function.
Select the Enabled value to enable the function if it is supported by a
remote host.
Select the Force value to make the function be always on even if it is
not supported by a remote host.
Exchange mode
Select the mode of negotiation from the drop-down list:
Main: The mode provides the most secure communication between
the parties in the course of negotiation of the authentication
procedures.
Base: The draft negotiation mode with preliminary authentication of
a host.
Aggressive: The mode provides faster operation as it skips several
stages of negotiation of the authentication procedures.
Enable DPD
Select the checkbox to enable using DPD protocol for this tunnel.
Such a setting allows to check the status of a remote host: if encrypted
packets exchange between the router and the remote host breaks down,
the router starts sending DPD messages to the remote host. If the
checkbox is not selected, the Dead Peer Detection delay and
Dead Peer Detection maximum fail fields are not available for
editing.
Dead Peer Detection
delay
A time period (in seconds) between attempts to check the status of a
remote host. By default, the value 5 is specified.
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