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DWR-980 Wireless AC1200 4G LTE Router
with VDSL2 Support, Gigabit Ethernet Ports,
2 FXS Ports, and USB Port
User Manual
Parameter
Mode
Allow traffic from
IPsec to router
DPD action
DPD delay
DPD timeout
An operation mode of the IPsec tunnel. Select a value from the drop-
down list.
TUNNEL: As a rule, it is used to create a secure connection to
•
remote networks. In this mode, the source IP packet is fully
encrypted and added to a new IP packet and data transfer is
based on the header of the new IP packet.
TRANSPORT: As a rule, it is used to encrypt data stream
•
within one network. In this mode, only the content of the
source IP packet is encrypted, its header remains unchanged
and data transfer is based on the source header.
Move the switch to the left to deny access to your router from the
remote subnet via IPsec. The switch is displayed when the TUNNEL
value is selected from the Mode drop-down list.
Using DPD protocol (Dead Peer Detection) allows to check the status
of the remote host in the tunnel: if encrypted packets exchange
between the router and the remote host breaks down, the router starts
sending DPD requests to the remote host. Select the needed action
from the drop-down list.
Restart: Restart the tunnel connection immediately.
•
Hold: Reestablish the connection upon request when the traffic
•
matching the tunnel appears.
Clear: Close the tunnel connection with no further action.
•
Off: Disable DPD. When this value is selected, the DPD
•
delay and DPD timeout fields are not available for editing.
A time period (in seconds) between DPD messages. By default, the
value 30 is specified.
A waiting period for the response to a DPD message (in seconds). If
the host does not answer in the specified time, the router breaks down
the tunnel connection, updates information on it, and tries to
reestablish the connection. By default, the value 120 is specified.
Page 166 of 372
Configuring via Web-based Interface
Description
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