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Draytek Vigor3900 Series User Manual

Draytek Vigor3900 Series
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Vigor3900 Series User’s Guide
223
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.
5. After filling the required information for Advanced, click the GRE tab to open the
following page.
Available parameters are listed as follows:
Item Description
Enable GRE
Function
Check the box to enable the function.
Local GRE IP
The virtual IP address of the router, specified for this tunnel.
Remote GRE IP
The virtual IP address of the remote client, specified for this
tunnel.
Auto Generate
Click Enable to generate the GRE key by the system

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Draytek Vigor3900 Series Specifications

General IconGeneral
BrandDraytek
ModelVigor3900 Series
CategoryNetwork Hardware
LanguageEnglish

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