Draytek Vigor3900 User Manual page 345

Vigor3900 Series User's Guide
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configured by the remote end. It is available only when
Aggressive Mode is enabled.
Remote ID – It is on behalf of the IP address while identity
authentication with remote VPN server. The length of ID is
limited to 47 characters. It is available only when
Aggressive Mode is enabled.
Auth Type The authentication to be used by Pre-Shared Key or RSA
Signature. Choose PSK or RSA for such profile.
Certificate Choose a local certificate from the drop down list if RSA is
selected as Auth Type.
Preshared Key Type a pre-shared key for authentication if PSK is selected
as Auth Type.
Security Protocol Choose ESP to specify the IPSec protocol for the
Encapsulating Security Payload protocol. The data will be
encrypted and authenticated. Choose AH to specify the
IPSec protocol for the Authentication Header protocol. The
data will be authenticated but not be encrypted.
DPD Delay DPD means dead peer detection. It is a 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 It is 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.
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