Tenda V1200 User Manual page 168

Parameter
Key Exchange Method-Manual
When Manual is selected, the following parameters appear.
Parameter description
Parameter
Perfect Forward Secrecy
Advanced IKE Settings
Encryption Algorithm
Encryption Key
Authentication Algorithm
Description
Stage 2: Both communication sides take ISAKMP SA as IPSec security protocol
parameters, and create IPSec SA which is used to secure data transmission.
Manual: Refer to

Key Exchange Method-Manual
Description
It specifies the property that ensures that a session key derived from a set of
long-term public and private keys will not be compromised if one of the
(long-term) private keys is compromised in the future.
Select Enable or Disable according to your needs. It is disabled by default.
Advanced IKE Settings
Refer to
When the Tunnel Mode is set to ESP, you can configure ESP encryption algorithm.
The modem router supports the following encryption algorithm:
DES: It specifies Data Encryption Standard.

3DES: It specifies Triple DES.

AES(aes-cbc): It specifies Advanced Encryption Standard.

It specifies an encryption key. Both communication sides should set it to the same
one.
When the Tunnel Mode is set to AH, you can configure AH authentication
algorithm.
The modem router supports the following authentication algorithm:
MD5: It specifies Message Digest Algorithm. The system generates a 128 bit

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