
Configure settings required to create a common key for IPsec. Select the IKE version to suit your environment, and configure the following settings.
Setting  | Description  | |
|---|---|---|
[Encryption Algorithm]  | Select the encryption algorithm to create a common key used for communication.  | |
[Authentication Algorithm]  | Select the authentication algorithm to create a common key used for communication.  | |
[Encryption Key Validity Period]  | Specify the validity period of a common key to securely create a common key used to encrypt communications (default: [28800] sec.). When this period has expired, a new key is created. This can secure the communication.  | |
[Diffie-Hellman Group]  | Select the Diffie-Hellman group (default: [Group 2]).  | |
[Negotiation Mode]  | Select the negotiation mode (default: [Main Mode]). This option is not available in [IKEv2].  | |