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Using the Configuration Menu
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Encapsulation
Protocol-
There are two protocols that can be selected: ESP and AH.
Encryption
Algorithm-
There are two algorithms that can be selected: 3DES and DES.
Authentication
Algorithm-
There are two algorithms that can be selected: SHA1 and MD5.
Encryption Key-
For DES, the encryption key is 8 bytes (16 alpha-numeric
characters). For 3DES, the encryption key is 24 bytes (48
alpha-numeric characters).
Authentication Key-
For MD5, the authentication algorithm is16 bytes (32 alpha-
numeric characters).
For SHA1, the authentication algorithm is 20 bytes.(40 alpha-
numeric characters).
Life Time- Enter in the life time value.
Life Time Unit- There are two units that can be selected: Second and KB.