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5. Enhanced Network Security
SPI (Input)
Security Protocol
Authentication Algorithm
5
Authentication Key
Encryption Algorithm
166
Setting
Specify the same value as your
transmission partner's SPI
output value.
To apply both encryption and
authentication to sent data,
specify ESP or AH + ESP. To
apply authentication data only,
specify AH.
Specify the authentication
algorithm.
Specify the key for the
authentication algorithm.
Specify the encryption
algorithm.
Description
Any number between 256 and
4095
• EPS
• AH
• EPS+AH
• HMAC-MD5-96
• HMAC-SHA1-96
Specify a value within the
ranges shown below,
according to the encryption
algorithm.
hexadecimal value
0-9, a-f, A-F
• If HMAC-MD5-96, set
• If HMAC-SHA1-96, set
ASCII
• If HMAC-MD5-96, set
• If HMAC-SHA1-96, set
• Cleartext (NULL
• DES
• 3DES
• AES-128
• AES-192
• AES-256
Setting Value
32 digits
40 digits
16 characters
20 characters
encryption)
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