Dell PowerConnect 55xx Systems User Guide 319– Authentication Method — Select an authentication method used toauthenticate users. The possible options are:• None — No user authentication is used.• MD5 Password — HMAC-MD5-96 password is used forauthentication.• SHA Password — Users are authenticated using the HMAC-SHA-96 authentication level.• MD5 Key — Users are authenticated using the HMAC-MD5algorithm.• SHA Key — Users are authenticated using the HMAC-SHA-96authentication level.– Password (0-32 Characters) — If the MD5 Password or SHA Passwordauthentication method was selected, enter the user-defined passwordfor a group.– Authentication Key (MD5-16; SHA-20 Hex Characters) — If theMD5 Key or SHA Key authentication method was selected, enter theHMAC-MD5-96 or HMAC-SHA-96 keys. The authentication andprivacy keys are entered to define the authentication key. If onlyauthentication is required, 16 bytes are defined for MD5. If bothprivacy and authentication are required, 32 bytes are defined for MD5.Each byte in hexadecimal character strings is two hexadecimal digits.Each byte can be separated by a period or a colon.– Privacy Key (16 Hex Characters) — If the MD5 Key or SHA Keyauthentication method was selected, enter the privacy key. If onlyauthentication is required, 20 bytes are defined. If both privacy andauthentication are required, 16 bytes are defined. Each byte inhexadecimal character strings is two hexadecimal digits. Each byte canbe separated by a period or colon.
