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DGS-3610 Series Configuration Guide Chapter 25 SNMP Configuration
25-5
Security
Model
Level
Authentication
Encryption
Description
SNMPv3
noAuthNoPriv
User Name
None
Ensures the data validity
through User Name.
SNMPv3
authNoPriv
MD5 or SHA
None
Provides an authentication
mechanism based on
HMAC-MD5 or HMAC-SHA.
SNMPv3
authPriv
MD5 or SHA
DES
Provides an authentication
mechanism based on
HMAC-MD5 or HMAC-SHA.
Provides an encryption
mechanism based on
CBC-DES.
SNMPv2c
noAuthNoPriv
Community
string
None
Ensures the data confidentiality
through Community string.
SNMPv3
noAuthNoPriv
User Name
None
Ensures the data confidentiality
through User Name.
SNMPv3
authNoPriv
MD5 or SHA
None
Provides an authentication
mechanism based on
HMAC-MD5 or HMAC-SHA.
SNMPv3
authPriv
MD5 or SHA
DES
Provides an authentication
mechanism based on
HMAC-MD5 or HMAC-SHA.
Provides an encryption
mechanism based on
CBC-DES.
25.1.5 SNMP Engine ID
The engine ID is designed to identify an SNMP engine uniquely. SNMP engine ID within a
management domain, a SNMP engine ID is the unique and unambiguous identifier of a
SNMP engine. So every SNMPV3 entity has a unique engine identifier named
SNMPEngineID.
SNMP Engine ID is an OCTET STRING, the length is 5~32 bytes the format of Engine ID
is defined in RFC3411:
 The first four bytes are assigned with the private enterprise number in HEX by IANA.
 The fifth bytes indicates how the rest (6th and following octets) are formatted.
0: Reserved
1: The following 4 bytes are for IPv4 address