xStack® DGS-3120 Series Managed Switch Web UI Reference Guide 
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Figure 3–39 SNMP Engine ID Settings window 
 
The fields that can be configured are described below: 
Parameter  Description 
Engine ID 
To change the Engine ID, type the new Engine ID value in the space provided. The SNMP 
engine ID displays the identification of the SNMP engine on the Switch. The default value is 
suggested in RFC2271. The very first bit is 1, and the first four octets are set to the binary 
equivalent of the agent’s SNMP management private enterprise number as assigned by 
IANA (D-Link is 171). The fifth octet is 03 to indicate the rest is the MAC address of this 
device. The sixth to eleventh octets is the MAC address. 
Click the Apply button to accept the changes made. 
 
NOTE: The Engine ID length is 10-64 and accepted characters can range from 0 to F. 
 
SNMP User Table Settings 
This window displays all of the SNMP User’s currently configured on the Switch. 
To view the following window, click Management > SNMP Settings > SNMP User Table Settings, as show below: 
 
 
Figure 3–40 SNMP User Table Settings window 
 
The fields that can be configured are described below: 
Parameter  Description 
User Name 
An alphanumeric string of up to 32 characters. This is used to identify the SNMP 
This name is used to specify the SNMP group created can request SNMP messages. 
V3 – Indicates that SNMP version 3 is in use. 
SNMP V3 Encryption 
Use the drop-down menu to enable encryption for SNMP V3. This is only operable in 
SNMP V3 mode. The choices are None, Password, or Key. 
MD5 – Specify that the HMAC-MD5-96 authentication level will be used. This field is