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C-LANG Statements › CONTEXTENGINEID Statement—Specify a Context Engine ID

CONTEXTENGINEID Statement—Specify a Context Engine ID

The CONTEXTENGINEID statement specifies the context engine ID, which uniquely identifies an SNMP entity within an administrative domain. An SNMP entity can access management information in many contexts. Since an item of management information can exist in more than one context, you can use the CONTEXTENGINEID statement, together with the CONTEXTNAME statement, to uniquely identify a variable within an administrative domain.

This statement is ignored if your SNMP version is v1 or v2.

Supported Job Types

This statement is optional for the following job types:

Syntax

This statement has the following format:

CONTEXTENGINEID X'[context_engine_ID]'
context_engine_ID

(Optional) Specifies the context engine ID in hexadecimal format.

Limits: Up to 512 hexadecimal characters

Example: Specify Context Engine ID in an SNMP Value Set Job

Suppose that you want to set the value of the OUT456789 variable using SNMP v3. In this example, the job uses the AES privacy protocol and the MD5 authentication protocol. The OUT456789 variable belongs to the context named contxtname within the SNMP entity identified by the hexadecimal value CAB0. The credentials of user user1 are used for authorization.

AGENT SNMPAGENT
SNMPUSER user1
MIB 'c:\SNMP\MIBs\mymib.mib'   
SNMPNODE OUT456789 HOST(host.example.com) VERSION(3)
CONTEXTNAME contxtname
CONTEXTENGINEID X'cab0'
PRIVPROTOCOL AES
AUTHPROTOCOL MD5
PARAMETER TYPE(snmp:int) VALUE(8)