FAQ: What is Engine ID in SNMP configuration?

FAQ: What is Engine ID in SNMP configuration?

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Article ID: CTX217465

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Description

Question:
What is Engine ID in SNMP configuration on Netscaler and what it is used for?

Answer: 

SNMP engines are service providers that reside in the SNMP agent. They provide services such as sending, receiving, and authenticating messages. SNMP engines are uniquely identified using engine IDs.

The NetScaler appliance has a unique engineID based on the MAC address of one of its interfaces.

Below is the command that can be used to configure Engine ID:

set snmp engineId <engineID>

<engineID>  => A hexadecimal value of at least 10 characters, uniquely identifying the engineid.This is a mandatory argument

DESCRIPTION
Above command modifies the SNMPv3 engine identification (ID) on the NetScaler appliance.

Caution: Changing the ID of the SNMPv3 engine invalidates the current SNMP users. You have to reconfigure the SNMP users in the SNMP managers

Additional Information

http://docs.citrix.com/en-us/netscaler/11-1/system/snmp/configuring-snmpv3-queries.html