January 2019
Intermediate to advanced
798 pages
20h 33m
English
Content preview from Zabbix 4 Network Monitoring - Third Edition
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The engine ID
There is a very common misconfiguration done when attempting to use SNMPv3. According to RFC 3414 (https://tools.ietf.org/html/rfc3414), each device must have a unique identifier. Each SNMP engine maintains a value, snmpEngineID, which uniquely identifies the SNMP engine.
Sometimes, users tend to set this ID to the same value for several devices. As a result, Zabbix is unable to successfully monitor those devices. To make things worse, each device responds nicely to commands such as snmpget or snmpwalk. These commands only talk to a single device at a time; hence, they do not care about snmpEngineID much.
In Zabbix, this could manifest as one device working properly but stopping when another one is added to monitoring.
If there ...
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