D-Link DGS-1224T - Web Smart Switch, Manual

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private - Allows authorized management stations to retrieve and
modify MIB objects.
Traps
Traps are messages that alert network personnel of events that occur
on the Switch. The events can be as serious as a reboot (someone
accidentally turned OFF the Switch), or less serious like a port
status change. The Switch generates traps and sends them to the
trap recipient (or network manager). Typical traps include trap
messages for Device boot up, Authentication Failure, Port status
change and Abnormal transmit/receive data packet error.
MIBs
Management and counter information are stored by the Switch in the
Management Information Base (MIB). The Switch uses the standard
MIB-II Management Information Base module. Consequently, values
for MIB objects can be retrieved from any SNMP-based network
management software. In addition to the standard MIB-II, the Switch
also supports its own proprietary enterprise MIB as an extended
Management Information Base. The proprietary MIB may also be
retrieved by specifying the MIB Object Identifier. MIB values can be
either read-only or read-write.
Enabled / Disabled: To selecting enable or disable SNMP function
on the Switch.