Chapter 59 Access Control
XGS4600 Series User’s Guide
547
Encryption protects the contents of the SNMP messages. When the contents of the SNMP messages are
encrypted, only the intended recipients can read them.
Supported MIBs
A MIB is a collection of managed objects that is organized according to hierarchy. The objects define
the attributes of the managed device, which includes the names, status, access rights, and data types.
Each object can be addressed through an object identifier (OID). An OID that begins with
“1.3.6.1.4.1.890.1.15” is a Zyxel-defined private MIB. Otherwise, it is a standard MIB OID.
MIBs let administrators collect statistics and monitor status and performance. The Switch uses both
standard public (RFC-defined) MIBs for standard functionality, and private MIBs that support additional
Switch functionality. Private MIBs contain Switch specific managed objects.
To view a list of standard MIBs supported by your Switch, see the product datasheet at www.zyxel.com
(Support > Download Library > Datasheet).
To get the private MIBs supported by your Switch, download (and unzip) the correct model MIB from
www.zyxel.com (Support > Download Library > MIB File).
SNMP Traps
The Switch sends traps to an SNMP manager when an event occurs. The following tables outline the
SNMP traps by category.
Table 266 SNMP System Traps
OPTION OBJECT LABEL OBJECT ID DESCRIPTION
coldstart coldStart 1.3.6.1.6.3.1.1.5.1 This trap is sent when the Switch is turned on.
warmstart warmStart 1.3.6.1.6.3.1.1.5.2 This trap is sent when the Switch restarts.
fanspeed zyHwMonitorFanSpeedOutOfR
ange
1.3.6.1.4.1.890.1.15
.3.26.2.1
This trap is sent when the fan speed goes
above or below the normal operating
range.
zyHwMonitorFANSpeedOutOfR
angeRecovered
1.3.6.1.4.1.890.1.15
.3.26.2.6
This trap is sent when the fan speed is
recovered from the out of range to normal
operating range.
temperature zyHwMonitorTemperatureOut
OfRange
1.3.6.1.4.1.890.1.15
.3.26.2.2
This trap is sent when the temperature goes
above or below the normal operating
range.
zyHwMonitorTemperatureOut
OfRangeRecovered
1.3.6.1.4.1.890.1.15
.3.26.2.7
This trap is sent when the temperature is
recovered from the out of range to normal
operating range.
voltage zyHwMonitorPowerSupplyVolt
ageOutOfRange
1.3.6.1.4.1.890.1.15
.3.26.2.3
This trap is sent when the voltage goes
above or below the normal operating
range.
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