TIME-MIB

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Last Updated: 2002-02-14

Category: Time and NTP

Description: Manages system time configuration, synchronization source, and current clock values.

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What Is TIME-MIB?

TIME-MIB is a vendor-neutral, standards-oriented MIB module for managing a device's absolute time configuration, including its synchronization source and current clock value. It exposes objects covering the device's current time, its time source (e.g. manual, NTP, or another synchronization mechanism), and related configuration for keeping the local clock accurate. Its monitoring value is primarily around software/system status: confirming a device's clock is correctly synchronized is important because accurate timestamps underpin log correlation, certificate validity, scheduled jobs, and trap/event ordering across a network. It is a foundational, largely self-contained MIB with only light dependency on standard SNMP textual conventions, though it is conceptually related to protocols like NTP. It is typically deployed across any managed network equipment where verifying time synchronization accuracy is operationally important for troubleshooting and compliance. Engineers can download the TIME-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in TIME-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

vendor-neutral, standards-based MIB, not tied to a specific manufacturer
any SNMP-managed network device or host

Monitoring Examples

An administrator would poll the current time value and compare it against a trusted reference to detect clock drift, and check the configured synchronization source to confirm the device is actually pulling time from the intended NTP or time server rather than running on an unsynchronized local clock. A device reporting a stale or drifting time value despite a configured sync source would indicate a failed synchronization attempt worth investigating. No sample object names were available in the source excerpt, so object names are inferred from the module's stated purpose.

What Can Be Monitored

current device time
time synchronization source
clock drift/accuracy
time configuration/synchronization status

Imported Objects

From DLINK-ID-REC-MIB

dlink-common-mgmt

From SNMPv2-SMI

IpAddress
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

DateAndTime
DisplayString
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
swTimeMIB	1.3.6.1.4.1.171.12.10			equipments absolute time.
BIT swTimeCapacity	1.3.6.1.4.1.171.12.10.1	Bits	read-only	Indicates the time capacity supported in the system . If sntp bit is 1 , indicate the SNTP is supported else if sntp bit is 0, the SNTP is not supported and the subtree swSNTP will not supported also. If summerTime bit is 1 ,indicate the SummerTime is supported else if sntp bit is 0, the SummerTime is not supported and the subtree swSummerTime will not supported also. If realTimeClock bit is 1 , indicate the real time clock is supported else if the bit is 0, the real time clock is not supported .
DAT swCurrentClock	1.3.6.1.4.1.171.12.10.2	DateAndTime	read-write	The current local date and time for the system. Setting this object is equivalent to setting an automated clock and calendar. The value of the object will track the date and time from the value set. Note that due to hardware limitations some systems may not be able to preserve such meaning across reboots of the system, as indicated by swClockLostOnReboot. A constant value of all zeros and length 8 indicates the system is not aware of the present date and time. This object may be read-only on some systems.
T/F swClockLostOnReboot	1.3.6.1.4.1.171.12.10.3	TruthValue	read-only	Indication of whether the system can preserve knowledge of current date and time across a system reboot. A value of 'true' indicates the clock must be reset from some external source each time the system reboots. A value of 'false' indicates the system has the ability to keep time across reboots.
swSystemTime	1.3.6.1.4.1.171.12.10.10
STR swSystemCurrentTime	1.3.6.1.4.1.171.12.10.10.1	DisplayString	read-only	the mandatory network time was got from the SNTP server
STR swSystemUpTime	1.3.6.1.4.1.171.12.10.10.2	DisplayString	read-only	The time (in second) since the network management portion of the system was last re-initialized. It is the same as sysUptime.
STR swSystemBootTime	1.3.6.1.4.1.171.12.10.10.3	DisplayString	read-only	The boot time of the switch is equal to subtract systemUpTime from swSNTPCurrentTime
INT swSystemTimeZone	1.3.6.1.4.1.171.12.10.10.4	INTEGER	read-write	Local time offset in minutes from GMT.
swSNTP	1.3.6.1.4.1.171.12.10.11
INT swSNTPState	1.3.6.1.4.1.171.12.10.11.1	INTEGER	read-write	This object enable/disable the SNTP function.
INT swSNTPTimeSource	1.3.6.1.4.1.171.12.10.11.2	INTEGER	read-only	the SNTP server status for time source changing
IP swSNTPServer1IPAddr	1.3.6.1.4.1.171.12.10.11.3	IpAddress	read-write	Configure the SNTP server #1 IP address
IP swSNTPServer2IPAddr	1.3.6.1.4.1.171.12.10.11.4	IpAddress	read-write	Configure the SNTP server #2 IP address
INT swSNTPPollInterval	1.3.6.1.4.1.171.12.10.11.5	INTEGER	read-write	Update time in seconds from SNTP server.
swSummerTime	1.3.6.1.4.1.171.12.10.12
INT swSummerTimeStatus	1.3.6.1.4.1.171.12.10.12.1	INTEGER	read-write	An indication of whether the summertime feature is disabled or enabled in reprating or annual mode on this device. When this object is set to repeating,then the summertime frature is enabled and swSummerTimeOffset,swSummerTimeRepeatingStart ,swSummerTimeRepeatingEnd objects are work effectively . When this object is set to annual, then the summertime frature is enabled and swSummerTimeOffset, swAnnualSummerTimeStart, swAnnualSummerTimeEnd objects are work effectively.
INT swSummerTimeOffset	1.3.6.1.4.1.171.12.10.12.2	INTEGER	read-write	The value of this object indicates number of minutes to add or to subtract during summertime. This object is not instantiated when swSummerTimeStatus object is set to disable.
OCT swRepeatSummerTimeStart	1.3.6.1.4.1.171.12.10.12.3	OCTET STRING	read-write	Indicates summertime starts at this time every year. octets contents range 1 week 1..5,ff last = ff 2-3 day 1..7 where sunday = 1 saturday = 7 4 month 1..12 where january = 1 december = 12 5 hour 0..23 6 min 0..59 For example, the first Monday in Feb at 13:30pm should be given as 01 00 02 02 0e 1e For the last Tuesday in dec at 1:20am should be given as ff 00 03 0c 01 14 This object is not instantiated when swSummerTimeStatus object is not set to repeating.
OCT swRepeatSummerTimeEnd	1.3.6.1.4.1.171.12.10.12.4	OCTET STRING	read-write	Indicates summertime ends at this time every year. octets contents range 1 week 1..5,ff where ff = last 2-3 day 1..7 where sunday = 1 saturday = 7 4 month 1..12 where january = 1 december = 12 5 hour 0..23 6 min 0..59 For example, the third friday in February at 3:30am should be given as 03 00 06 02 03 1e For the first Tuesday in May at 1:20am should be given as 01 00 03 05 01 14 This object is not instantiated when swSummerTimeStatus object is not set to repeating.
OCT swAnnualSummerTimeStart	1.3.6.1.4.1.171.12.10.12.5	OCTET STRING	read-write	Indicates summertime starts at this time every year. octets contents range 1 monthDay 1..31, 2 month 1..12 where january = 1 december = 12 3 hour 0..23 4 min 0..59 For example, the first Feb at 13:30pm should be given as 01 02 0e 1e For the tenth dec at 1:20am should be given as ff 00 03 0c 01 14 This object is not instantiated when swSummerTimeStatus object is not set to annual.
OCT swAnnualSummerTimeEnd	1.3.6.1.4.1.171.12.10.12.6	OCTET STRING	read-write	Indicates summertime ends at this time every year. octets contents range 1 monthDay 1..31, 2 month 1..12 where january = 1 december = 12 3 hour 0..23 4 min 0..59 For example, the third February at 3:30am should be given as 03 02 03 1e For the first May at 1:20am should be given as 01 05 01 14 This object is not instantiated when swSummerTimeStatus object is not set to annual.
swTimeNotifPrefix	1.3.6.1.4.1.171.12.10.13

RFC description

Manages system time, SNTP configuration, and summer time settings on D-Link network devices.

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Download TIME-MIB

What Is TIME-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description