IEEE8021-AS-MIB :: ieee8021AsCurrentDSLastGmPhaseChangeHs

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › IEEE8021-AS-MIB › ieee8021AsCurrentDSLastGmPhaseChangeHs

ieee8021AsCurrentDSLastGmPhaseChangeHs

Module: IEEE8021-AS-MIB

OID (symbolic): IEEE8021-AS-MIB::ieee8021AsCurrentDSLastGmPhaseChangeHs

OID (numeric): 1.3.111.2.802.1.1.20.1.2.5

Node type: OBJECT-TYPE

Type: Integer32

Access: read-only

Description: The value (see 10.2.3.16) is the phase change that occurred on the most recent change in either grandmaster or gmTimeBaseIndicator (see 9.2.2.2).

This object MUST be read at the same time as ieee8021AsCurrentDSLastGmPhaseChangeMs, and ieee8021AsCurrentDSLastGmPhaseChangeLs, which represents middle and least significant 32 bits of values, respectively, in order for the read operation to succeed.

What is ieee8021AsCurrentDSLastGmPhaseChangeHs?

Most significant 32 bits of the phase (time) change recorded the last time the grandmaster or its time base changed; read together with the Ms and Ls parts. A nonzero jump here explains a sudden time discontinuity seen after a grandmaster failover.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.111.2.802.1.1.20.1.2.5
snmpwalk -v2c -c public <target> IEEE8021-AS-MIB::ieee8021AsCurrentDSLastGmPhaseChangeHs

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.111.2.802.1.1.20.1.2.5.1
snmpget -v2c -c public <target> IEEE8021-AS-MIB::ieee8021AsCurrentDSLastGmPhaseChangeHs.1

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OID Breakdown

Upper-level ancestors (3 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.111.2.802.1.1ieee802dot1mibsIEEE8021-TC-MIB
Numeric OIDNameModule
1.3.111.2.802.1.1.20ieee8021AsTimeSyncMibIEEE8021-AS-MIB
1.3.111.2.802.1.1.20.1ieee8021AsMIBObjectsIEEE8021-AS-MIB
1.3.111.2.802.1.1.20.1.2ieee8021AsCurrentDSIEEE8021-AS-MIB
1.3.111.2.802.1.1.20.1.2.5ieee8021AsCurrentDSLastGmPhaseChangeHsIEEE8021-AS-MIB