All MIBs › ADN-MIB › adnChassisPrimaryMSC8kSourceIfIndex
adnChassisPrimaryMSC8kSourceIfIndex
Module: ADN-MIB
OID (symbolic): ADN-MIB::adnChassisPrimaryMSC8kSourceIfIndex
OID (numeric): 1.3.6.1.4.1.637.3.1.5.15.1.1.7
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: This variable identifies the master line timing source . In spite of the name, which is like this for historical reasons, the line timing source can be MSC (Medium Speed Coupler) 8kHz, PDH HSC (High Speed Coupler) or SDH HSC line timing source. The value of this object corresponds to the ifIndex of the line which provides the source. The value 0 is used when there is no master line timing source located on the chassis.
What is adnChassisPrimaryMSC8kSourceIfIndex?
ADN-MIB::adnChassisPrimaryMSC8kSourceIfIndex is a read-only INTEGER that identifies the interface index of the primary master line timing source (despite the historical name, it can be a DS1, E1, or HSC line providing 8 kHz clock reference). Engineers use this to find which physical interface the entire system's primary clock is synchronized to. For example, if this value is 5, interface ifIndex 5 is the primary line supplying the 8 kHz master clock that synchronizes all system timing.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.637.3.1.5.15.1.1.7 snmpwalk -v2c -c public <target> ADN-MIB::adnChassisPrimaryMSC8kSourceIfIndex
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.637.3.1.5.15.1.1.7.1 snmpget -v2c -c public <target> ADN-MIB::adnChassisPrimaryMSC8kSourceIfIndex.1
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OID Breakdown
Upper-level ancestors (6 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.637 | alcatel | ADN-MIB |
| 1.3.6.1.4.1.637.3 | adn | ADN-MIB |
| 1.3.6.1.4.1.637.3.1 | adnMIB | ADN-MIB |
| 1.3.6.1.4.1.637.3.1.5 | adnProprietary | ADN-MIB |
| 1.3.6.1.4.1.637.3.1.5.15 | adnNodeSupervisionMIB | ADN-MIB |
| 1.3.6.1.4.1.637.3.1.5.15.1 | adnChassisTable | ADN-MIB |
| 1.3.6.1.4.1.637.3.1.5.15.1.1 | adnChassisEntry | ADN-MIB |
| 1.3.6.1.4.1.637.3.1.5.15.1.1.7 | adnChassisPrimaryMSC8kSourceIfIndex | ADN-MIB |