---
oid: "1.3.6.1.4.1.2158.2.3.1.5.3"
short-description: "salixSysSyncSecondaryRef OBJECT-TYPE"
last-modified: "2022-12-15"
parent-oid: "1.3.6.1.4.1.2158.2.3.1.5"
---

## OID: `1.3.6.1.4.1.2158.2.3.1.5.3`

```asn1
{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 2158 salixGeneric(2) salixSystemMIB(3) salixSystemMIBObjects(1) salixSystemSync(5) salixSysSyncSecondaryRef(3)}
```

### Description

```asn1
salixSysSyncSecondaryRef OBJECT-TYPE
SYNTAX InterfaceIndex
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The interface index of the secondary reference line from which the sync module can derive timing. If the 'salixSysSyncTimingMode' is set to 'line' then this interface index should identify a physical line termination point.
If the 'salixSysSyncTimingMode' is set to 'external' then this interface index should identify an external timing interface.
The secondary reference line is only used if the salixSysSyncTimingMode is set to 'line' or 'external' and the primary reference line identified by 'salixSysSyncPrimaryRef' has an oper status of 'down'."
```

**Classification:** MIB object for network management

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