---
oid: "1.3.6.1.4.1.1139.1.4.4"
asn1-notation: "{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 1139 emcSymmetrix(1) agentAdministration(4) periodicDiscoveryFrequency(4)}"
description: "periodicDiscoveryFrequency OBJECT-TYPE"
classification: "MIB object for network management"
last-modified: "2021-02-02"
---

## OID : `1.3.6.1.4.1.1139.1.4.4`

```asn1
{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 1139 emcSymmetrix(1) agentAdministration(4) periodicDiscoveryFrequency(4)}
```

### Description

```asn1
periodicDiscoveryFrequency OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-write
STATUS mandatory
DESCRIPTION
"Indicates how often the Discovery thread should rebuild the table of attached Symmetrixes, adding new ones, and removing old ones. Any changes between the new table and the previous table will generate a trap (Trap 4) to all registered trap clients.
Initialize at startup from a separate 'config' file.
Recommended default is 3600 seconds (1 hour). A value less than 60 will disable the thread. Minimum frequency is 60 seconds."
```

**Classification**: MIB object for network management

### Child OIDs

No child OID

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