---
oid: "1.3.6.1.4.1.838.1.4.1.9"
asn1-notation: "{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 838 agentConfig(1) trapTable(4) trapEntry(1) trapAuthKey(9)}"
description: "trapAuthKey OBJECT-TYPE"
classification: "MIB object for network management"
last-modified: "2019-01-10"
---

## OID : `1.3.6.1.4.1.838.1.4.1.9`

```asn1
{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 838 agentConfig(1) trapTable(4) trapEntry(1) trapAuthKey(9)}
```

### Description

```asn1
trapAuthKey OBJECT-TYPE
SYNTAX OCTET STRING (SIZE ( 0 | 16 | 20))
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The authentication key used for SNMPv3. Use 16 bytes for MD5 keys
and 20 bytes for SHA keys. Typically, when this object is read, a
zero length value is returned, and setting the key to a zero length
string has no affect on the key value. The contents of the key can
be viewed if the top level agent option 'displaySecretKeys'is set."
DEFVAL { ''H }
```

**Classification**: MIB object for network management

### Child OIDs

No child OID

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