---
oid: "1.3.6.1.2.1.55.1.7.1.5"
short-description: "ipv6AddrPrefixAdvPreferredLifetime OBJECT-TYPE"
last-modified: "2017-04-20"
parent-oid: "1.3.6.1.2.1.55.1.7.1"
---

## OID: `1.3.6.1.2.1.55.1.7.1.5`

```asn1
{iso(1) identified-organization(3) dod(6) internet(1) mgmt(2) mib-2(1) ipv6MIB(55) ipv6MIBObjects(1) ipv6AddrPrefixTable(7) ipv6AddrPrefixEntry(1) ipv6AddrPrefixAdvPreferredLifetime(5)}
```

### Description

```asn1
ipv6AddrPrefixAdvPreferredLifetime OBJECT-TYPE
SYNTAX Unsigned32
UNITS "seconds"
MAX-ACCESS read-only
STATUS obsolete
DESCRIPTION
"It is the length of time in seconds that this prefix will remain preferred, i.e. time until deprecation. A value of 4,294,967,295 represents infinity.
The address generated from a deprecated prefix should no longer be used as a source address in new communications, but packets received on such an interface are processed as expected.
This object is obsoleted by IP-MIB::ipAddressPrefixAdvPreferredLifetime."
```

**Classification:** Deprecated or obsolete OID

### Supplementary information

Automatically extracted from IETF [RFC 8096](http://tools.ietf.org/html/rfc8096).

### Child OIDs

No child OID

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