---
oid: "1.3.6.1.2.1.2.2.1.1"
asn1-notation: "{iso(1) identified-organization(3) dod(6) internet(1) mgmt(2) mib-2(1) interfaces(2) ifTable(2) ifEntry(1) ifIndex(1)}"
description: "ifIndex OBJECT-TYPE"
last-modified: "2025-06-27"
tags: [oid-repository]
---

## OID: `1.3.6.1.2.1.2.2.1.1`

```asn1
{iso(1) identified-organization(3) dod(6) internet(1) mgmt(2) mib-2(1) interfaces(2) ifTable(2) ifEntry(1) ifIndex(1)}
```

### Description

```asn1
ifIndex OBJECT-TYPE
SYNTAX InterfaceIndex
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A unique value, greater than zero, for each interface. It is recommended that values are assigned contiguously starting from 1. The value for each interface sub-layer must remain constant at least from one re-initialization of the entity's network management system to the next re-initialization."

**Classification**: MIB object for network management

### Supplementary information

Automatically extracted from IETF [RFC 2863](https://www.rfc-editor.org/rfc/rfc2863.html).

### Child OIDs

This is a [leaf OID](https://oid-base.com/faq.htm#leaf) (without child OIDs).

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