---
oid: "1.3.6.1.2.1.49"
short-description: "tcpMIB MODULE-IDENTITY"
last-modified: "2025-11-26"
parent-oid: "1.3.6.1.2.1"
---

## OID: `1.3.6.1.2.1.49`

```asn1
{iso(1) identified-organization(3) dod(6) internet(1) mgmt(2) mib-2(1) tcpMIB(49)}
```

### Description

```asn1
tcpMIB MODULE-IDENTITY
LAST-UPDATED "200502180000Z" -- 18 February 2005
ORGANIZATION "IETF IPv6 MIB Revision Team
https://datatracker.ietf.org/wg/ipv6/about/"
CONTACT-INFO
"Rajiv Raghunarayan (editor)
Cisco Systems Inc.
170 West Tasman Drive
San Jose, CA 95134
Phone: +1 408 853 9612
Email: <raraghun@cisco.com>
Send comments to <ipv6@ietf.org>"
DESCRIPTION
"The MIB module for managing TCP implementations.
Copyright (C) The Internet Society (2005). This version of this MIB module is a part of RFC 4022; see the RFC itself for full legal notices."
REVISION "200502180000Z" -- 18 February 2005
DESCRIPTION
"IP version neutral revision, published as RFC 4022."
REVISION "9411010000Z"
DESCRIPTION
"Initial SMIv2 version, published as RFC 2012."
REVISION "9103310000Z"
DESCRIPTION
"The initial revision of this MIB module was part of MIB-II."
```

**Classification:** MIB object for network management; Module in a given formal language

### Supplementary information

Automatically extracted from IETF [RFC 4022](https://www.rfc-editor.org/rfc/rfc4022.html).

### Child OIDs

- `1.3.6.1.2.1.49.2`: `tcpMIBConformance(2)`

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**Note to implementers:**: The OID repository is constantly updated but does not necessarily store the latest (or most accurate) version of this formal description. For an implementation, it is recommended to search the web for a more recent description. If this is the case, please update the above description.