IEEE 802.1X-2001
IEEE Standard for Port Based Network Access Control
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About This Item
IEEE 802.1X-2001 is a port-based network access control standard that defines how devices can be authenticated before they are allowed onto a communications network. Rooted in the Communication, Networking and Broadcast Technologies domain, it helps establish controlled access at the network edge, which is important for limiting unauthorized connections and supporting consistent access policies. As a superseded technical document, it remains relevant for understanding early 802.1X requirements and deployment decisions.
IEEE 802.1X-2001 overview
This standard focuses on network access control at the port level, typically where a client device connects through a switch, bridge, or similar access point. IEEE 802.1X-2001 describes the framework used to verify identity before granting network access, helping separate trusted from untrusted endpoints. In practical terms, it supports controlled admission to wired network infrastructure and provides a basis for access policy enforcement in managed communication environments. It is especially useful when reviewing legacy specifications or comparing historical implementations.
Typical use cases
IEEE 802.1X-2001 is commonly associated with enterprise wired networks, secure office access ports, and managed environments where only approved devices should connect. It may be used alongside authentication systems that validate users or endpoints before network service begins. The standard is also relevant when evaluating switch configurations, access layer deployments, and compliance requirements for controlled network entry. In procurement and integration work, IEEE 802.1X-2001 helps define what access behavior should be expected from compatible equipment.
Why this standard matters
This standard matters because access control is a practical part of network security and operational consistency. By defining port-based admission behavior, IEEE 802.1X-2001 supports clearer design requirements, repeatable testing, and better control over who or what can connect. For organizations maintaining legacy systems, it can help with specification review, equipment matching, and risk reduction during upgrades or replacements. It also provides a stable reference point for documenting access policies in communication network installations.
- Port-based access control framework
- Network admission before connection use
- Relevant to wired access layer equipment
- Useful for legacy compliance review
- Supports controlled network deployment
- Publication Date: 2001
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Communication, Networking and Broadcast Technologies
- Official IEEE: Doi link
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