Network Access Control and 802.1X -- Advantages, Constraints, and Capabilities
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Overview: This whitepaper by Spire Security explains the advantages, disadvantages and limitations of 802.1x as it relates to network access control (NAC). In practice, 802.1x has proven to be costly and cumbersome to roll-out, particularly for large organizations. Furthermore, 802.1x does not include or address many important features of a full-blown NAC system. This whitepaper includes a case study of a large U.S. defense agency that tried rolling out 802.1x and then, after discovering significant implementation challenges, turned to ForeScout CounterACT as a better alternative.