By Edwin Lyle Brown
Written to entice a extensive viewers, 802.1X Port-Based Authentication seeks to outline this complicated thought in available phrases and to discover its quite a few purposes to contemporary machine networks utilizing this actual community protocol. this article assumes that the reader can have very little earlier wisdom and just a common realizing of laptop networking, proposing an introductory assessment in addition to an issue assessment in every one bankruptcy. It presents an in-depth dialogue of expertise, layout, and implementation with a particular specialize in Cisco units. together with examples derived from the 802.1X implementation, this booklet additionally addresses troubleshooting concerns in a Cisco atmosphere.
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Extra info for 802.1X Port-Based Network Access Authentification
1X allow a pre-Supplicant to obtain an IP address and then contact a device, probably a TFTP server, that would then download an Operating System or a conﬁguration ﬁle. 1X does not allow this. Trafﬁc is controlled and the control parameter can be modiﬁed to allow “Wakeon-LAN” trafﬁc from the network to the device. Only ASF-Alert trafﬁc is allowed from a non-authenticated Supplicant, and even this trafﬁc must be encapsulated in EAPOL. At least that is the current situation. 1X capabilities in their chipset.
1X tracks signiﬁcantly, but do not change the fundamental processes previously established. That is kind of an oxymoron because if AU4464—CHAPTER 1—27/10/2006—19:38—MAHESWARI—15575—XML MODEL C – pp. 1X Port-Based Authentication they did change the process, then they would no longer be revisions. They would be new standards. 1X-2004, does not spend much more verbiage describing the basics than the 2001 document does. It does have a number of pages devoted to clarifying functions and also includes several new areas of discussion.
A huge portion of the document is devoted to a discussion of how management of ports and the management process occurs. The Management Information Base (MIB) is covered in detail. Where three pages were dedicated to the subject of management in the 2001 document, almost sixty pages (roughly one third of the entire document) are dedicated to the subject in the 2004 version. 1X Maintenance. This document is currently in draft status. Another signiﬁcant addition to the 2004 IEEE document is an annex that describes the use of RADIUS.
802.1X Port-Based Network Access Authentification by Edwin Lyle Brown