HP 6120G/XG HP ProCurve Series 6120 Blade Switches Access Security Guide - Page 203
Timing Considerations
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RADIUS Authentication, Authorization, and Accounting Cached Reauthentication Syntax: [no] aaa authentication < secondary-method> Allows reauthentications to succeed when the RADIUS server is unavailable. Users already authenticated retain their currently-assigned session attributes. The primary methods for port-access authentication are local, chap-radius, or eap-radius. The primary method for web-based or mac-based authentica tion is chap-radius. The secondary methods can be none, authorized, or cached reauth. The default secondary authentication for all types of port access remains "none". Syntax: [no] aaa port-access cached-reauth-period [1-2147483647] Configures the period of time (in seconds) during which cached reauthentication is allowed on the port. Default: No limit is set. ProCurve(config)# aaa port-access web-based 6-8 cached-reauth-period 86400 The cached-reauth-period is set to 86400 seconds (1440 minutes, or 24 hours). Figure 5-12. Example of Configuring the Maximum Number of Consecutive Cached Reauthentications Timing Considerations The reauth period when the RADIUS server is unavailable is the configured reauth period plus an additional X seconds, where X can vary from 1 to approximately 30 seconds in most cases, depending on the number of RADIUS servers and other RADIUS parameters. This period of time can be more or less than 30 seconds if the default "server-timeout" values for 802.1X or Web/MAC 5-27
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