228 CHAPTER 25: 802.1X CONFIGURATIONhandshake-period: This timer begins after the user has passed theauthentication. After setting handshake-period, system will send the handshakepacket by the period. Suppose the dot1x retry time is configured as N, the systemwill consider the user having logged off and set the user as logoff state if systemdoesn’t receive the response from user for consecutive N times.handshake-period-value: Handshake period. The value ranges from 1 to 1024 inunits of second and defaults to 30.quiet-period: Specifies the quiet timer. If an 802.1x user has not passed theauthentication, the Authenticator will keep quiet for a while (which is specified byquiet-period timer) before launching the authentication again. During the quietperiod, the Authenticator does not do anything related to 802.1x authentication.quiet-period-value: Specifies how long the quiet period is. The value ranges from10 to 120 in units of second and defaults to 60.server-timeout: Specifies the timeout timer of an Authentication Server. If anAuthentication Server has not responded before the specified period expires, theAuthenticator will resend the authentication request.server-timeout-value: Specifies how long the duration of a timeout timer of anAuthentication Server is. The value ranges from 100 to 300 in units of second anddefaults to 100 seconds.supp-timeout: Specifies the authentication timeout timer of a Supplicant. Afterthe Authenticator sends Request/Challenge request packet which requests theMD5 encrypted text, the supp-timeout timer of the Authenticator begins to run. Ifthe Supplicant does not respond back successfully within the time range set bythis timer, the Authenticator will resend the above packet.supp-timeout-value: Specifies how long the duration of an authentication timeouttimer of a Supplicant is. The value ranges from 10 to 120 in units of second anddefaults to 30.tx-period: Has two major effects, which are described in detail in the followingsection.■ Specifies the transmission timeout timer. After the Authenticator sends theRequest/Identity request packet which requests the user name or user nameand password together, the tx-period timer of the Authenticator begins to run.If the Supplicant does not respond back with authentication reply packetsuccessfully, then the Authenticator will resend the authentication requestpacket.Table 193 Configure 802.1x timersOperation CommandConfigure timersdot1x timer { handshake-period handshake-period-value |quiet-period quiet-period-value | tx-period tx-period-value |supp-timeout supp-timeout-value | server-timeoutserver-timeout-value }Restore default settings ofthe timersundo dot1x timer { handshake-period | quiet-period |tx-period | supp-timeout | server-timeout }
