Operation Manual – 802.1x and System GuardH3C S5600 Series Ethernet Switches Chapter 1 802.1x Configuration1-20Note:z As for the dot1x max-user command, if you execute it in system view withoutspecifying the interface-list argument, the command applies to all ports. You canalso use this command in port view. In this case, this command applies to thecurrent port only and the interface-list argument is not needed.z As for the configuration of 802.1x timers, the default values are recommended.1.4 Advanced 802.1x ConfigurationAdvanced 802.1x configurations, as listed below, are all optional.z Configuration concerning CAMS, including multiple network adapters detecting,proxy detecting, and so on.z Client version checking configurationz DHCP–triggered authenticationz Guest VLAN configurationz 802.1x re-authentication configurationz Configuration of the 802.1x re-authentication timerYou need to configure basic 802.1x functions before configuring the above 802.1xfeatures.1.4.1 Configuring Proxy CheckingFollow these steps to configure proxy checking:To do... Use the command... RemarksEnter system view system-view —Enable proxy checkingfunction globallydot1xsupp-proxy-check{ logoff | trap }RequiredBy default, the 802.1xproxy checking function isglobally disabled.In systemviewdot1xsupp-proxy-check{ logoff | trap }[ interfaceinterface-list ]interfaceinterface-typeinterface-numberEnable proxychecking for aport/specifiedportsIn portviewdot1xsupp-proxy-check{ logoff | trap }RequiredBy default, the 802.1xproxy checking is disabledon a port.