Portal Configuration Commands 373Parameterserver-name: Name of a Portal server. It is a string in the range of 1 to 32characters.DescriptionUse the portal command to enable the Portal authentication function on a VLANinterface.Use the undo portal command to disable this function.If the Portal runs in the Layer 3 Portal authentication method, you must configurean authentication section before enabling the Portal authentication function on aVLAN interface.When you enable the Portal authentication function on a VLAN interface, youmust first make sure that VLAN IDs are in the range of 2 to 4094, and the makesure that a valid IP address is configured for this VALN interface and that thespecified Portal server exists.Example# Enable the Portal authentication function on VLAN-interface 10. Specify 3Comas the Portal server.system-viewSystem View: return to User View with Ctrl+Z.[SW8800]interface Vlan-interface 10[3Com-Vlan-interface10] portal 3Comportal arp-handshake Syntaxportal arp-handshake { interval interval | retry-times retry-times }*undo portal arp-handshake { interval | retry-times }ViewSystem viewParameterinterval: Interval of ARP handshakes in seconds, in the range of 10 to 180. Its stepis 10. It is 60 seconds by default.retry-times: Maximum retry times of ARP packets, that is to say, the maximumtimes of permitted handshake failures. This value is in the range of three times to10 times. It is five times by default.DescriptionUse the portal arp-handshake command to configure the interval of handshakesbetween the portal server and the host and the maximum retry times.Use the undo portal arp-handshake command to restore the default value.When authentications are performed in the Direct method or ReDHCP method,the switch handshakes with the host through ARP packets after the host (user PC)has passed the Portal authentication. The switch sends ARP packets at the interval.
