302Name Number DescriptionUpLinkFlux 6 Uplink (output) traffic of the user, an 8-byte unsigned integer, in KB.DownLinkFlux 7 Downlink (input) traffic of the user, an 8-byte unsigned integer, in KB.Port 8 A string excluding the end character '\0'.IP-Config 9This attribute has different meanings in different types of packets.• The device uses this attribute in ACK _AUTH (Type=0x04)packets to notify the portal server that the user requires re-DHCP.• The device uses this attribute in ACK_LOGOUT (Type=0x06) andNTF_LOGOUT (Type=0x08) packets to indicate that the currentuser IP address must be released. The portal server must notifythe user to release the public IP address through DHCP. Thedevice will reallocate a private IP address to the user.BAS-IP 10 IP address of the access device. For re-DHCP portal authentication,the value of this attribute is the public IP address of the access device.Session-ID 11 Identification of a portal user. Generally, the value of this attribute is theMAC address of the portal user.Delay-Time 12 Delay time for sending a packet. This attributes exists inNTF_LOGOUT (Type=0x08) packets.User-List 13 List of IP addresses of an IPv4 portal user.EAP-Message 14An EAP attribute that needs to be transported transparently. Thisattribute is applicable to EAP TLS authentication. MultipleEAP-Message attributes can exist in a portal authentication packet.User-Notify 15 Value of the hw_User_Notify attribute in a RADIUS accountingresponse. This attribute needs to be transported transparently.BAS-IPv6 100 IPv6 address of the access device.UserIPv6-List 101 List of IPv6 addresses of an IPv6 portal user.Examples# Exclude the UpLinkFlux attribute (number 6) from portal ACK_AUTH packets. system-view[Sysname] portal server pts[Sysname-portal-server-pts] exclude-attribute 6 ack-authRelated commandsdisplay portal serverfree-traffic thresholdUse free-traffic threshold to specify the free-traffic threshold for portal users.Use undo free-traffic threshold to restore the default.Syntaxfree-traffic threshold valueundo free-traffic thresholdDefaultThe free-traffic threshold is 0 bytes.