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华为Radius认证、计费报文入门
Radius报文中，code＝1是认证请求报文，code＝2和code＝3分别是认证通过和认证失败报文，这三种报文只在用户上线时产生。在用户上网的漫长过程中，是依靠code＝4报文来维系计费和用户在线信息。下文结合S3526和huawei-3com自带的radius属性简要介绍一下code＝4和与之相关的code＝5报文。
关于radius里面code＝4和code＝5的报文： code＝4：计费请求，由客户端发出（一般是配置了radius的交换机或5200） code＝5：计费回应。由radius服务器发出（cams发） 开始计费和结束计费是由code＝4里面的属性Acct-Status-Type(40)来决定的。 1、Start （计费开始） 2、Stop （计费结束） 3、Interium-Update（计费更新） 4、Reset-Charge 7、Accounting-On（3GPP中有定义，我们cams支持，设备现在不支持） 8、Accounting-Off （3GPP中有定义，我们cams支持，设备现在不支持） 9-14、Reserved for Tunnel Accounting 15、Reserved for Failed 其中Reset-Charge (Value=4)报文类型是针对华为扩展Radius 定义的。 我们主要看1、2、3三个属性，后面的属性暂时看不到。 以下是在cams中一个完整的上线、计费、更新、下线信息的分析： （10。153。29。200是S3526。中间的更新报文是从其他地方截取的，部分时间和流量参数不准确） % 2004-04-28 11:28:38 ; [L_DEBUG (4)] ; LAN ; huawei ; 1 ; 03f44e0b-4542-464c-96aa-c15b39928ada ; (null) ; RT[0]: Receive message from 10.153.29.200: CODE = 1. ID = 0. ATTRIBUTES: User-Name(1) = "huawei". CHAP-Password(3) = "_?-?d?????_?D". CHAP-Challenge(60) = "?_k_?h????e?\?G?". NAS-IP-Address(4) = 177806792. （十进制，转换成二进制就是10.153.29.200） NAS-Identifier(32) = "Quidway". NAS-Port(5) = 28673. NAS-Port-Id(87) = "slot=0;subslot=0;port=7;vlanid=1". NAS-Port-Type(61) = 15. Service-Type(6) = 2. Framed-Protocol(7) = 1. Calling-Station-Id(31) = "000c-f1a2-ddce". Framed-IP-Address(8) = 2852053299. (十进制，换成二进制是认证未通过前pc的地址：169.254.225.51，认证通过后，pc通过dhcp获得新的地址，见下文) hw_Connect_ID(26) = 72. hw_Product_ID(255) = "S3526". hw_IP_Host_Addr(60) = "169.254.225.51 00:0c:f1:a2:dd:ce". hw_Nas_Startup_Timetamp(59) = 1082022357. % 2004-04-28 11:28:38 ; [L_DEBUG (4)] ; LAN ; huawei ; 2 ; 03f44e0b-4542-464c-96aa-c15b39928ada ; 24 ; Send message attribut list: Code = 2 ID = 0 ATTRIBUTES: Service_Type(6) = 2 State(24) = 24 Termination-Action(29) = 0 Session-Timeout(27) = 86400 hw-Connect-Id(26) = 72 //认证通过 % 2004-04-28 11:28:38 ; [L_DEBUG (4)] ; LAN ; huawei ; 4 ; 36d754e8-3156-427c-8385-726e3cec5dc3 ; (null) ; RT[1]: Receive message from 10.153.29.200: CODE = 4. ID = 0. ATTRIBUTES: User-Name(1) = "huawei". NAS-Identifier(32) = "Quidway". NAS-Port(5) = 28673. NAS-Port-Id(87) = "slot=0;subslot=0;port=7;vlanid=1". NAS-Port-Type(61) = 15. Calling-Station-Id(31) = "000c-f1a2-ddce". Acct-Status-Type(40) = 1. Acct-Authentic(45) = 1. Acct-Session-Id(44) = "1040328122523". Framed-IP-Address(8) = 2852053299.（还未更新） NAS-IP-Address(4) = 177806792. Event-Timestamp(55) = 1083155129. hw_Connect_ID(26) = 72. hw_Input_Peak_Rate(1) = 0. hw_Input_Average_Rate(2) = 0. hw_Output_Peak_Rate(4) = 0. hw_Output_Average_Rate(5) = 0. hw_Priority(22) = 0. hw_IP_Host_Addr(60) = "169.254.225.51 00:0c:f1:a2:dd:ce". % 2004-04-28 11:28:38 ; [L_DEBUG (4)] ; LAN ; huawei ; 5 ; 36d754e8-3156-427c-8385-726e3cec5dc3 ; 24 ; Send message attribut list: Code = 5 ID = 0 ATTRIBUTES: hw-Connect-Id(26) = 72 //开始计费 % 2004-04-28 12:09:59 ; [L_DEBUG (4)] ; LAN ; huawei ; 4 ; b90d16c2-534d-48f6-9fa6-64683e9e1bff ; (null) ; RT[1]: Receive message from 10.153.29.200: CODE = 4. ID = 4. ATTRIBUTES: User-Name(1) = "huawei". NAS-Identifier(32) = "Quidway". NAS-Port(5) = 28673. NAS-Port-Id(87) = "slot=0;subslot=0;port=7;vlanid=1". NAS-Port-Type(61) = 15. Calling-Station-Id(31) = "000c-f1a2-ddce". Acct-Status-Type(40) = 3. Acct-Authentic(45) = 1. Acct-Session-Id(44) = "1040328124124". Framed-IP-Address(8) = 177806593. （pc的ip地址更新为10.153.29.1） NAS-IP-Address(4) = 177806792. Event-Timestamp(55) = 1083157610. Acct-Session-Time(46) = 1502. Acct-Delay-Time(41) = 1. Acct-Input-Octets(42) = 1289458275. Acct-Input-Packets(47) = 3211985. Acct-Output-Octets(43) = 1704920353. Acct-Output-Packets(48) = 6898795. Acct-Input-Gigawords(52) = 0. Acct-Output-Gigawords(53) = 0. hw_Connect_ID(26) = 72. hw_Input_Peak_Rate(1) = 0. hw_Input_Average_Rate(2) = 0. hw_Output_Peak_Rate(4) = 0. hw_Output_Average_Rate(5) = 0. hw_Priority(22) = 0. hw_IP_Host_Addr(60) = "10.153.29.1 00:0c:f1:a2:dd:ce". % 2004-04-28 12:09:59 ; [L_DEBUG (4)] ; LAN ; huawei ; 5 ; b90d16c2-534d-48f6-9fa6-64683e9e1bff ; 25 ; Send message attribut list: Code = 5 ID = 4 ATTRIBUTES: Session-Timeout(27) = 84898 hw-Connect-Id(26) = 72 //计费更新 % 2004-04-28 12:29:00 ; [L_DEBUG (4)] ; LAN ; huawei ; 4 ; 18c19784-bd78-4bb4-b8a2-1416070da8f3 ; (null) ; RT[1]: Receive message from 10.153.29.200: CODE = 4. ID = 6. ATTRIBUTES: User-Name(1) = "huawei". NAS-Identifier(32) = "Quidway". NAS-Port(5) = 28673. NAS-Port-Id(87) = "slot=0;subslot=0;port=7;vlanid=1". NAS-Port-Type(61) = 15. Calling-Station-Id(31) = "000c-f1a2-ddce". Acct-Status-Type(40) = 2. Acct-Authentic(45) = 1. Acct-Session-Id(44) = "1040328122523". Framed-IP-Address(8) = 177806593. NAS-IP-Address(4) = 177806792. Event-Timestamp(55) = 1083155150. Acct-Session-Time(46) = 2112. Acct-Delay-Time(41) = 0. Acct-Input-Octets(42) = 1288900009. Acct-Input-Packets(47) = 3204430. Acct-Output-Octets(43) = 1697272686. Acct-Output-Packets(48) = 6874089. Acct-Input-Gigawords(52) = 0. Acct-Output-Gigawords(53) = 0. Acct-Terminate-Cause(49) = 1. hw_Connect_ID(26) = 72. hw_Input_Peak_Rate(1) = 0. hw_Input_Average_Rate(2) = 0. hw_Output_Peak_Rate(4) = 0. hw_Output_Average_Rate(5) = 0. hw_Priority(22) = 0. hw_IP_Host_Addr(60) = "169.254.225.51 00:0c:f1:a2:dd:ce". % 2004-04-28 12:29:00 ; [L_DEBUG (4)] ; LAN ; huawei ; 5 ; 18c19784-bd78-4bb4-b8a2-1416070da8f3 ; 24 ; Send message attribut list: Code = 5 ID = 6 ATTRIBUTES: hw-Connect-Id(26) = 72 //用户下线，计费结束。 第 页 责任编辑:admin
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