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ID:43091896
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页数:32页
时间:2019-09-26
《PPPOE拨号报文分析》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、PPPoE(PPPOverEthernet)协议是在点到点链路上承载网络层数据包的一种链路层协议,由于它能够提供用户验证、易于扩充,并且支持同/异步通信,因而获得广泛应用ClientPPPoE主要协议标准:RFC2516ServerPADIPPPoEDiscovery阶段4ADOPADRLCP协奁4PADSIfigurationRequestm2、C^ntlgurattonAc附忖ak'RejectayC^nflgurattonAc附忖ak'Reject»PPPoESessionP认证PAuthenti3、cation-RequefUa”RADIUSAcc«ss-Reques>《RADIUSAccess-Accept——Ihentkzattoft-Ack4、IPCP协奁onfigurattonRequest”5、型值为0x8863。82■54:93:59:9C:BC:9E^StrandLighting:29:00:536425.281848PPPoEDiscovery83■54:93:59:9C:BC:9E■EthernetBroadcast6425.313386PPPoEDiscovery84■54:93:59:9C:BC:9E^EthernetBroadcast6425.313403PPPoEDiscovery85■StrandLighting:29:00:53■54:93:59:9C:BC:9E6425.315508PPPoEDiscovery6、86lp54:93:S9:9C:BC:9E■StrandLighting:29:00:536425.316662PPPoEDiscovery87^StrandLighting:29:00:53V54:93:59:9C:BC:9E6425.321302PPPoEDiscovery“图・PPPoEDiscovery交互示意图”2.1.1.PADI(ActiveDiscoveryInitiation)用户主机发出有效发现初始包(PADI)o以太网目的地址为广播地址(FF:FF:FF汗F:FF:FF),CODE字段为0X09,SESSION_ID为07、X0000。子PacketInfo®PacketNmofcier:••…®Flags:…®Status:••…®PacketLength:®Timestamp:□丁EthetnetHead巳i?勢Destination:須Source:®ProtocolType:白子PPPo廿ei?Etheimet®Version:®Type:®Code:®SessionId:®Length:丁Typ巳-Length-ValueTag®TagType:®TagLength:白子Typ巳一Length-ValueTag朴2®TagType:®TagLength8、:®TagValue:白丁Extrabytes®Hunijerofbytes:#1830x000000000x000000006422:13:47-59737270008/03/2016FF:FF:FF:FF:FF:FFEthernetBroadcast54:93:59:9C:BC:9E0x8863PPPoEDiscovery110x09ActiveDiscoveryInitiation0120x0101ServiceName00x0103HostUnique4(4bytes)(28bytes)0xC0A139D0Calculated〒FCS9、-FrameCheckSequence:®FCS:“图・PADI详细报文”2.1.2.PADO(ActiveDiscoveryOffer)接入设备收到在服务范围内的PADI包后,发送有效发现提供包(PADO)以响应请求。其CODE字段为0X07,SESSION_ID为0X00000PADO包必须包含一个接入设备名称类型(A0xC0A139D0Calculated〒FCS-FrameCheckSequence:®FCS:“图・PADI详细报文”2.1.1.PADO(ActiveDiscoveryOffer)接入设备收到在服务范围内的PADI包后10、,发送有效发现提供包(PADO)以响应请求。其CODE字段为0X07,SESSION_ID为0X00000PADO包必须包含一个接入设备名称类型(AC-Name)的
2、C^ntlgurattonAc附忖ak'RejectayC^nflgurattonAc附忖ak'Reject»PPPoESessionP认证PAuthenti
3、cation-RequefUa”RADIUSAcc«ss-Reques>《RADIUSAccess-Accept——Ihentkzattoft-Ack
4、IPCP协奁onfigurattonRequest”5、型值为0x8863。82■54:93:59:9C:BC:9E^StrandLighting:29:00:536425.281848PPPoEDiscovery83■54:93:59:9C:BC:9E■EthernetBroadcast6425.313386PPPoEDiscovery84■54:93:59:9C:BC:9E^EthernetBroadcast6425.313403PPPoEDiscovery85■StrandLighting:29:00:53■54:93:59:9C:BC:9E6425.315508PPPoEDiscovery6、86lp54:93:S9:9C:BC:9E■StrandLighting:29:00:536425.316662PPPoEDiscovery87^StrandLighting:29:00:53V54:93:59:9C:BC:9E6425.321302PPPoEDiscovery“图・PPPoEDiscovery交互示意图”2.1.1.PADI(ActiveDiscoveryInitiation)用户主机发出有效发现初始包(PADI)o以太网目的地址为广播地址(FF:FF:FF汗F:FF:FF),CODE字段为0X09,SESSION_ID为07、X0000。子PacketInfo®PacketNmofcier:••…®Flags:…®Status:••…®PacketLength:®Timestamp:□丁EthetnetHead巳i?勢Destination:須Source:®ProtocolType:白子PPPo廿ei?Etheimet®Version:®Type:®Code:®SessionId:®Length:丁Typ巳-Length-ValueTag®TagType:®TagLength:白子Typ巳一Length-ValueTag朴2®TagType:®TagLength8、:®TagValue:白丁Extrabytes®Hunijerofbytes:#1830x000000000x000000006422:13:47-59737270008/03/2016FF:FF:FF:FF:FF:FFEthernetBroadcast54:93:59:9C:BC:9E0x8863PPPoEDiscovery110x09ActiveDiscoveryInitiation0120x0101ServiceName00x0103HostUnique4(4bytes)(28bytes)0xC0A139D0Calculated〒FCS9、-FrameCheckSequence:®FCS:“图・PADI详细报文”2.1.2.PADO(ActiveDiscoveryOffer)接入设备收到在服务范围内的PADI包后,发送有效发现提供包(PADO)以响应请求。其CODE字段为0X07,SESSION_ID为0X00000PADO包必须包含一个接入设备名称类型(A0xC0A139D0Calculated〒FCS-FrameCheckSequence:®FCS:“图・PADI详细报文”2.1.1.PADO(ActiveDiscoveryOffer)接入设备收到在服务范围内的PADI包后10、,发送有效发现提供包(PADO)以响应请求。其CODE字段为0X07,SESSION_ID为0X00000PADO包必须包含一个接入设备名称类型(AC-Name)的
5、型值为0x8863。82■54:93:59:9C:BC:9E^StrandLighting:29:00:536425.281848PPPoEDiscovery83■54:93:59:9C:BC:9E■EthernetBroadcast6425.313386PPPoEDiscovery84■54:93:59:9C:BC:9E^EthernetBroadcast6425.313403PPPoEDiscovery85■StrandLighting:29:00:53■54:93:59:9C:BC:9E6425.315508PPPoEDiscovery
6、86lp54:93:S9:9C:BC:9E■StrandLighting:29:00:536425.316662PPPoEDiscovery87^StrandLighting:29:00:53V54:93:59:9C:BC:9E6425.321302PPPoEDiscovery“图・PPPoEDiscovery交互示意图”2.1.1.PADI(ActiveDiscoveryInitiation)用户主机发出有效发现初始包(PADI)o以太网目的地址为广播地址(FF:FF:FF汗F:FF:FF),CODE字段为0X09,SESSION_ID为0
7、X0000。子PacketInfo®PacketNmofcier:••…®Flags:…®Status:••…®PacketLength:®Timestamp:□丁EthetnetHead巳i?勢Destination:須Source:®ProtocolType:白子PPPo廿ei?Etheimet®Version:®Type:®Code:®SessionId:®Length:丁Typ巳-Length-ValueTag®TagType:®TagLength:白子Typ巳一Length-ValueTag朴2®TagType:®TagLength
8、:®TagValue:白丁Extrabytes®Hunijerofbytes:#1830x000000000x000000006422:13:47-59737270008/03/2016FF:FF:FF:FF:FF:FFEthernetBroadcast54:93:59:9C:BC:9E0x8863PPPoEDiscovery110x09ActiveDiscoveryInitiation0120x0101ServiceName00x0103HostUnique4(4bytes)(28bytes)0xC0A139D0Calculated〒FCS
9、-FrameCheckSequence:®FCS:“图・PADI详细报文”2.1.2.PADO(ActiveDiscoveryOffer)接入设备收到在服务范围内的PADI包后,发送有效发现提供包(PADO)以响应请求。其CODE字段为0X07,SESSION_ID为0X00000PADO包必须包含一个接入设备名称类型(A0xC0A139D0Calculated〒FCS-FrameCheckSequence:®FCS:“图・PADI详细报文”2.1.1.PADO(ActiveDiscoveryOffer)接入设备收到在服务范围内的PADI包后
10、,发送有效发现提供包(PADO)以响应请求。其CODE字段为0X07,SESSION_ID为0X00000PADO包必须包含一个接入设备名称类型(AC-Name)的
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