【正文】 er Length Data Motorola Document Classification, Beyond the Four Walls MOTOROLA and the Stylized M Logo are registered in the US Patent amp。 ? EAP報(bào)文的格式為： Code Identifier Length Data Motorola Document Classification, Beyond the Four Walls MOTOROLA and the Stylized M Logo are registered in the US Patent amp。而 EAPOL就是 PPP的一個(gè)可擴(kuò)展的認(rèn)證協(xié)議。 Trademark Office. All other product or service names are the property of their respective owners. 169。 ? 下線方式： –物理端口 Down； –重新認(rèn)證不通過(guò)或者超時(shí)； –客戶端發(fā)起 EAP_Logoff幀； –網(wǎng)管控制導(dǎo)致下線； Motorola Document Classification, Beyond the Four Walls MOTOROLA and the Stylized M Logo are registered in the US Patent amp。當(dāng)客戶通過(guò)認(rèn)證后，則端口狀態(tài)切換到授權(quán)狀態(tài)（ authorized），允許客戶端通過(guò)端口進(jìn)行正常通訊。 Trademark Office. All other product or service names are the property of their respective owners. 169。 Trademark Office. All other product or service names are the property of their respective owners. 169。 Trademark Office. All other product or service names are the property of their respective owners. 169。 Motorola, Inc. 2022 Motorola無(wú)線培訓(xùn) 第五部分：無(wú)線網(wǎng)絡(luò)安全 Motorola Document Classification, Beyond the Four Walls MOTOROLA and the Stylized M Logo are registered in the US Patent amp。 Trademark Office. All other product or service names are the property of their respective owners. 169。 Trademark Office. All other product or service names are the property of their respective owners. 169。 Motorola, Inc. 2022 在 win98下提供的客戶端： 在 winXP下提供的客戶端： Motorola Document Classification, Beyond the Four Walls MOTOROLA and the Stylized M Logo are registered in the US Patent amp。 Motorola Document Classification, Beyond the Four Walls MOTOROLA and the Stylized M Logo are registered in the US Patent amp。 Motorola, Inc. 2022 ? 認(rèn)證通過(guò)前，通道的狀態(tài)為 unauthorized，此時(shí)只能通過(guò) EAPOL的 ； ? 認(rèn)證通過(guò)時(shí)，通道的狀態(tài)切換為 authorized，此時(shí)從遠(yuǎn)端認(rèn)證服務(wù)器可以傳遞來(lái)用戶的信息，比如 VLAN、 CAR參數(shù)、優(yōu)先級(jí)、用戶的訪問(wèn)控制列表等等； ? 認(rèn)證通過(guò)后，用戶的流量就將接受上述參數(shù)的監(jiān)管，此時(shí)該通道可以通過(guò)任何報(bào)文，注意只有認(rèn)證通過(guò)后才有 DHCP等過(guò)程。認(rèn)證通過(guò)后端口切換到授權(quán)狀態(tài)，在退出前可以進(jìn)行重認(rèn)證。 Motorola Document Classification, Beyond the Four Walls MOTOROLA and the Stylized M Logo are registered in the US Patent amp。 Motorola, Inc. 2022 EAPOL協(xié)議的介紹 ? 下面是一個(gè)典型的 PPP協(xié)議的幀格式： –當(dāng) PPP幀中的 protocol域表明協(xié)議類型為 C227(PPP EAP)時(shí)，在 PPP數(shù)據(jù)鏈路層幀的 Information域中封裝且僅封裝 PPP EAP數(shù)據(jù)包，此時(shí)表明將應(yīng)用 PPP的擴(kuò)展認(rèn)證協(xié)議 EAP。 Motorola Document Classification, Beyond the Four Walls MOTOROLA and the Stylized M Logo are registered in the US Patent amp。 ?Identifier域?yàn)橐粋€(gè)字節(jié)。超出Length域的字節(jié)應(yīng)視為數(shù)據(jù)鏈路層填充（ padding），在接收時(shí)應(yīng)該被忽略掉。 Trademark Office. All other product or service names are the property of their respective owners. 16