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Trademark Office. All other product or service names are the property of their respective owners. 169。但是, Response可以有個 Nak類型,表明 Request中的 Type不能被對方接受。如果對方在給最初的Request發(fā)送 Response之前收到重復的 Request(也就是說,它在等待用戶輸入),它必須悄悄的丟棄重復的Request。 ? Data域為 0個或者多個字節(jié), Data域的格式由Code的值來決定。 Motorola, Inc. 2022 EAPOL協(xié)議的介紹 ? 一個典型的 EAP認證的過程分為: request、response、 success或者 failure階段,每一個階段的報文傳送都由 Information域所攜帶的 EAP報文來承擔。在鏈路已經建立起來后,在進入網絡層協(xié)議之前, PPP提供一個可選的認證階段。 Motorola Document Classification, Beyond the Four Walls MOTOROLA and the Stylized M Logo are registered in the US Patent amp。重新認證的過程對 User是透明的 (應該是User不需要重新輸入密碼 )。 Motorola, Inc. 2022 ? 認證前后端口的狀態(tài) – ,端口的狀態(tài)決定了客戶端是否能接入網絡,在啟用 授權( unauthorized),在該狀態(tài)下,除 報文和廣播報文外不允許任何業(yè)務輸入、輸出通訊。 Motorola Document Classification, Beyond the Four Walls MOTOROLA and the Stylized M Logo are registered in the US Patent amp。 Motorola, Inc. 2022 ? : – Supplicant System,客戶端 (PC/網絡設備 ) – Authenticator System,認證系統(tǒng) – Authentication Server System,認證服務器 Motorola Document Classification, Beyond the Four Walls MOTOROLA and the Stylized M Logo are registered in the US Patent amp。也不需要控制到端口 ? 隨著無線 LAN的應用以及 LAN接入在電信網上大規(guī)模開展,需要對端口加以控制,以實現(xiàn)用戶級的接入控制 ? IEEE為了解決基于端口的接入控制( PortBased Access Control)而定義的一個標準 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。 Motorola, Inc. 2022 ? ? 戶的接入認證問題 ? 現(xiàn)在大部分的有線 LAN接入已經采納 Motorola Document Classification, Beyond the Four Walls MOTOROLA and the Stylized M Logo are registered in the US Patent amp。 Motorola, Inc. 2022 PAE:認證機制中負責處理算法和協(xié)議的實體。 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 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。 Trademark Office. All other product or service names are the property of their respective owners. 169。這個時候這個封裝著 EAP報文的information域就擔負起了下一步認證的全部任務,下一步的 EAP認證都將通過它來進行。 Trademark Office. All other product or service names are the property of their respective owners. 169。在等待 Response時根據(jù) timeout而重發(fā)的 Request的 Identifier域必須相同。 ?Type域為一個字節(jié) ,該域表明了 Request或 Re