802.1x的三大角色withieee802.1xport-basedauthentication,thedevicesinthenetworkhavespecificroles:clientswitchaccesspoint(ap)authenticationserver802.1x认证过程介绍pc接上来,交换机就会给打招呼请求你是否能够支持,如果支持就回eaport-start开始,然后