问题描述：用网线直接电脑能上网，用路由器就是无响应，克隆MAC地址也不管用，换了多个有线、无线路由都是一样。 电脑直接宽带 连接速度是100M。 宽带电脑都连接路由器LAN口，在电脑上拨号，错误651. H-Ver = WR740N 5.0/6.0/7.0 00000000 : S-Ver = 5.3.16 Build 130415 Rel.68098n 0days, 00:06:16, System: Logs were cleared. 0days, 00:06:18, PPPOE SM: retry. 0days, 00:06:18, PPPOE: TX PADI. 0days, 00:06:20, PPPOE SM: retry. 0days, 00:06:20, PPPOE: TX PADI. 0days, 00:06:22, PPPOE SM: retry. 0days, 00:06:22, PPPOE: TX PADI. 0days, 00:06:24, PPPOE SM: retry. 0days, 00:06:24, PPPOE: TX PADI. 0days, 00:06:36, PPP LCP: TX TERMINATION_REQUEST. 0days, 00:06:36, try special dail type: 0 0days, 00:06:36, PPPOE: TX PADI. 0days, 00:06:38, PPPOE SM: retry. 0days, 00:06:38, PPPOE: TX PADI. 0days, 00:06:40, PPPOE SM: retry. 0days, 00:06:40, PPPOE: TX PADI. 0days, 00:06:42, PPPOE SM: retry. 0days, 00:06:42, PPPOE: TX PADI. 0days, 00:06:44, PPPOE SM: retry. 0days, 00:06:44, PPPOE: TX PADI. 0days, 00:06:46, PPPOE SM: retry. 0days, 00:06:46, PPPOE: TX PADI. 0days, 00:06:48, PPPOE SM: retry. 0days, 00:06:48, PPPOE: TX PADI. 0days, 00:06:50, PPPOE SM: retry. 0days, 00:06:50, PPPOE: TX PADI. 0days, 00:06:52, PPPOE SM: retry. 0days, 00:06:52, PPPOE: TX PADI. 0days, 00:06:54, PPPOE SM: retry. 0days, 00:06:54, PPPOE: TX PADI. 0days, 00:07:06, PPP LCP: TX TERMINATION_REQUEST. 0days, 00:07:06, try special dail type: 0