问题描述：8 INFO 0627:Failed to connect to ISP server, maybe WAN port cable is unplugged. 7 INFO 0627:PPPOE: request timeout. 6 INFO 0627:发送PADI,请求建立连接. 5 INFO 0623:发送PADI,请求建立连接. 4 INFO 0620:发送PADI,请求建立连接. 3 INFO 0617:发送PADI,请求建立连接. 2 INFO 0617:PPPoE 开启自动连接. 1 INFO 0586:清除所有日志内容. Time = 2006-01-01 8:10:50 651s H-Ver = WR740N 5.0/6.0 00000000 : S-Ver = 4.18.29 Build 110909 Rel.35946n L = 192.168.1.1 : M = 255.255.255.0 W1 = PPPoE : W = 0.0.0.0 : M = 0.0.0.0 : G = 0.0.0.0 Free=5020, Busy=10, Bind=8, Inv=0/4, Bc=0/0, Dns=320, cl=383, fc=0/0, sq=0/