问题描述：点击"克隆MAC地址”，然后保存、按了恢复出厂设置，再重新设置也是拨号不成功的。 下面是系统日志 1 INFO 2006-01-01 08:00:00|系统启动成功. 2 INFO 2006-01-01 08:00:06|PPPoE 开启按需连接. 3 INFO 2006-01-01 08:00:06|发送PADI,请求建立连接. 4 INFO 2006-01-01 08:00:06|DHCPS: 1:0x00134669fbe1, 192.168.1.100, ACK in request. 5 INFO 2006-01-01 08:00:08|发送PADI,请求建立连接. 6 INFO 2006-01-01 08:00:11|发送PADI,请求建立连接. 7 INFO 2006-01-01 08:00:15|发送PADI,请求建立连接. 8 INFO 2006-01-01 08:00:15|PPPOE: request timeout. 9 INFO 2006-01-01 08:00:15|Failed to connect to ISP server, maybe WAN port cable is unplugged. 10 INFO 2006-01-01 08:00:16|PPPoE 开启按需连接. 11 INFO 2006-01-01 08:00:16|发送PADI,请求建立连接. 12 INFO 2006-01-01 08:00:19|发送PADI,请求建立连接. 13 INFO 2006-01-01 08:00:22|发送PADI,请求建立连接. 14 INFO 2006-01-01 08:00:26|发送PADI,请求建立连接. 15 INFO 2006-01-01 08:00:26|PPPOE: request timeout. 16 INFO 2006-01-01 08:00:26|Failed to connect to ISP server, maybe WAN port cable is unplugged. 17 INFO 2006-01-01 08:00:27|PPPoE 开启按需连接. 18 INFO 2006-01-01 08:00:27|发送PADI,请求建立连接. 19 INFO 2006-01-01 08:00:29|发送PADI,请求建立连接. 20 INFO 2006-01-01 08:00:32|发送PADI,请求建立连接. 21 INFO 2006-01-01 08:00:36|发送PADI,请求建立连接. 22 INFO 2006-01-01 08:00:37|PPPOE: request timeout. 23 INFO 2006-01-01 08:00:37|Failed to connect to ISP server, maybe WAN port cable is unplugged. 24 INFO 2006-01-01 08:00:38|PPPoE 开启按需连接. 25 INFO 2006-01-01 08:00:38|发送PADI,请求建立连接. 26 INFO 2006-01-01 08:00:40|发送PADI,请求建立连接. 27 INFO 2006-01-01 08:00:43|发送PADI,请求建立连接. 28 INFO 2006-01-01 08:00:47|发送PADI,请求建立连接. 29 INFO 2006-01-01 08:00:47|PPPOE: request timeout. 30 INFO 2006-01-01 08:00:48|Failed to connect to ISP server, maybe WAN port cable is unplugged. 31 INFO 2006-01-01 08:00:49|PPPoE 开启按需连接. 32 INFO 2006-01-01 08:00:49|发送PADI,请求建立连接. 33 INFO 2006-01-01 08:00:51|发送PADI,请求建立连接. 34 INFO 2006-01-01 08:00:51|Invalid PADT packt received. 35 INFO 2006-01-01 08:00:54|发送PADI,请求建立连接. 36 INFO 2006-01-01 08:00:58|发送PADI,请求建立连接. 37 INFO 2006-01-01 08:00:58|PPPOE: request timeout. 38 INFO 2006-01-01 08:00:58|Failed to connect to ISP server, maybe WAN port cable is unplugged. 39 INFO 2006-01-01 08:00:59|PPPoE 开启按需连接. 40 INFO 2006-01-01 08:01:00|发送PADI,请求建立连接. 41 INFO 2006-01-01 08:01:02|发送PADI,请求建立连接. 42 INFO 2006-01-01 08:01:05|发送PADI,请求建立连接. 43 INFO 2006-01-01 08:01:09|发送PADI,请求建立连接. 44 INFO 2006-01-01 08:01:09|PPPOE: request timeout. 45 INFO 2006-01-01 08:01:09|Failed to connect to ISP server, maybe WAN port cable is unplugged. 46 INFO 2006-01-01 08:01:10|PPPoE 开启按需连接. 47 INFO 2006-01-01 08:01:10|发送PADI,请求建立连接. 48 INFO 2006-01-01 08:01:13|发送PADI,请求建立连接. 49 INFO 2006-01-01 08:01:14|DHCPS: 1:0x9ccad993e641, 192.168.1.101, ACK in request. 50 INFO 2006-01-01 08:01:16|发送PADI,请求建立连接. 51 INFO 2006-01-01 08:01:20|发送PADI,请求建立连接. 52 INFO 2006-01-01 08:01:20|PPPOE: request timeout. 53 INFO 2006-01-01 08:01:20|Failed to connect to ISP server, maybe WAN port cable is unplugged. 54 INFO 2006-01-01 08:01:21|PPPoE 开启按需连接. 55 INFO 2006-01-01 08:01:21|发送PADI,请求建立连接. 56 INFO 2006-01-01 08:01:23|发送PADI,请求建立连接. 57 INFO 2006-01-01 08:01:26|发送PADI,请求建立连接. 58 INFO 2006-01-01 08:01:30|发送PADI,请求建立连接. 59 INFO 2006-01-01 08:01:31|PPPOE: request timeout. 60 INFO 2006-01-01 08:01:31|Failed to connect to ISP server, maybe WAN port cable is unplugged. 61 INFO 2006-01-01 08:01:32|PPPoE 开启按需连接. 62 INFO 2006-01-01 08:01:32|发送PADI,请求建立连接. 63 INFO 2006-01-01 08:01:34|发送PADI,请求建立连接. 64 INFO 2006-01-01 08:01:37|发送PADI,请求建立连接. 65 INFO 2006-01-01 08:01:41|发送PADI,请求建立连接. 66 INFO 2006-01-01 08:01:41|PPPOE: request timeout. 67 INFO 2006-01-01 08:01:42|Failed to connect to ISP server, maybe WAN port cable is unplugged. 68 INFO 2006-01-01 08:01:43|PPPoE 开启按需连接. 69 INFO 2006-01-01 08:01:43|发送PADI,请求建立连接. 70 INFO 2006-01-01 08:01:45|发送PADI,请求建立连接. 71 INFO 2006-01-01 08:01:48|发送PADI,请求建立连接. 72 INFO 2006-01-01 08:01:52|发送PADI,请求建立连接. 73 INFO 2006-01-01 08:01:52|PPPOE: request timeout. 74 INFO 2006-01-01 08:01:52|Failed to connect to ISP server, maybe WAN port cable is unplugged. 75 INFO 2006-01-01 08:01:53|PPPoE 开启按需连接. 76 INFO 2006-01-01 08:01:54|发送PADI,请求建立连接. 77 INFO 2006-01-01 08:01:56|发送PADI,请求建立连接. 78 INFO 2006-01-01 08:01:59|发送PADI,请求建立连接. 79 INFO 2006-01-01 08:02:03|发送PADI,请求建立连接. 80 INFO 2006-01-01 08:02:03|PPPOE: request timeout. 81 INFO 2006-01-01 08:02:03|Failed to connect to ISP server, maybe WAN port cable is unplugged. 82 INFO 2006-01-01 08:02:04|PPPoE 开启按需连接. 83 INFO 2006-01-01 08:02:04|发送PADI,请求建立连接. 84 INFO 2006-01-01 08:02:07|发送PADI,请求建立连接. 85 INFO 2006-01-01 08:02:10|发送PADI,请求建立连接. 86 INFO 2006-01-01 08:02:14|发送PADI,请求建立连接. 87 INFO 2006-01-01 08:02:14|PPPOE: request timeout. 88 INFO 2006-01-01 08:02:14|Failed to connect to ISP server, maybe WAN port cable is unplugged. 89 INFO 2006-01-01 08:02:15|PPPoE 开启按需连接. 90 INFO 2006-01-01 08:02:15|发送PADI,请求建立连接. 91 INFO 2006-01-01 08:02:17|发送PADI,请求建立连接. 92 INFO 2006-01-01 08:02:20|发送PADI,请求建立连接. 93 INFO 2006-01-01 08:02:24|发送PADI,请求建立连接. 94 INFO 2006-01-01 08:02:25|PPPOE: request timeout. 95 INFO 2006-01-01 08:02:25|Failed to connect to ISP server, maybe WAN port cable is unplugged. 96 INFO 2006-01-01 08:02:26|PPPoE 开启按需连接. 97 INFO 2006-01-01 08:02:26|发送PADI,请求建立连接. 98 INFO 2006-01-01 08:02:28|发送PADI,请求建立连接. 99 INFO 2006-01-01 08:02:31|发送PADI,请求建立连接. 100 INFO 2006-01-01 08:02:35|发送PADI,请求建立连接. 101 INFO 2006-01-01 08:02:35|PPPOE: request timeout. 102 INFO 2006-01-01 08:02:36|Failed to connect to ISP server, maybe WAN port cable is unplugged. 103 INFO 2006-01-01 08:02:37|PPPoE 开启按需连接. 104 INFO 2006-01-01 08:02:37|发送PADI,请求建立连接. 105 INFO 2006-01-01 08:02:39|发送PADI,请求建立连接. 106 INFO 2006-01-01 08:02:42|发送PADI,请求建立连接. 107 INFO 2006-01-01 08:02:46|发送PADI,请求建立连接. 108 INFO 2006-01-01 08:02:46|PPPOE: request timeout. 109 INFO 2006-01-01 08:02:46|Failed to connect to ISP server, maybe WAN port cable is unplugged. 110 INFO 2006-01-01 08:02:47|PPPoE 开启按需连接. 111 INFO 2006-01-01 08:02:48|发送PADI,请求建立连接. 112 INFO 2006-01-01 08:02:50|发送PADI,请求建立连接. 113 INFO 2006-01-01 08:02:53|发送PADI,请求建立连接. 114 INFO 2006-01-01 08:02:57|发送PADI,请求建立连接. 115 INFO 2006-01-01 08:02:57|PPPOE: request timeout. 116 INFO 2006-01-01 08:02:57|Failed to connect to ISP server, maybe WAN port cable is unplugged. 117 INFO 2006-01-01 08:02:58|PPPoE 开启按需连接. 118 INFO 2006-01-01 08:02:58|发送PADI,请求建立连接. Time = 2006-01-01 8:03:00 184s H-Ver = WR847N 2.0 00000000 : S-Ver = 4.17.16 Build 120201 Rel.54750n 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=4994, Busy=36, Bind=34, Inv=0/2, Bc=0/0, Dns=91, cl=1534, fc=0/0, sq=0/0