问题描述：一旦路由器掉线，自动重拨 连不上， 单独用猫直接连的话没问题。 系统日志如下： 索引 类型 日 志 内 容 70 INFO 0days, 00:04:59, PPPOE: TX PADI. 69 INFO 0days, 00:04:59, PPPOE SM: retry. 68 INFO 0days, 00:04:57, PPPOE: TX PADI. 67 INFO 0days, 00:04:57, PPPOE SM: retry. 66 INFO 0days, 00:04:55, PPPOE: TX PADI. 65 INFO 0days, 00:04:55, PPPOE SM: retry. 64 INFO 0days, 00:04:53, PPPOE: TX PADI. 63 INFO 0days, 00:04:53, PPPOE SM: retry. 62 INFO 0days, 00:04:51, PPPOE: TX PADI. 61 INFO 0days, 00:04:51, PPPOE SM: retry. 60 INFO 0days, 00:04:49, PPPOE: TX PADI. 59 INFO 0days, 00:04:49, PPPOE SM: retry. 58 INFO 0days, 00:04:47, PPPOE: TX PADI. 57 INFO 0days, 00:04:47, PPPOE SM: retry. 56 INFO 0days, 00:04:45, PPPOE: TX PADI. 55 INFO 0days, 00:04:45, PPPOE SM: retry. 54 INFO 0days, 00:04:43, PPPOE: TX PADI. 53 INFO 0days, 00:04:43, PPPOE SM: retry. 52 INFO 0days, 00:04:41, PPPOE: TX PADI. 51 INFO 0days, 00:04:41, try special dail type: 0 50 INFO 0days, 00:04:41, PPPOE: TX PADT. 49 INFO 0days, 00:04:41, PPP LCP: TX TERMINATION_REQUEST. 48 INFO 0days, 00:04:29, PPPOE: TX PADI. 47 INFO 0days, 00:04:29, PPPOE SM: retry. 46 INFO 0days, 00:04:27, PPPOE: TX PADI. 45 INFO 0days, 00:04:27, PPPOE SM: retry. 44 INFO 0days, 00:04:25, PPPOE: TX PADI. 43 INFO 0days, 00:04:25, PPPOE SM: retry. 42 INFO 0days, 00:04:23, PPPOE: TX PADI. 41 INFO 0days, 00:04:23, PPPOE SM: retry. 40 INFO 0days, 00:04:21, PPPOE: TX PADI. 39 INFO 0days, 00:04:21, PPPOE SM: retry. 38 INFO 0days, 00:04:19, PPPOE: TX PADI. 37 INFO 0days, 00:04:19, PPPOE SM: retry. 36 INFO 0days, 00:04:17, PPPOE: TX PADI. 35 INFO 0days, 00:04:17, PPPOE SM: retry. 34 INFO 0days, 00:04:15, PPPOE: TX PADI. 33 INFO 0days, 00:04:15, PPPOE SM: retry. 32 INFO 0days, 00:04:13, PPPOE: TX PADI. 31 INFO 0days, 00:04:13, PPPOE SM: retry. 30 INFO 0days, 00:04:11, PPPOE: TX PADI. 29 INFO 0days, 00:04:11, try special dail type: 0 28 INFO 0days, 00:04:11, PPPOE: TX PADT. 27 INFO 0days, 00:04:11, PPP LCP: TX TERMINATION_REQUEST. 26 INFO 0days, 00:04:10, PPPOE: RX PADT. 25 INFO 0days, 00:04:10, PPP DOWN: TX TERMINATION_ACK. 24 INFO 0days, 00:04:10, PPP LCP: RX TERMINATION_REQUEST. 23 INFO 0days, 00:00:11, PPP: ppp0 set localIp 0a0025b2 dstIp 0a002401 mtu 1480 22 INFO 0days, 00:00:11, PPP IPCP: RX CONFIGURE_ACK. 21 INFO 0days, 00:00:11, PPP IPCP: TX CONFIGURE_REQUEST. 20 INFO 0days, 00:00:11, PPP IPCP: RX CONFIGURE_NAK. 19 INFO 0days, 00:00:11, PPP IPCP: TX CONFIGURE_ACK. 18 INFO 0days, 00:00:11, PPP IPCP: RX CONFIGURE_REQUEST. 17 INFO 0days, 00:00:11, PPP IPCP: TX CONFIGURE_REQUEST. 16 INFO 0days, 00:00:11, PPP PAP: RX AUTHENTICATION_ACK. 15 INFO 0days, 00:00:11, PPP PAP: TX AUTHENTICATION_REQUEST. 14 INFO 0days, 00:00:11, PPP SM: retry. 13 INFO 0days, 00:00:10, PPP LCP: RX CONFIGURE_ACK. 12 INFO 0days, 00:00:10, PPP LCP: TX CONFIGURE_ACK. 11 INFO 0days, 00:00:10, PPP LCP: RX CONFIGURE_REQUEST. 10 INFO 0days, 00:00:10, PPP LCP: TX CONFIGURE_REQUEST. 9 INFO 0days, 00:00:10, PPPOE: RX PADS. 8 INFO 0days, 00:00:10, PPPOE: TX PADR. 7 INFO 0days, 00:00:10, PPPOE: RX PADO,AC-NAME=BD-XBQ-KFQ-BAS-4.MAN.ME60,AC-MAC=286ED464D358 6 INFO 0days, 00:00:10, PPPOE: TX PADI. 5 INFO 0days, 00:00:10, try special dail type: 0 4 INFO 0days, 00:00:10, PPPOE: TX PADT. 3 INFO 0days, 00:00:10, PPP LCP: TX TERMINATION_REQUEST. 2 INFO 0days, 00:00:05, System start ok. 1 INFO 0days, 00:00:04, LAN: mirror0 set ip c0a80101 mask ffffff00 Time = 2013-10-11 20:38:53 308s H-Ver = WR842N 4.0 00000000 : S-Ver = 1.1.2 Build 130916 Rel.68828n 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 Cnt = 5120, Free = 3825, Busy = 1295