问题描述：电信1M贷款，路由器带3台电脑，最近两周频繁掉线，进入路由器管理界面，接受数据停止，发送数据正常，断线后连接无反应，重启猫后OK 系统日志 索引 日 志 内 容 1 0153:PPPOE: request timeout. 2 0153:NEIMENG CNNMAX authentication. 3 0153:0023CD46EBC72008010110230200000:: 4 0153:发送PADI,请求建立连接. 5 0155:发送PADI,请求建立连接. 6 0158:发送PADI,请求建立连接. 7 0162:发送PADI,请求建立连接. 8 0163:PPPOE: request timeout. 9 0163:CANNOT got any correct dial mode, the dial interval is 78 s. 10 0164:PPPoE 开启按需连接. 11 0164:发送PADI,请求建立连接. 12 0166:发送PADI,请求建立连接. 13 0169:发送PADI,请求建立连接. 14 0173:发送PADI,请求建立连接. 15 0173:PPPOE_TAG_SVC_NAME=null 16 0173:The first service name is accepted. 17 0173:PPPOE: receive HOST-UNIQUE tag. 18 0173:PPPOE: reserve AC-COOKIE tag. 19 0173:接收PADO,AC-Name=adsl01sj,AC-MAC=00901A40DFB5. 20 0173:发送PADR. 21 0173:接收PADS,Session-ID=0x1D1F,AC-MAC=00901A40DFB5. 22 0173:LCP tx Req,MRU=05D4;Magic=00004D4D; 23 0173:LCP RX Req,MRU=05D4;Auth=C023;Magic=08BFEF3D; 24 0173:LCP tx Ack,MRU=05D4;Auth=C023;Magic=08BFEF3D; 25 0173:LCP RX Ack,MRU=05D4;Magic=00004D4D; 26 0173:PAP IDLE -> REQ. 27 0174:PAP tx Req. 28 0174:PAP:密码验证成功. 29 0175:IPCP tx Req,IP=00000000;DNS1=00000000;DNS2=00000000; 30 0175:IPCP RX Req,IP=DDEF8701; 31 0175:IPCP tx Ack,IP=DDEF8701; 32 0177:IPCP tx Req,IP=00000000;DNS1=00000000;DNS2=00000000; 33 0177:IPCP RX Nak,IP=74EE431F;DNS1=B4A8FF76;DNS2=74E46F12; 34 0177:IPCP RX Req,IP=DDEF8701; 35 0177:IPCP tx Ack,IP=DDEF8701; 36 0178:IPCP tx Req,IP=74EE431F;DNS1=B4A8FF76;DNS2=74E46F12; 37 0178:IPCP RX Ack,IP=74EE431F;DNS1=B4A8FF76;DNS2=74E46F12; 38 0178:PPP connection succeeded. 116.238.67.31 . 39 0178:got a correct dial mode[ NORMAL ], the dial interval is 14 s. 40 0186:PPPOE ip succ. H-Ver = TL-R402系列 100122BA : S-Ver = 3.7.2 Build 100120 Rel.49610na L = 192.168.1.1 : M = 255.255.255.0 Mode = PPPoE : W = 116.238.67.31 : M = 255.255.255.0 : G = 116.238.67.31 Free=1002, Busy=22, Bind=20, Inv=0/2, Bc=0/0, Dns=87, cl=48, fc=0/0, sq=2/15