问题描述：入户网线接路由器，笔记本无线连接设置路由器。每天不定时断网，且无法自动连接。 正常时，系统日志如下： ======================== 29 INFO 0days, 00:06:43, DHCPS: Send OFFER with ip 192.168.1.104 28 INFO 0days, 00:06:43, DHCPS: Send NAK 27 INFO 0days, 00:06:43, DHCPS:REQUEST ip c0a80166 already reserved by someone 26 INFO 0days, 00:00:11, DHCPS: Send OFFER with ip 192.168.1.100 25 INFO 0days, 00:00:11, DHCPS: Send NAK 24 INFO 0days, 00:00:11, DHCPS:REQUEST ip c0a80165 already reserved by someone 23 INFO 0days, 00:00:10, PPP: ppp0 set localIp 31df6877 dstIp 31df6001 mtu 1480 22 INFO 0days, 00:00:10, PPP IPCP: RX CONFIGURE_ACK. 21 INFO 0days, 00:00:10, PPP IPCP: TX CONFIGURE_REQUEST. 20 INFO 0days, 00:00:10, PPP IPCP: RX CONFIGURE_NAK. 19 INFO 0days, 00:00:10, PPP IPCP: TX CONFIGURE_ACK. 18 INFO 0days, 00:00:10, PPP IPCP: RX CONFIGURE_REQUEST. 17 INFO 0days, 00:00:10, PPP IPCP: TX CONFIGURE_REQUEST. 16 INFO 0days, 00:00:10, PPP CHAP: RX CHAP_AUTHENTICATION_ACK. 15 INFO 0days, 00:00:10, PPP CHAP: TX CHAP_RESPONSE. 14 INFO 0days, 00:00:10, PPP CHAP: RX CHAP_CHALLENGE. 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=QD-SE800-B225E040820273,AC-MAC=0030881AD9C3 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 = 2006-01-01 8:28:13 1698s H-Ver = WR842N 4.0 00000000 : S-Ver = 5.0.0 Build 130502 Rel.62832n L = 192.168.1.1 : M = 255.255.255.0 W1 = PPPoE : W = 49.223.104.119 : M = 255.255.255.255 : G = 49.223.96.1 Cnt = 5120, Free = 4857, Busy = 263 =========================