问题描述：无线路由器经常断线，重启多次后才能使用，不知道是因为外网的攻击，宽带问题还是路由器本身的问题 日志：1970-01-01 00:00:05 [5] DHCPD: Recv REQUEST from 68:5D:43:92:FF:18 1970-01-01 00:00:05 [5] DHCPD: Send ACK to 192.168.1.105 1970-01-01 00:00:06 [6] PPP: ppp0 sent [LCP TERM_REQ ID(0x00)] 1970-01-01 00:00:06 [6] PPP: ppp0 sent [PADT SESS_ID(0x0000)] 1970-01-01 00:00:06 [6] PPP: ppp0 sent [PADI SVC_NAME() HOST_UNIQ(0xfa1cf368cf8d0000)] 1970-01-01 00:00:09 [5] DHCPD: Recv REQUEST from 00:88:65:3A:4E:12 1970-01-01 00:00:09 [6] PPP: ppp0 sent [PADI SVC_NAME() HOST_UNIQ(0xfa1cf368cf8d0000)] 1970-01-01 00:00:09 [5] DHCPD: Send ACK to 192.168.1.109 1970-01-01 00:00:11 [6] PPP: ppp0 sent [PADI SVC_NAME() HOST_UNIQ(0xfa1cf368cf8d0000)] 1970-01-01 00:00:13 [6] PPP: ppp0 sent [PADI SVC_NAME() HOST_UNIQ(0xfa1cf368cf8d0000)] 1970-01-01 00:00:14 [6] PPP: ppp0 sent [LCP TERM_REQ ID(0x01)] 1970-01-01 00:00:14 [6] PPP: ppp0 sent [PADT SESS_ID(0x0000)] 1970-01-01 00:00:14 [6] PPP: ppp0 sent [PADI SVC_NAME() HOST_UNIQ(0xfa1cf368d1620000)] 1970-01-01 00:00:16 [6] PPP: ppp0 sent [PADI SVC_NAME() HOST_UNIQ(0xfa1cf368d1620000)] 1970-01-01 00:00:16 [5] DHCPD: Recv REQUEST from 90:18:7C:AA:F8:15 1970-01-01 00:00:17 [5] DHCPD: Send ACK to 192.168.1.103 1970-01-01 00:00:17 [5] DHCPD: Recv REQUEST from 90:FD:61:64:41:91 1970-01-01 00:00:17 [5] DHCPD: REQUEST ip c0a80164 already reserved by someone 1970-01-01 00:00:17 [5] DHCPD: Send NAK 1970-01-01 00:00:18 [6] PPP: ppp0 sent [PADI SVC_NAME() HOST_UNIQ(0xfa1cf368d1620000)] 1970-01-01 00:00:18 [5] DHCPD: Recv REQUEST from 90:FD:61:64:41:91 1970-01-01 00:00:18 [5] DHCPD: REQUEST ip c0a80164 already reserved by 00:00:00:00:00:00 1970-01-01 00:00:18 [5] DHCPD: Send NAK 1970-01-01 00:00:18 [5] DHCPD: Recv DISCOVER from 90:FD:61:64:41:91 1970-01-01 00:00:18 [5] DHCPD: Send OFFER with ip 192.168.1.101 1970-01-01 00:00:20 [5] DHCPD: Recv REQUEST from 90:FD:61:64:41:91 1970-01-01 00:00:20 [6] PPP: ppp0 sent [PADI SVC_NAME() HOST_UNIQ(0xfa1cf368d1620000)] 1970-01-01 00:00:20 [5] DHCPD: Send ACK to 192.168.1.101 1970-01-01 00:00:21 [6] PPP: ppp0 sent [LCP TERM_REQ ID(0x02)] 1970-01-01 00:00:21 [6] PPP: ppp0 sent [PADT SESS_ID(0x0000)] 1970-01-01 00:00:21 [6] PPP: ppp0 sent [PADI SVC_NAME() HOST_UNIQ(0xfa1cf368d3090000)] 1970-01-01 00:00:24 [6] PPP: ppp0 sent [PADI SVC_NAME() HOST_UNIQ(0xfa1cf368d3090000)] 1970-01-01 00:00:24 [6] PPP: ppp0 rcvd [PADO SVC_NAME() AC_NAME(SZ-LZ-BAS-5.MAN.ME60) AC_MAC(78:23:0c:5b:00:05)] 1970-01-01 00:00:24 [6] PPP: ppp0 sent [PADR SVC_NAME() HOST_UNIQ(0xfa1cf368d30a0000)] 1970-01-01 00:00:24 [6] PPP: ppp0 rcvd [PADS SESS_ID(0x75f1)] 1970-01-01 00:00:24 [6] PPP: ppp0 sent [LCP CONF_REQ ID(0x03) MRU(1480) MAGIC(0x00000e93)] 1970-01-01 00:00:24 [6] PPP: ppp0 rcvd [LCP CONF_REQ ID(0x01) MRU(1492) AUTH(PAP) MAGIC(0xf341af99)] 1970-01-01 00:00:24 [6] PPP: ppp0 sent [LCP CONF_ACK ID(0x01) MRU(1492) AUTH(PAP) MAGIC(0xf341af99)] 1970-01-01 00:00:24 [6] PPP: ppp0 rcvd [LCP CONF_ACK ID(0x03) MRU(1480) MAGIC(0x00000e93)] 1970-01-01 00:00:26 [6] PPP: ppp0 sent [PAP ID(0x04) NAME(075526444888@163.gd) PWD(hidden] 1970-01-01 00:00:26 [6] PPP: ppp0 rcvd [PAP ID(0x04)] 1970-01-01 00:00:26 [6] PPP: ppp0 sent [IPCP CONF_REQ ID(0x05) IP_ADDR(0.0.0.0) DNS_PRI(0.0.0.0) DNS_SEC(0.0.0.0)] 1970-01-01 00:00:26 [6] PPP: ppp0 rcvd [IPCP CONF_REQ ID(0x01) IP_ADDR(113.90.172.1)] 1970-01-01 00:00:26 [6] PPP: ppp0 sent [IPCP CONF_ACK ID(0x01) IP_ADDR(113.90.172.1)] 1970-01-01 00:00:26 [6] PPP: ppp0 rcvd [IPCP CONF_NAK ID(0x05) IP_ADDR(113.90.173.96) DNS_PRI(202.96.128.166) DNS_SEC(202.96. 1970-01-01 00:00:26 [6] PPP: ppp0 sent [IPCP CONF_REQ ID(0x06) IP_ADDR(113.90.173.96) DNS_PRI(202.96.128.166) DNS_SEC(202.96. 1970-01-01 00:00:26 [6] PPP: ppp0 rcvd [IPCP CONF_ACK ID(0x06) IP_ADDR(113.90.173.96) DNS_PRI(202.96.128.166) DNS_SEC(202.96. 2015-02-27 13:04:07 [5] DHCPD: Recv REQUEST from C8:BC:C8:13:7A:E4 2015-02-27 13:04:07 [5] DHCPD: Send ACK to 192.168.1.102 2015-02-27 13:05:43 [5] DHCPD: Recv REQUEST from C8:33:4B:47:9D:96 2015-02-27 13:05:44 [5] DHCPD: Send ACK to 192.168.1.101 2015-02-27 13:05:45 [5] DHCPD: Recv DECLINE from C8:33:4B:47:9D:96 2015-02-27 13:05:55 [5] DHCPD: Recv DISCOVER from C8:33:4B:47:9D:96 2015-02-27 13:05:55 [5] DHCPD: Send OFFER with ip 192.168.1.104 2015-02-27 13:05:56 [5] DHCPD: Recv REQUEST from C8:33:4B:47:9D:96 2015-02-27 13:05:57 [5] DHCPD: Send ACK to 192.168.1.104 2015-02-27 13:10:18 [5] DHCPD: Recv REQUEST from 7C:11:BE:4D:7E:3A 2015-02-27 13:10:19 [5] DHCPD: REQUEST ip c0a8016c already reserved by someone 2015-02-27 13:10:19 [5] DHCPD: Send NAK 2015-02-27 13:10:19 [5] DHCPD: Recv DISCOVER from 7C:11:BE:4D:7E:3A 2015-02-27 13:10:19 [5] DHCPD: Send OFFER with ip 192.168.1.106 2015-02-27 13:10:20 [5] DHCPD: Recv REQUEST from 7C:11:BE:4D:7E:3A 2015-02-27 13:10:21 [5] DHCPD: Send ACK to 192.168.1.106