路由器无法连接网络 求大神解绝！总是这样！接收PADT,服务端请求断开本次连接

0339:LCP RX Terminate Req.
2 0339:LCP tx Terminate Ack.
3 0339:接收PADT,服务端请求断开本次连接.
4 0340:PPPOE 开启按需连接.
5 0340:Standard authentication.
6 0341:发送PADI,请求建立连接.
7 0341:Invalid PADT packt received.
8 0341:PPPOE_TAG_SVC_NAME=null
9 0341:The first service name is accepted.
10 0341:PPPOE: reserve AC-cookie tag.
11 0341:PPPOE: receive HOST-UNIQUE tag.
12 0341:接收PADO,AC-Name=CNC,AC-MAC=80810002AC24.
13 0341:发送PADR.
14 0341:接收PADS,Session-ID=0xA804,AC-MAC=80810002AC24.
15 0341:LCP tx Req,MRU=05C8;Magic=0000172D;
16 0341:LCP RX Ack,MRU=05C8;Magic=0000172D;
17 0342:LCP RX Req,Auth=C023;Magic=F8E3E880;
18 0342:LCP tx Ack,Auth=C023;Magic=F8E3E880;
19 0342:PAP IDLE -> REQ.
20 0342:PAP tx Req.
21 0342:PAP:密码验证成功.
22 0342:IPCP tx Req,IP=00000000;DNS1=00000000;DNS2=00000000;
23 0343:IPCP RX Req,IP=0A000001;
24 0343:IPCP tx Ack,IP=0A000001;
25 0343:IPCP tx Req,IP=00000000;DNS1=00000000;DNS2=00000000;
26 0343:IPCP RX Nak,IP=0A000006;DNS1=DB920142;DNS2=DB930142;
27 0344:LCP RX Terminate Req.
28 0344:LCP tx Terminate Ack.
29 0344:接收PADT,服务端请求断开本次连接.