What should I do if the router encounters PPPoE failure to connect? The following system home Xiaobian for everyone to sort out the TP-Link router PPPoE can not dial the solution, need friends to try it! 1. Unable to obtain WAN port IP When you can set the WAN port IP after setting up PPPOE dialing, you can enter the management interface - system tool - system log, if you see the log is: as described in the log, &ldquo ; password verification failed & rdquo;, the possible reasons for this situation are: 1. Account error: Please confirm that the username and password are correct, pay attention to the size of the (19) flag fading rank? SPAN lang = EN-US > " rd rdquo; and “o”, forgot to fill in the suffixes such as “@adsl”,“@163.gd” Try entering this account on a single machine to confirm if you can dial or contact your ISP to confirm the correctness of your account. 2. ISP is bound to the MAC address of the computer network card: Some ISPs will bind the physical address (ie MAC address) of the user's computer network card when installing the broadband service to the user. Only the bound computer can dial the Internet through PPPOE, other Computer or router can not dial on the router, the solution to this problem is: use a single machine to dial the Internet computer management router, enter the router management interface → network parameters & rarr; MAC address clone, will be bound to the computer (single machine can The MAC of the network card of the dial-up computer can be cloned to the router, as shown in Figure 2. 3. The user access mode is non-standard PPPoE: such as Starspeed Software or Broadband. In addition to the above password verification failure, the log you see may be as shown in Figure 3. The log shows that the PPPOE dialup request sent by the router does not respond. The possible causes of this situation are: 1. The physical link is unreachable, including the cause of the line connection error, the physical port is damaged, the network cable is not plugged in, the network cable quality is faulty, and the MODEM is not yet available. Synchronization success, MODEM failure, etc., please confirm whether the connection is correct (such as forgetting the wiring), the line that the MODEM comes out is connected to the WAN port of the router (for example, the line that the MODEM comes out is connected to the LAN port of the router), the corresponding indicator MODEM Is the LAN indicator light and the router's WAN port indicator lit? Is the MODEM DSL light always on? First of all, it is recommended to go to the dial-up to see if you can access the Internet. If it is possible, connect the line again and wait until the physical link is connected properly. Then try to dial the number. 2. The previous abnormal disconnection, such as the sudden power off of the MODEM or router during the normal Internet access, this is an abnormal disconnection, from the client point of view is disconnected, but the server did not notice, again If you dial, you need to wait a few minutes before dialing successfully. The waiting time varies according to the status of each line, usually 3-5 minutes. The dialing log after an abnormal disconnection may also be as shown in Figure 4 below. When the log of Figure 4 appears, you only need to set the router to automatically dial, and wait for a while to automatically dial the number.