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Troubleshooting
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AC1600 WiFi VDSL/ADSL Modem Router Model D6400
6. In the Internet Port pane, check that the IP Address field shows a valid IP address and that
the Connection field shows PPPoE or PPPoA.
7. In the Internet Port pane, click the Connection Status button.
The Connection Status pop-up window displays.
8. Check the following:
• The Connection Status field shows Connected.
• The Connection
T
ime field does not show 00:00:00.
If all of the information is correct, your PPPoE or PPPoA connection is working.
To reconnect if your PPPoE or PPPoA connection does not function:
1. Launch a web browser from a computer or WiFi device that is connected to the network.
2. T
ype http://www
.routerlogin.net.
A login window opens.
3. Enter the user name and password for the modem router.
The user name is admin.
The default password is
password. The user name and
password are case-sensitive.
4. Click the OK button.
The BASIC Home page displays.
5. Select ADVANCED >
ADVANCED Home.
The ADVANCED Home page displays.
6. In the Internet Port pane, click the Connection Status button.
The Connection Status pop-up window displays.
7. Click the Connect button.
The modem router attempts to reconnect.
If you cannot connect after several minutes, you might be using an incorrect service name,
user name, or password. Or your ISP might not be able to provide an Internet connection.
Unless you connect manually, the modem router does not authenticate using PPPoE or
PPPoA until data is transmitted to the network.
Troubleshoot Internet Browsing
If your modem router can obtain an IP address but your computer is unable to load any web
pages from the Internet, it might be for one of the following reasons:
• The traffic meter is enabled, and the limit was reached.
By configuring the traffic meter not to block Internet access when the traffic limit is
reached, you can resume Internet access (see Unblock the Traffic Meter After the Traffic
Limit Is Reached on page 244). If your ISP sets a usage limit, they might charge you for
the overage.