TP-Link TD-8840 - Manual (Page 31)

TD-8840 ADSL2+ Modem Router User Guide
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Click Next button in Figure 4-6, and then you will see Figure 4-7. Check or uncheck the Enable
WAN Service box according to your needs.
Figure 4-7
Click the Next button to enter the next step as shown in Figure 4-8. Click Save to complete the
configuration.
Figure 4-8
¾ PPP over Ethernet (PPPoE)
If you select the protocol of PPP over Ethernet (PPPoE), you will see the Figure 4-9.