Day 4. PPPoE
CCNA 200-101 ICND2 Exam Topics
Implement and troubleshoot PPPoE
Key Topics
Today’s review covers concepts and configurations of PPP over Ethernet (PPPoE), which is a technology used with digital subscriber line (DSL) to provide Internet service providers (ISPs) a way to track and authenticate customers.
PPPoE Concepts
PPP can be used on all serial links, including those links created with dialup analog and ISDN modems. To this day, the link from a dialup user to an ISP, using analog modems, likely uses PPP, as shown in Figure 4-1.
Figure 4-1 Typical PPP Connection to ISP
In addition, ISPs often use PPP as the data-link protocol ...
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