• Nov 2, 2025 ccna 4 lab troubleshooting ppp ication failures, or protocol mismatches Key Concepts in PPP Troubleshooting Common PPP Components and Protocols Understanding the key components is vital: PPP Encapsulation: Ensures data is framed correctly for serial links Authentication: Verifies identity via PAP or CHAP NCP (Network Control Pr By Pascale Reichert
