Configuring PPP on serial interfaces and CHAP Authentication (CNA-04-001)

CCNA Exploration 4.0, Semester 4, "Configuring PPP on serial interfaces and CHAP Authentication" Packet Tracer 5.0 practice file (CNA-04-001).

• CNA-04-001.pkt, (Backup Link)
• CNA-04-001-sol.pkt, (Backup Link)

This is a simple practice for you to change the layer 2 encapsulation from defautl HDLC to PPP. And the reference answer file also contains sample CHAP authentication configurations.

You can also read my previous post so you won't get confused about the username/password and directions.

PPP with CHAP Authentication, Quick Reference

Quick reference for PPP together with CHAP authentication configuration.

hostname Left
username Right password samepassword

int serial 1/0
encapsulation ppp
ppp authentication chap
ip address 1.1.1.1 255.255.255.0
no shutdown

hostname Right
username Left password samepassword

int serial 1/0
encapsulation ppp
ppp authentication chap
ip address 1.1.1.2 255.255.255.0
no shutdown