In This I Am Going To Tell You The Easiest Way To Configure Point To Point Protocol Just Follow These Steps
Step 1- Firstly We Have To Take 2 Router And Connect with Serial Port
Step 2- First Set The Hostname To The Router And Then Assign The Ip’s To The Router And Don’t Forget To Set Clock Rate 64000 In Router 1 Se0/1/0
Step 3- Configuration Of Router 1
R1
#Enable
#Config Turminal
#Username R2 Password CCNA123
#int S0/0/0
#Encapsulation PPP
#PPP Authentication Chap
#Exit
Step 4 Configuration Of Router 2
R2
#Enable
#Config Turminal
#Username R1 Password CCNA123
#int S0/1/0
#Encapsulation PPP
#PPP Authentication Chap
#Exit
Here I AM Going To Tell You What Is PPP & CHAP
Here IS The Full Form
PPP – Password Authentication Protocol
Chap – Chalange Hand shake Authentication