Description: The purpose of this lab exercise is to configure ISDN BRI 0 interfaces on R5 and
R1, and test for connectivity.
1. Assign IP address on all the devices as per the above diagram (On R1 and R5 sub-interface #1
2. Set the Encapsulation parameters appropriately on R1 and R5
3. Ping from PC1 to PC2 and vice versa
NOTE: ISDN Concepts and ISDN Labs have been excluded as per Current Cisco CCNA
Objectives but these labs can be referred if interested.