Introduction xx Chapter 1 Introduction to WANs 1 Providing Integrated Services to the Enterprise 2 Review Question 2 Exercise 1-1: Browsing Through Internet Routing Tables 2 Exercise 1-2: Tracing a Path Through the Internet 4 WAN Technology Concepts 6 Review Question 6 WAN Connection Options 6 Review Questions 7 Chapter Review Vocabulary Exercise: Matching 8 Chapter Review Multiple-Choice Questions 9 Lab 1-1: Challenge Review Lab (1.4.1) 13 Scenario 14 Task 1: Prepare the Network 14 Task 2: Perform Basic Device Configurations 15 Task 3: Configure and Activate Serial and Ethernet Addresses 15 Task 4: Configure STP 15 Task 5: Configure VTP 15 Task 6: Configure VLANs 15 Task 7: Configure RIP Routing 15 Task 8: Configure OSPF Routing 16 Task 9: Configure EIGRP Routing 16 Task 10: Document the Router Configurations 16 Task 11: Clean Up 16 Packet Tracer Exercise: Comprehensive WAN Fundamentals 16 Packet Tracer Skills Integration Challenge 16 Task 1: Configure Static and Default Routing 18 Task 2: Add and Connect the BRANCH Router 19 Task 3: Add and Connect the Switches 19 Task 4: Add and Connect the PCs 19 Task 5: Perform Basic Device Configuration 20 Task 6: Configure OSPF Routing 20 Task 7: Configure STP 21 Task 8: Configure VTP 21 Task 9: Configure Trunking 21 Task 10: Configure VLANs 21 Task 11: Verify End-to-End Connectivity 22 Chapter 2 PPP 23 Serial Point-to-Point Links 24 Review Questions 25 PPP Concepts 25 Vocabulary Exercise: Matching 26 Configuring PPP 27 Review Questions 27 Configuring PPP with Authentication 27 Review Questions 28 Chapter Review: Multiple-Choice Questions 28 Chapter Review Exercise 32 Lab 2-1: Basic PPP Configuration Lab (2.5.1) 33 Scenario 34 Task 1: Prepare the Network 34 Task 2: Perform Basic Router Configuration 34 Task 3: Configure and Activate Serial and Ethernet Addresses 35 Task 4: Configure OSPF on the Routers 35 Task 5: Configure PPP Encapsulation on Serial Interfaces 37 Task 6: Break and Restore PPP Encapsulation 44 Task 7: Configure PPP Authentication 45 Task 8: Intentionally Break and Restore PPP CHAP Authentication 49 Task 9: Document the Router Configurations 51 Task 10: Clean Up 54 Packet Tracer Companion: Basic PPP Configuration (2.5.1) 54 Lab 2-2: Challenge PPP Configuration (2.5.2) 55 Scenario 56 Task 1: Prepare the Network 56 Task 2: Perform Basic Router Configuration 56 Task 3: Configure and Activate Serial and Ethernet Addresses 56 Task 4: Configure OSPF on Routers 57 Task 5: Configure PPP Encapsulation on Serial Interfaces 57 Task 6: Intentionally Break and Restore PPP Encapsulation 57 Task 7: Configure PPP CHAP Authentication 57 Task 8: Intentionally Break and Restore PPP CHAP Authentication 57 Task 9: Document the Router Configurations 57 Task 10: Clean Up 57 Packet Tracer Companion: Challenge PPP Configuration (2.5.2) 57 Lab 2-3: Troubleshooting PPP Configuration (2.5.3) 58 Scenario 59 Task 1: Load Routers with the Supplied Scripts 59 Task 2: Find and Correct Network Errors 64 Task 3: Document the Corrected Network 64 Task 4: Clean Up 64 Packet Tracer Companion: Troubleshooting PPP Configuration (2.5.3) 64 Packet Tracer Exercise 2-1: PPP 64 Packet Tracer Exercise 2-2: PPP Troubleshooting 65 Packet Tracer Skills Integration Challenge 65