Introduction xiii
Assessment Test xxvi
Chapter 1 Network Fundamentals 1
Compare and contrast OSI and TCP/IP models 2
Compare and contrast TCP and UDP protocols 5
Describe the impact of infrastructure components in an enterprise network 10
Describe the effects of cloud resources on enterprise network architecture 11
Compare and contrast collapsed core and three-tier architectures 14
Compare and contrast network topologies 18
Select the appropriate cabling type based on implementation requirements 19
Apply troubleshooting methodologies to resolve problems 28
Configure, verify, and troubleshoot IPv4 addressing and subnetting 29
Compare and contrast IPv4 address types 42
Describe the need for private IPv4 addressing 46
Identify the appropriate IPv6 addressing scheme to satisfy addressing requirements in a LAN/WAN environment 47
Configure, verify, and troubleshoot IPv6 addressing 50
Configure and verify IPv6 Stateless address Auto configuration 53
Compare and contrast IPv6 address types 55
Review Questions 58
Chapter 2 LAN Switching Technologies 61
Describe and verify switching concepts 62
Interpret Ethernet frame format 66
Troubleshoot interface and cable issues (collisions, errors, duplex, speed) 68
Configure, verify, and troubleshoot VLANs (normal/extended range) spanning multiple switches 70
Configure, verify, and troubleshoot interswitch connectivity 76
Configure, verify, and troubleshoot STP protocols 84
Configure, verify, and troubleshoot STP-related optional features 92
Configure and verify layer 2 protocols 94
Configure, verify, and troubleshoot (layer 2/layer 3) EtherChannel 102
Describe the benefits of switch stacking and chassis aggregation 109
Review Questions 111
Chapter 3 Routing Technologies 115
Describe the routing concepts 116
Interpret the components of a routing table 123
Describe how a routing table is populated by different routing information sources 127
Configure, verify, and troubleshoot inter-VLAN routing 127
Compare and contrast static routing and dynamic routing 136
Compare and contrast distance vector and link state routing protocols 138
Compare and contrast interior and exterior routing protocols 139
Configure, verify, and troubleshoot IPv4 and IPv6 static routing 139
Configure, verify, and troubleshoot single area and multi-area OSPFv2 for IPv4 (excluding authentication, filtering, manual summarization, redistribution, stub, virtual-link, and LSAs) 146
Configure, verify, and troubleshoot single area and multi-area OSPFv3 for IPv6 (excluding authentication, filtering, manual summarization, redistribution, stub, virtual-link, and LSAs) 174
Configure, verify, and troubleshoot EIGRP for IPv4 (excluding authentication, filtering, manual summarization, redistribution, stub) 178
Configure, verify, and troubleshoot EIGRP for IPv6 (excluding authentication, filtering, manual summarization, redistribution, stub) 187
Configure, verify, and troubleshoot RIPv2 for IPv4 (excluding authentication, filtering, manual summarization, redistribution) 193
Troubleshoot basic layer 3 end-to-end connectivity issues 199
Review Questions 221
Chapter 4 WAN Technologies 225
Configure and verify PPP and MLPPP on WAN interfaces using local authentication 226
Configure, verify, and troubleshoot PPPoE client-side interfaces using local authentication 239
Configure, verify, and troubleshoot GRE tunnel connectivity 241
Describe WAN topology options 246
Describe WAN access connectivity options 248
Configure and verify single-homed branch connectivity using eBGP IPv4 (limited to peering and route advertisement using Network command only) 253
Describe basic QoS concepts 259
Review Questions 269
Chapter 5 Infrastructure Services 271
Describe DNS lookup operation 272
Troubleshoot client connectivity issues involving DNS 275
Configure and verify DHCP on a router (excluding static reservations) 276
Troubleshoot client- and router-based DHCP connectivity issues 278
Configure, verify, and troubleshoot basic HSRP 281
Configure, verify, and troubleshoot inside source NAT 293
Configure and verify NTP operating in a client/server mode 302
Review Questions 305
Chapter 6 Infrastructure Security 307
Configure, verify, and troubleshoot port security 308
Describe common access layer threat mitigation techniques 311
Configure, verify, and troubleshoot IPv4 and IPv6 access list for traffic filtering 314
Verify ACLs using the APIC-EM Path Trace ACL Analysis tool 338
Configure, verify, and troubleshoot basic device hardening 341
Describe device security using AAA with TACACS+ and RADIUS 352
Review Questions 356
Chapter 7 Infrastructure Management 359
Configure and verify device-monitoring protocols 360
Troubleshoot network connectivity issues using ICMP echo-based IP SLA 369
Configure and verify device management 371
Configure and verify initial device configuration 392
Perform device maintenance 402
Use Cisco IOS tools to troubleshoot and resolve problems 413
Describe network programmability in enterprise network architecture 417
Review Questions 422
Appendix Answers to Review Questions 425
Chapter 1: Network Fundamentals 426
Chapter 2: LAN Switching Technologies 426
Chapter 3: Routing Technologies 427
Chapter 4: WAN Technologies 428
Chapter 5: Infrastructure Services 428
Chapter 6: Infrastructure Security 429
Chapter 7: Infrastructure Management 430
Index 431
