CCNP Enterprise Certification Study Guide: Implementing and Operating Cisco

Description: Introduction xxi Assessment Test xxviii Chapter 1 Networking Fundamentals 1 The OSI Model 2 The Upper Layers: Application, Presentation, and Session 4 Making Sense of Layers 4 The Lower Layers: Physical, Data Link, Network, and Transport 6 Layer 1: The Physical Layer 7 Layer 2: The Data Link Layer 8 A Brief History of Ethernet 8 The MAC Address Table 10 Maximum Transmission Unit 12 Subnet Limits 12 Layer 3: The Network Layer 13 Forwarding within a Subnet 14 Forwarding between Subnets 14 Address Resolution Protocol 16 Fragmentation 17 Routing vs. Forwarding 18 Layer 4: The Transport Layer 18 Transmission Control Protocol 19 Encapsulation and Decapsulation 21 Summary 22 Exam Essentials 22 Review Questions 24 Chapter 2 Spanning Tree Protocols 29 The Need for Spanning Tree 31 VLANs and Trunking 32 Dynamic Trunking 34 Unconditional Trunking 35 Active and Allowed VLANs 36 Rapid Per-VLAN Spanning Tree 38 Electing the Root Bridge 38 Calculating the Root Ports 41 Calculating the Root Ports of Indirectly Connected Switches 44 Modifying Port Cost 46 Modifying Port Priority 47 Calculating Blocked Ports 48 Port States 49 Port Roles 49 Link Types 49 Multiple Spanning Tree 50 Root Bridges and Port Priority 52 Internal Spanning Tree 53 Native VLAN 54 Topology Change Detection 55 Spanning Tree Extensions 55 Root Guard 55 BPDU Guard and BPDU Filter 57 Unidirectional Link Detection 58 Loop Guard 58 Summary 58 Exam Essentials 59 Exercises 60 Review Questions 62 Chapter 3 Enterprise Network Design 67 Physical Network Architectures 68 Comparing Campus and Data Center Networks 69 The Three-Tier Architecture 70 The Two-Tier Collapsed Core: A Cheaper Alternative 73 Layer 2 Design 74 Switched and Routed Interfaces 75 Switched Topologies 76 Routed Access Topology 81 EtherChannels 82 Load-Balancing Methods 83 Static EtherChannels 84 Port Aggregation Control Protocol 88 Link Aggregation Control Protocol 90 First-Hop Redundancy Protocols 91 Hot Standby Router Protocol 92 Virtual Router Redundancy Protocol 94 Gateway Load-Balancing Protocol 95 Summary 97 Exam Essentials 98 Review Questions 100 Chapter 4 Wireless LAN (WLAN) 105 Radio Frequency Fundamentals 106 Frequency and Amplitude 107 Carrier Frequency 109 Power Levels 110 WLAN 802.11 Standards 115 The Physical Layer: Frequencies and Channels 115 Layer 2: 802.11 Media Access Control (MAC) 119 Access Point Modes 124 Autonomous 124 Lightweight 124 Wireless LAN Controller Selection Process 125 Roaming and Location Services 126 Roaming 126 Location Services 128 Summary 128 Exam Essentials 129 Review Questions 130 Chapter 5 Open Shortest Path First (OSPF) 135 Link-State Advertisements 136 OSPF Areas 137 LSA Types 137 Neighbor Operations 141 Configuring OSPF 142 Configuring Area 0 on a Broadcast Network 142 Viewing Neighbor Adjacencies 143 Rigging the Designated Router Election 144 Viewing and Understanding LSAs 146 Authentication 154 Passive Interfaces 158 Injecting a Default Route 159 Inter-Area Summarization 161 Route Filtering 162 Distribute Lists 162 Summary 163 Exam Essentials 164 Exercises 164 Review Questions 166 Chapter 6 Enhanced Interior Gateway Routing Protocol (EIGRP) 171 EIGRP Fundamentals 172 EIGRP Packet Types 172 The Diffusing Update Algorithm (DUAL) 173 Weighted Metrics 176 Configuring EIGRP 178 Equal Cost Multipathing 181 Modifying Metrics 182 Switching Types 186 Unequal Cost Multipathing 187 Summary 190 Exam Essentials 190 Exercises 191 Review Questions 192 Chapter 7 The Border Gateway Protocol (BGP) 197 BGP Fundamentals 198 BGP AS Numbers 199 BGP Session States 201 Configuring BGP 202 Advertising Prefixes 204 Path Selection 205 Route Redistribution among BGP, OSPF, and EIGRP 210 Testing IP Reachability Using Tcl Scripts 214 Troubleshooting 215 Modifying Weight 218 Advertising Summary Routes Using Route Aggregation 220 Route Filtering Using Route Maps and Prefix Lists 222 Summary 225 Exam Essentials 226 Exercises 226 Review Questions 228 Chapter 8 Network Address Translation and Multicast 233 Network Address Translation 234 Address Types 234 Static NAT 236 Dynamic NAT 241 NAT Overload with Port Address Translation 247 Outside Static NAT 250 Removing NAT Configurations 251 Multicast 252 IP Multicast 253 LAN Multicast 253 Multicast Routing 257 Configuring PIM 258 Configuring a Multicast Receiver 262 IP Multicast and Ethernet 264 Summary 265 Exam Essentials 267 Exercises 268 Review Questions 270 Chapter 9 Quality of Service 275 Understanding Quality of Service 276 Classification and Marking 277 Differentiated Services 277 Layer 2 Marking 280 Class Maps and Policy Maps 280 Wireless QoS 281 Policing 284 Single-Rate, Two-Color Policing 284 Single-Rate, Three-Color Policing 285 Two-Rate Policing 287 Queuing 288 Class-Based Weighted Fair Queuing 288 Low-Latency Queuing 293 Explicit Congestion Notification 295 Shaping 295 Summary 297 Exam Essentials 297 Exercises 298 Review Questions 299 Chapter 10 Network Virtualization 303 Virtual Machines, Hypervisors, and Network Virtualization 304 Virtual Machines and Server Virtualization 305 Network Virtualization 307 Generic Routing Encapsulation Tunnels 312 Configuring a GRE Tunnel to Tunnel IPv4 and IPv6 over IPv4 312 Recursive Routing 318 IP Security 319 Internet Key Exchange 320 Encapsulating Security Payload 320 Configuring IPsec in Transport Mode with a GRE Tunnel 321 Configuring IPsec in Tunnel Mode 324 Location/ID Separation Protocol 326 LISP Terminology 328 Configuring LISP 328 Simulating IP Mobility 332 Is LISP a Routing Protocol? 334 Virtual Extensible Local Area Network 334 MAC Address Learning 335 Forwarding 335 Configuring VXLAN 336 VXLAN Control Planes 336 Configuring the Underlay 337 Configuring the Overlay 338 Configuring R1 and R2 339 Virtual Routing and Forwarding 340 Configuring a VRF 340 Configuring Multi-VRF EIGRP 342 Summary 345 Exam Essentials 345 Exercises 346 Review Questions 347 Chapter 11 Software-Defined Networking and Network Programmability 353 What Is Software-Defined Networking? 355 Software-Defined Access 356 SD-Access Layers 357 Physical Layer 357 Network Underlay 358 Fabric Overlay 359 Controller Layer 363 Management Layer 364 Software-Defined WAN 369 vManage Network Management System 370 vSmart Controller 370 vBond Orchestrator 371 vEdge Routers 371 Network Programmability and Automation 372 The Cisco DNA Center Intent API 372 vManage REST API 379 NETCONF 383 Embedded Event Manager 386 Configuration Management Platforms 388 Summary 391 Exam Essentials 391 Exercises 392 Review Questions 393 Chapter 12 Network Security and Monitoring 397 Infrastructure Security 398 Device Access 399 Authentication, Authorization, and Accounting 402 Access Control Lists 407 Control Plane Policing 412 Cisco Security Products 414 AnyConnect Secure Mobility Client 414 Umbrella 414 Advanced Malware Protection ThreatGrid 414 Advanced Malware Protection for Endpoints 415 Firepower Next-Generation Firewall 415 TrustSec 416 MAC Security 418 Wireless Security 418 WebAuth 418 Configuring WPA2 with 802.1X 422 Configuring 802.1X on the Client 422 Configure Preshared Keys 424 Monitoring 425 Conditional Debugs 425 Simple Network Management Protocol (SNMP) 425 Syslog 426 Network Time Protocol 428 NetFlow and Flexible NetFlow 429 Switched Port Analyzer 432 IP Service Level Agreement 434 Summary 436 Exam Essentials 437 Exercises 438 Review Questions 439 Appendix Answers to Review Questions 443 Chapter 1: Networking Fundamentals 444 Chapter 2: Spanning Tree Protocols 445 Chapter 3: Enterprise Network Design 447 Chapter 4: Wireless LAN (WLAN) 448 Chapter 5: Open Shortest Path First (OSPF) 450 Chapter 6: Enhanced Interior Gateway Routing Protocol (EIGRP) 451 Chapter 7: The Border Gateway Protocol (BGP) 453 Chapter 8: Network Address Translation and Multicast 454 Chapter 9: Quality of Service 456 Chapter 10: Network Virtualization 457 Chapter 11: Software-Defined Networking and Network Programmability 459 Chapter 12: Network Security and Monitoring 460 Index 463

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