31 Days Before Your CCNP and CCIE Enterprise Core Exam

Patrick Gargano has been an educator since 1996, a Cisco Networking Academy Instructor since 2000, and a Certified Cisco Systems Instructor (CCSI) since 2005. He is currently working for Cisco as a Content Engineer on the Enterprise Technical Education team within DevCX. Until recently, he was based in Australia, where he worked as a Content Development Engineer at Skyline ATS, responsible for CCNP Enterprise course development with Learning@Cisco. He previously led the Networking Academy program at Collège La Cité in Ottawa, Canada, where he taught CCNA/CCNP-level courses, and he has also worked for Cisco Learning Partners NterOne and Fast Lane UK. In 2018 Patrick was awarded the Networking Academy Above and Beyond Instructor award for leading CCNA CyberOps early adoption and instructor training in Quebec, Canada. Patrick has also twice led the Cisco Networking Academy Dream Team at Cisco Live US. His previous Cisco Press publications include CCNP and CCIE Enterprise Core & CCNP Advanced Routing Portable Command Guide (2020), 31 Days Before Your CCNA Security Exam (2016), and CCNP Routing and Switching Portable Command Guide (2014). His certifications include CCNA, CyberOps Associate, and CCNP Enterprise, as well as the Enterprise Core and Enterprise Advanced Infrastructure Implementation specialists. He holds BEd and BA degrees from the University of Ottawa, and he is completing a master of professional studies (MPS) degree in computer networking at Fort Hays State University.

• Introduction xxxDay 31: Enterprise Network Architecture 1ENCOR 350-401 Exam Topics 1Key Topics 1Hierarchical LAN Design Model 1Enterprise Network Architecture Options 4Study Resources 13Day 30: Packet Switching and Forwarding 15ENCOR 350-401 Exam Topics 15Key Topics 15Layer 2 Switch Operation 15Layer 3 Switch Operation 17Forwarding Mechanisms 19Study Resources 32Day 29: LAN Connectivity 33ENCOR 350-401 Exam Topics 33Key Topics 33VLAN Overview 33Access Ports 35802.1Q Trunk Ports 38Dynamic Trunking Protocol 44VLAN Trunking Protocol 46Inter-VLAN Routing 50Study Resources 54Day 28: Spanning Tree Protocol 55ENCOR 350-401 Exam Topics 55Key Topics 55IEEE 802.1D STP Overview 55Rapid Spanning Tree Protocol 64RSTP Rapid Transition to Forwarding State 66RSTP Synchronization 66RSTP Topology Change 67STP and RSTP Configuration and Verification 68STP Stability Mechanisms 77Multiple Spanning Tree Protocol 83Study Resources 90Day 27: Port Aggregation 91ENCOR 350-401 Exam Topics 91Key Topics 91Need for EtherChannel 91EtherChannel Mode Interactions 93EtherChannel Configuration Guidelines 95EtherChannel Load Balancing Options 96EtherChannel Configuration and Verification 97Advanced EtherChannel Tuning 101Study Resources 104Day 26: EIGRP 105ENCOR 350-401 Exam Topics 105Key Topics 105EIGRP Features 105EIGRP Reliable Transport Protocol 106Establishing EIGRP Neighbor Adjacency 109EIGRP Metrics 110EIGRP Path Selection 115EIGRP Load Balancing and Sharing 117Study Resources 119Day 25: OSPFv2 121ENCOR 350-401 Exam Topics 121Key Topics 121OSPF Characteristics 121OSPF Process 123OSPF Neighbor Adjacencies 125Building a Link-State Database 127OSPF Neighbor States 127OSPF Packet Types 129OSPF LSA Types 130Single-Area and Multiarea OSPF 131OSPF Area Structure 132OSPF Network Types 133OSPF DR and BDR Election 134OSPF Timers 136Multiarea OSPF Configuration 137Verifying OSPF Functionality 138Study Resources 141Day 24: Advanced OSPFv2 and OSPFv3 143ENCOR 350-401 Exam Topics 143Key Topics 143OSPF Cost 143OSPF Passive Interfaces 145OSPF Default Routing 146OSPF Route Summarization 147OSPF Route Filtering Tools 151Distribute Lists 151OSPF Filtering Options 152OSPFv3 155OSPFv3 Configuration 157Study Resources 162Day 23: BGP 163ENCOR 350-401 Exam Topics 163Key Topics 163BGP Interdomain Routing 163BGP Multihoming 167BGP Operations 169BGP Neighbor States 171BGP Neighbor Relationships 172BGP Path Selection 173BGP Path Attributes 175BGP Configuration 176Study Resources 182Day 22: First-Hop Redundancy Protocols 183ENCOR 350-401 Exam Topics 183Key Topics 183Default Gateway Redundancy 183First Hop Redundancy Protocol 184VRRP 199Study Resources 203Day 21: Network Services 205ENCOR 350-401 Exam Topics 205Key Topics 205Network Address Translation 205Network Time Protocol 218Study Resources 226Day 20: GRE and IPsec 227ENCOR 350-401 Exam Topics 227Key Topics 227Generic Routing Encapsulation 227IP Security (IPsec) 232IPsec: IKE 240IPsec Site-to-Site VPN Configuration 242Study Resources 250Day 19: LISP and VXLAN 251ENCOR 350-401 Exam Topics 251Key Topics 251Locator/ID Separation Protocol 251Virtual Extensible LAN (VXLAN) 262Study Resources 268Day 18: SD-Access 269ENCOR 350-401 Exam Topics 269Key Topics 269Software-Defined Access 269Cisco SD-Access Fabric Data Plane and Control Plane 275Cisco SD-Access Fabric Policy Plane 275Cisco SD-Access Fabric Components 277Shared Services in Cisco SD-Access 281Study Resources 283Day 17: SD-WAN 285ENCOR 350-401 Exam Topics 285Key Topics 285Software-Defined WAN 285Cisco SD-WAN Solution Example 295Cisco SD-WAN Routing 299Study Resources 301Day 16: Multicast 303ENCOR 350-401 Exam Topics 303Key Topics 303Multicast Overview 303Internet Group Management Protocol 311Multicast Distribution Trees 313IP Multicast Routing 315Study Resources 321Day 15: QoS 323ENCOR 350-401 Exam Topics 323Key Topics 323Quality of Service 323QoS Models 327QoS Mechanisms Overview 329Study Resources 348Day 14: Network Assurance, Part 1 349ENCOR 350-401 Exam Topics 349Key Topics 349Troubleshooting Concepts 349Network Diagnostic Tools 352Cisco IOS IP SLAs 360Switched Port Analyzer Overview 365Study Resources 372Day 13: Network Assurance, Part 2 373ENCOR 350-401 Exam Topics 373Key Topics 373Logging Services 373Understanding Syslog 374Simple Network Management Protocol 376NetFlow 378Study Resources 387Day 12: Wireless Concepts 389ENCOR 350-401 Exam Topics 389Key Topics 389Explain RF Principles 389IEEE Wireless Standards 399Study Resources 406Day 11: Wireless Deployment 407ENCOR 350-401 Exam Topics 407Key Topics 407Wireless Deployment Overview 407Wireless AP Operation 422Antenna Characteristics 428Study Resources 431Day 10: Wireless Client Roaming and Authentication 433ENCOR 350-401 Exam Topics 433Key Topics 433Wireless Roaming 434Wireless Location Services 442Wireless Client Authentication 445Study Resources 463Day 9: Secure Network Access 465ENCOR 350-401 Exam Topics 465Key Topics 465Network Security Threatscape 465Network Security Components 468Endpoint Security 471Firewall Concepts 476TrustSec 478MACsec 483Identity Management 484Study Resources 490Day 8: Infrastructure Security 491ENCOR 350-401 Exam Topics 491Key Topics 491Secure Access Control 491Access Control Lists 504Control Plane Policing 513Study Resources 516Day 7: Virtualization 517ENCOR 350-401 Exam Topics 517Key Topics 517Server Virtualization 517Network Function Virtualization 523Network Path Isolation 527Study Resources 532Day 6: Cisco DNA Center 533ENCOR 350-401 Exam Topics 533Key Topics 533Need for Digital Transformation 533Cisco Digital Network Architecture 535Cisco Intent-Based Networking 537Cisco DNA Center Features 539Cisco DNA Assurance Workflow 548Study Resources 554Day 5: Network Programmability 555ENCOR 350-401 Exam Topics 555Key Topics 555Python Concepts 555Device Management and Network Programmability 565Study Resources 582Day 4: REST APIs 583ENCOR 350-401 Exam Topics 583Key Topics 583Application Programming Interfaces 583Southbound APIs 584Northbound APIs 584REST API Response Codes and Results 585REST APIs in Cisco DNA Center 587REST APIs in Cisco vManage 590Cisco SD-WAN API Library and Documentation 592Study Resources 598Day 3: Network Automation 599ENCOR 350-401 Exam Topics 599Key Topics 599Configuration Management Tools 599Embedded Events Manager 615Study Resources 620Day 2: Review Lab 1 621Objective 621Day 1: Review Lab 2 633Objective 6339780136965220, TOC, 10/2/2020