About this course

The Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR) v1.2 course gives you the knowledge and skills needed to configure, troubleshoot, and manage enterprise wired and wireless networks.

You’ll also learn to implement security principles, to implement automation and programmability within an enterprise network, and how to overlay network design by using SD-Access and SD-WAN solutions.


After taking this course, you should be able to:

  • Illustrate the hierarchical network design model and architecture using the access, distribution, and core layers
  • Compare and contrast the various hardware and software switching mechanisms and operation, while defining the Ternary Content Addressable Memory (TCAM) and Content Addressable Memory (CAM), along with process switching, fast switching, and Cisco Express Forwarding concepts
  • Troubleshoot Layer 2 connectivity using VLANs and trunking
  • Implement redundant switched networks using Spanning Tree Protocol
  • Troubleshoot link aggregation using Etherchannel
  • Describe the features, metrics, and path selection concepts of Enhanced Interior Gateway Routing Protocol (EIGRP)
  • Implement and optimize Open Shortest Path First (OSPF)v2 and OSPFv3, including adjacencies, packet types, and areas, summarization, and route filtering for IPv4 and IPv6
  • Implement External Border Gateway Protocol (EBGP) interdomain routing, path selection, and single and dual-homed networking
  • Implement network redundancy using protocols including Hot Standby Routing Protocol (HSRP) and Virtual Router Redundancy Protocol (VRRP)
  • Implement internet connectivity within Enterprise using static and dynamic Network Address Translation (NAT)
  • Describe the virtualization technology of servers, switches, and the various network devices and components
  • Implement overlay technologies such as Virtual Routing and Forwarding (VRF), Generic Routing Encapsulation (GRE), VPN, and Location Identifier Separation Protocol (LISP)
  • Describe the components and concepts of wireless networking including RF and antenna characteristics, and define the specific wireless standards
  • Describe the various wireless deployment models available, including autonomous Access Point (AP) deployments and cloud-based designs within the centralized Cisco Wireless LAN Controller (WLC) architecture
  • Describe wireless roaming and location services
  • Describe how APs communicate with WLCs to obtain software, configurations, and centralized management
  • Configure and verify Extensible Authentication Protocol (EAP), WebAuth, and Pre-Shared Key (PSK) wireless client authentication on a WLC
  • Troubleshoot wireless client connectivity issues using various available tools
  • Troubleshoot Enterprise networks using services such as Network Time Protocol (NTP), Simple Network Management Protocol (SNMP), Cisco IOS IP SLAs, NetFlow, and Cisco IOS Embedded Event Manager

Knowledge and skills you should have before attending this course:

  • Implementation of Enterprise LAN networks
  • Basic understanding of Enterprise routing and wireless connectivity
  • Basic understanding of Python scripting
Course Outline
  • Examining Cisco Enterprise Network Architecture

  • Understanding Cisco Switching Paths

  • Implementing Campus LAN Connectivity

  • Building Redundant Switched Topology

  • Implementing Layer 2 Port Aggregation

  • Understanding EIGRP

  • Implementing OSPF

  • Optimising OSPF

  • Exploring EBGP

  • Implementing Network Redundancy

  • Implementing NAT

  • Introducing Virtualisation Protocols and Techniques

  • Understanding Virtual Private Networks and Interfaces

  • Understanding Wireless Principles

  • Examining Wireless Deployment Options

  • Understanding Wireless Roaming and Location Services

  • Examining Wireless AP Operation

  • Understanding Wireless Client Authentication

  • Troubleshooting Wireless Client Connectivity

  • Introducing Multicast Protocols

  • Introducing QoS

  • Implementing Network Services

  • Using Network Analysis Tools

  • Implementing Infrastructure Security

  • Implementing Secure Access Control

  • Understanding Enterprise Network Security Architecture

  • Exploring Automation and Assurance Using Cisco DNA Center

  • Examining the Cisco SD-Access Solution

  • Understanding the Working Principles of the Cisco SD-WAN Solution

  • Understanding the Basics of Python Programming

  • Introducing Network Programmability Protocols

  • Introducing APIs in Cisco DNA Center and vManage

Lab outline

  • Investigate the CAM

  • Analyse Cisco Express Forwarding

  • Troubleshoot VLAN and Trunk Issues

  • Tuning Spanning Tree Protocol (STP) and Configuring Rapid Spanning Tree Protocol (RSTP)

  • Configure Multiple Spanning Tree Protocol

  • Troubleshoot EtherChannel

  • Implement Multi-area OSPF

  • Implement OSPF Tuning

  • Apply OSPF Optimisation

  • Implement OSPFv3

  • Configure and Verify Single-Homed EBGP

  • Implementing Hot Standby Routing Protocol (HSRP)

  • Configure Virtual Router Redundancy Protocol (VRRP)

  • Implement NAT

  • Configure and Verify Virtual Routing and Forwarding (VRF)

  • Configure and Verify a Generic Routing Encapsulation (GRE) Tunnel

  • Configure Static Virtual Tunnel Interface (VTI) Point-to-Point Tunnels

  • Configure Wireless Client Authentication in a Centralised Deployment

  • Troubleshoot Wireless Client Connectivity Issues

  • Configure Syslog

  • Configure and Verify Flexible NetFlow

  • Configuring Cisco IOS Embedded Event Manager (EEM)

  • Troubleshoot Connectivity and Analyse Traffic with Ping, Traceroute, and Debug

  • Configure and Verify Cisco IP SLAs

  • Configure Standard and Extended ACLs

  • Configure Control Plane Policing

  • Implement Local and Server-Based AAA

  • Writing and Troubleshooting Python Scripts

  • Explore JavaScript Object Notation (JSON) Objects and Scripts in Python


  • Use RESTCONF with Cisco IOS XE Software

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