Implementing and Operating Cisco Enterprise Network Core Technologies

Course Code: ENCOR-G1

Duration: 5 days


Implementing and Operating Cisco Enterprise Network Core Technologies Course Overview

The Implementing and Operating Cisco Enterprise Network Core Technologies course gives you the knowledge and skills needed to configure, troubleshoot, and manage enterprise wired and wireless networks. Learn how to implement security principles within an enterprise network and how to overlay network design by using solutions such as SD-Access and SD-WAN. The automation and programmability of Enterprise networks is also incorporated in this course.

• This course has been designed as an 8 day course with 5 days of ILT and 3 days of Self study. The self-study modules have been highlighted within the overview.

Skills Gained

After completing 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

• Implementation of redundant switched networks using Spanning Tree Protocol

• Troubleshooting link aggregation using Etherchannel

• Describe the features, metrics, and path selection concepts of Enhanced Interior Gateway Routing Protocol (EIGRP)

• Implementation and optimization of Open Shortest Path First (OSPF)v2 and OSPFv3, including adjacencies, packet types, and areas, summarization, and route filtering for IPv4 and IPv6

• Implementing External Border Gateway Protocol (EBGP) interdomain routing, path selection, and single and dual-homed networking

• Implementing network redundancy using protocols including Hot Standby Routing Protocol (HSRP) and Virtual Router Redundancy Protocol (VRRP)

• Implementing 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

• Implementing 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 Radio Frequency (RF) and antenna characteristics, and define the specific wireless standards

• Describe the various wireless deployment models available, include 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

• Troubleshooting Enterprise networks using services such as Network Time Protocol (NTP), Simple Network Management Protocol (SNMP), Cisco Internetwork Operating System (Cisco IOS® ) IP Service Level Agreements (SLAs), NetFlow, and Cisco IOS Embedded Event Manager

• Explain the use of available network analysis and troubleshooting tools, which include show and debug commands, as well as best practices in troubleshooting

• Configure secure administrative access for Cisco IOS devices using the Command-Line Interface (CLI) access, Role-Based Access Control (RBAC), Access Control List (ACL), and Secure Shell (SSH), and explore device hardening concepts to secure devices from less secure applications, such as Telnet and HTTP

• Implement scalable administration using Authentication, Authorization, and Accounting (AAA) and the local database, while exploring the features and benefits

• Describe the enterprise network security architecture, including the purpose and function of VPNs, content security, logging, endpoint security, personal firewalls, and other security features

• Explain the purpose, function, features, and workflow of Cisco DNA Centerâ„¢ Assurance for Intent-Based Networking, for network visibility, proactive monitoring, and application experience

• Describe the components and features of the Cisco SD-Access solution, including the nodes, fabric control plane, and data plane, while illustrating the purpose and function of the Virtual Extensible LAN (VXLAN) gateways

• Define the components and features of Cisco SD-WAN solutions, including the orchestration plane, management plane, control plane, and data plane

• Describe the concepts, purpose, and features of multicast protocols, including Internet Group Management Protocol (IGMP) v2/v3, Protocol-Independent Multicast (PIM) dense mode/sparse mode, and rendezvous points

• Describe the concepts and features of Quality of Service (QoS), and describe the need within the enterprise network

• Explain basic Python components and conditionals with script writing and analysis

• Describe network programmability protocols such as Network Configuration Protocol (NETCONF) and RESTCONFDescribe APIs in Cisco DNA Center and vManage

Who will the Course Benefit?

Network engineers involved in the installation, support and troubleshooting of enterprise networks.

Course Contents

Examining Cisco Enterprise Network Architecture

Cisco Enterprise Architecture Model

Campus LAN Design Fundamentals

Traditional Multilayer Campus Layer Design

Campus Distribution Layer Design

Understanding Cisco Switching Paths

Layer 2 Switch Operation

Control and Data Plane

Cisco Switching Mechanisms

Implementing Campus LAN Connectivity

Revisiting VLANs

Trunking with 802.1Q

Inter-VLAN Routing

Building Redundant Switched Topology

Spanning-Tree Protocol Overview

Spanning-Tree Protocol Operation

Spanning-Tree Protocols Types and Features

Multiple Spanning Tree Protocol

PortFast and BPDU

Implementing Layer 2 Port Aggregation

Need for EtherChannel

EtherChannel Mode Interactions

Layer 2 EtherChannel Configuration Guidelines

EtherChannel Load-Balancing Options

Troubleshoot EtherChannel Issues

Understanding EIGRP

EIGRP Features

EIGRP Reliable Transport

Establishing EIGRP Neighbour Adjacency

EIGRP Metrics

EIGRP Path Selection

Explore EIGRP Path Selection

Explore EIGRP Load Balancing and Sharing

EIGRP for IPv6

Compare EIGRP and OSPF Routing Protocols

Implementing OSPF

Describe OSPF

The OSPF Process

OSPF Neighbor Adjacencies

Buidling a Link-State Database


Compare Single-Area and Muliarea OSPF

OSPF Area Structure

OSPF Network Types

Optimizing OSPF


OSPF Route Summarization Benefits

OSPF Route Filtering Tools

Compare OSPFv2 and OSPFv3

Exploring EBGP

Interdomain Routing with BGP

BGP Operations

Types of BGP Neighbor Relationships

BGP Path Selection

BGP Path Attributes

Implementing Network Redundancy

Need for Default Gateway Redundancy

Define FHRP

HSRP Advanced Features

Cisco Switch High Availability Features

Implementing NAT

Define Network Address Translation

NAT Address Types

Explore NAT Implementations

NAT Virtual Interface

Introducing Virtualization Protocols and Techniques

Server Virualization

Need for Network Virtualization

Path Isolation Overview

Introducing VRF

Introducing Generic Routing Encapsulation

Introducing Virtualization Protocols and Techniques

Server Virualization

Need for Network Virtualization

Path Isolation Overview

Introducing VRF

Introducing Generic Routing Encapsulation

Understanding Virtual Private Networks and Interfaces

Site-to-Site VPN Technologies

IPSec VPN Overview


IPsec Modes

IPsec VPN Types


Understanding Wireless Principles

Explain RF Principles

Describe Watts and Decibels

Describe Antenna Characteristics

Describe IEEE Wireless Standards

Identify Wireless Component Roles

Examining Wireless Deployment Options

Wireless Deployment Overview

Describe Autonomous AP Deployment

Describe Centralized Cisco WLC Deployment

Describe FlexConnect Deployment

Cloud Deployment and Its Effect on Enterprise Networks

Describe the Cloud-Managed Meraki Solution

Cisco Catalyst 9800 Series Controller Deployment Options

Describe Cisco Mobility Express

Understanding Wireless Roaming and Location Services

Wireless Roaming Overview

Mobility Groups and Domains

Wireless Roaming Types

Describe Location Services

Examining Wireless AP Operation

Universal AP Priming

Explore the Controller Discovery Process

Describe AP Failover

Explain High Availability

Explore AP Modes

Understanding Wireless Client Authentication

Authentication Methods

Pre-Shared Key (PSK) Authentication

802.1X User Authentication Overview

PKI and 802.1X Certificate Based Authentication

Introduction to Extensible Authetication Protocol

EAP-Transport Layer Security (EAP-TLS)

Protected Extensible Authentication Protocol


Guest Access with Web Auth

Troubleshooting Wireless Client Connectivity

Wireless Troubleshooting Tools Overview

Spectrum Analysis

Wi-Fi Scanning

Packet Analysis

Cisco AIreOS GUI and CLI Tools

Cisco Wireless Config Analyzer Express

Common Wireless Client Connectivity Issues Overview

Client to AP Connectivity

WLAN Configuration

Infrastructure Configuartion

Introducing Multicast Protocols (Self-study)

Multicast Overview

Internet Group Management Protocol

Multicast Distribution Trees

IP Multicasting Routing

Rendevous Point

Introducing QoS (Self-study)

Understand the Impact of User Applications on the Network

Need for Quality of Service (QoS)

Describe QoS Mechanisms

Define and Interpret a QoS Policy

Implementing Network Services

Understanding Network Time Protocol

Logging Services

Simple Network Management Protocol

Introducing NetFlow

Flexible NetFlow

Understanding Cisco IOS Embedded Event Manager

Using Network Analysis Tools

Troubleshooting Concepts

Network Troubleshooting Procedures: Overview

Network Troubleshooting Procedures: Case Study

Basic Hardware Diagnostics

Filtered Show Commands


Switched Port Analyzer(SPAN) Overview


Encapsulated Remote Switched Port Analyzer(ERSAPN)

Cisco Packet Capture Tools Overview

Implementing Infrastructure Security

ACL Overview

ACL Wildcard Masking

Types of ACLs

Configure Numbered Access Lists

Use ACLs to Filter Network Traffic

Apply ACLs to Interfaces

Configured Named Access Lists

Control Plane Overview

Control Plane Policing

Implementing Secure Access Control

Securing Device Access

AAA Framework Overview

Benefits of AAA Usage

Authentication Options


Enabling AAA and Configuring a Local User for Fallback

Configuring RADIUS for Console and VTY Access

Configuring TACACS+ for Console and VTY Access

Configure Authorization and Accounting

Understanding Enterprise Network Security Architecture (Self-study)

Explore Threatscape

Intrusion Prevention Systems

Virtual Private Networks

Content Security


Endpoint Security

Personal Firewalls

Antivirus and Antispyware

Centralized Endpoint Policy Enforcement

Cisco AMP for Endpoints

Firewall Concepts



Identity Management

802.1X for Wired and Wireless Endpoint Authentication

MAC Authentication Bypass

Web Authentication

Exploring Automation and Assurance Using Cisco DNA Center (Self-study)

Need for Digital Transformation

Cisco Digital Network Architecture

Cisco Intent-Based Networking

Cisco DNA Center

Cisco DNA Assurance

Cisco DNA Center Automation Workflow

Cisco DNA Assurance Workflow

Examining the Cisco SD-Access Solution (Self-study)

Need for Cisco SD-Access

Software-Defined Access Overview

Cisco SD-Access Fabric Control Plane Based on LISP

Cisco SD-Access Fabric Control Plance Based on VXLAN

Cisco SD-Access Fabric Control Plance Based on Cisco TrustSec

Cisco SD-Access Fabric Components

Role of Cisco ISE and Cisco DNA Center in SD-Access

Cisco SD-Access Wireless Integration

Traditional Campus Interoperating with Cisco SD-Access

Understanding the Working Principles of the Cisco SD-WAN Solution (Self-study)

Need for Software Definer Networking for WAN

SD-WAN Components

SD-WAN Orchestration Plane

SD-WAN Management Plane

SD-WAN Control Plane

SD-WAN Data Plane

SD-WAN Automation and Analytics

Understanding the Basics of Python Programming (Self-study)

Describe Python Concepts

String Data Types

Numbers Data Types

Boolean Data Types

Script Writing and Execution

Analyze Code

Introducing Network Programmability Protocols (Self-study)

Configuration Management

Evolution of Device Management and Programmability

Data Encoding Formats

Data Models

Model Driven Programmability Stack

Describe YANG



Explain NETCONF and YANG

Describe the RESTCONF Protocol

Cisco IOS XE and IOS XR Systems Overview

Introducing APIs in Cisco DNA Center and vManage (Self-study)

Application Programming Interfaces

REST API Response Codes and Results

REST API Security

API in DNA-Center

REST API in vManage


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Duration: 5 days

Price: £2,995.00 exc. VAT 

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