Designing Cisco Enterprise Networks – ENSLD 300-420

Designing Cisco Enterprise Networks – ENSLD 300-420

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5 Days

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Course Description

Course Overview

The Designing Cisco Enterprise Networks (ENSLD) course, specifically the 300-420 exam, focuses on providing participants with the knowledge and skills to design Cisco enterprise networks. This course is designed for network professionals who are responsible for designing and implementing enterprise network infrastructures using Cisco technologies. The course covers topics such as network design principles, advanced routing and switching technologies, network services, and network security.


To enroll in the ENSLD 300-420 course, participants should have a solid understanding of networking fundamentals, including TCP/IP, routing protocols, and switching technologies. Familiarity with Cisco networking technologies and a basic understanding of network services and security concepts are recommended. It is beneficial to have completed the Cisco Certified Network Associate (CCNA) certification or possess equivalent knowledge.


The ENSLD 300-420 course employs a blended learning approach, combining theoretical concepts with practical hands-on labs and interactive discussions. The course materials are delivered through instructor-led lectures, demonstrations, and real-world scenarios. Participants will engage in hands-on lab exercises and simulation tools to practice and reinforce their understanding of the course material.

Course Outline

  • Designing for Advanced Routing and Addressing
  • Analyzing routing protocols for scalable enterprise networks
  • Designing scalable IP addressing schemes
  • Implementing advanced routing protocols (OSPF, EIGRP, BGP)
  • Optimizing routing for high availability and performance
  • Designing for Advanced Switching
  • Designing scalable Layer 2 infrastructures
  • Implementing advanced switching technologies (VLANs, STP, EtherChannel)
  • Designing for high availability and redundancy in switching
  • Optimizing switching for performance and security
  • Designing for Network Services
  • Designing network services (DHCP, DNS, NTP)
  • Implementing network access control and security policies
  • Designing network QoS (Quality of Service) for optimized traffic flow
  • Incorporating network management and monitoring tools
  • Designing for Network Security
  • Identifying security threats and vulnerabilities in network design
  • Designing network security solutions (firewalls, IPS, VPN)
  • Implementing security policies and access controls
  • Ensuring network security in a multilayered approach
  • Designing for Automation and Virtualization
  • Understanding network automation and orchestration concepts
  • Designing network automation solutions using Cisco DNA Center
  • Incorporating virtualization technologies (VRF, VXLAN, NFV)
  • Designing for cloud integration and hybrid deployments

Course Outcome

Upon completion of the ENSLD 300-420 course, participants will be able to:

  • Understand network design principles and best practices.
  • Design scalable IP addressing schemes and advanced routing protocols.
  • Design scalable and redundant Layer 2 switching infrastructures.
  • Incorporate network services such as DHCP, DNS, and NTP in network design.
  • Design network security solutions and implement security policies.
  • Design network automation and virtualization solutions.


The ENSLD 300-420 course includes hands-on labs to provide participants with practical experience in designing Cisco enterprise networks. Some of the labs may include:

  • Designing and implementing scalable IP addressing schemes.
  • Configuring advanced routing protocols (OSPF, EIGRP, BGP) in a lab environment.
  • Designing and implementing VLANs, STP, and EtherChannel for switching.
  • Configuring network services (DHCP, DNS, NTP) in a lab environment.
  • Designing and implementing network security solutions (firewalls, IPS, VPN).
  • Configuring network automation using Cisco DNA Center.
  • Incorporating virtualization technologies (VRF, VXLAN) in network design.
  • Designing network integration with cloud services and hybrid deployments.

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