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Definitive layer 3 switching for engineers  |    A 2 day   hands on   training course

Layer 3 switching training course description

A hands on switching course for those already familiar with the basics of Ethernet switching. The course focuses on L3 switching along with the QoS and security features that layer 3 switches can add to the network.

What will you learn
  • Explain how layer 3 switches work.
  • Troubleshoot layer 3 switching.
  • Implement QoS on switches.
  • Secure networks with L3 switches.
Layer 3 switching training course details

Layer 3 switching training course contents

  • Switches
  • Switch review, VLANs, inter VLAN routing.
    Hands on VLANs and tagging, separating networks with routers.

  • VLANs and IP addressing
  • IP addresses, subnet masks, default gateways.
    Hands on L3 switches and VLANs

  • What are layer 3 switches
  • Routers in switches, configuring a switch to route, switch ports, router ports, when to switch, when to route. What is the difference between a router and a L3 switch?
    Hands on Analysing packet flows through a L3 switch.

  • L3 switches and static routes
  • Why use static routes? Default routes.
    Hands on Configuring static routes.

  • L3 switches and routing protocols
  • RIP, OSPF.
    Hands on RIP, OSPF.

  • First hop redundancy
  • Default gateways, VRRP/HSRP/GBLP. Load sharing, critical IP addresses. Interaction between STP and L3 redundancy
    Hands on VRRP.

  • Multicasting and L3 switches
  • IGMP, IGMP snooping, multicasts and routers, PIM.
    Hands on Multicasts between VLANs.

  • IPv6
  • IPv6 and L2 switches, IPv6 and L3 switches.
    Hands on Adding IPv6 into the network.

  • QoS
  • DSCP, 802.1Q, 802.1p, mapping, classification, policy, Ingress queues, Egress queues. Dropping frames, limiting bandwidth.
    Hands on Voice through switches.

  • Security
  • Layer 2 security, filtering at layer 3.
    Hands on Controlling inter VLAN traffic.

Learning path



Based on customer ratings

J. S. - Framestore CFC

"Hard concepts were explained very simply"

B. M. - London Internet Exchange

"Excellent presentation - very good course structure."

Training approach

This structured training course seeks to build upon workbook learning through the use of group exercises, dynamic discussion and individual tasks in order to deliver an engaging and interactive module that will ensure all candidates are able to transfer their new skills into the workplace.