Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Foundation learning for SWITCH 642-813

Chapter 5. Implementing High Availability and Redundancy in a Campus Network

This chapter covers the following topics:

• Understanding High Availability

• Implementing High Availability

• Implementing Network Monitoring

• Implementing Redundant Supervisor Engines in Catalyst Switches

• Understanding First Hop Redundancy Protocols

• Cisco IOS Server Load Balancing

A network with high availability provides an alternative means that enables constant access to all infrastructure paths and key servers. High availability is not just about adding redundant devices. It implies planning to understand where the points of failure occur and designing the network so that an alternative solution exists to compensate for the loss of these points of failure. ...