Overview

Introduction

The Troubleshoot Network Connectivity Issues using ICMP Echo-Based IP SLA module provides you with the instructions and Cisco hardware to develop your hands on skills in configuring a Service Level Agreement ICMP Echo operation to monitor end to end response times to determine how the network is performing. This module includes exercises that will cover the following topics:

  • Configure an ICMP echo-based IP SLA operation
  • Modify an existing SLA operation

Exercise 1 - Configuring ICMP IP SLA

ICMP IP SLA is a mechanism available to Cisco IOS devices that is capable of monitoring network connectivity and performance. The feature can be configured to examine several parameters of the operation such that if any of those fall below the specified threshold, a specific event is triggered, such as an SNMP trap, the incrementing of SLA statistics or a syslog message.

In this exercise, you will configure an ICMP IP SLA operation and observe its functionality.

In order to define an ICMP IP SLA, you must first determine the following:

  • On what device will it be defined?
  • What will be the destination of the echo request that will be tested?
  • How often will the test be executed?
  • For how long will the test be executed?

Exercise 2 - Modifying an ICMP IP SLA Operation

Once an SLA operation is functioning, it is not possible to modify it. In this exercise, you will learn how to modify such an operation and what other options are available as well.

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