Overview

Introduction

The Configure and Verify Device Management module provides you with the instructions and Cisco hardware to develop your hands on skills in managing Cisco devices and configuring key network services. This module includes exercises that will cover the following topics:

  • Configuring device monitoring features
  • Backing up and restoring device configurations
  • Configuring and understanding device discovery protocols

Exercise 1 - Configuring Device Monitoring

Routers and switches have a small log buffer by default where they store syslog messages. The size of the buffer can be increased. However, it is not considered good practice to store thousands of log entries on the device itself. Increasing the buffer size somewhat from the default is quite useful. Still, it is more practical to have log entries to go to a dedicated logging server that has large storage space such that you can view events that have happened on a device over a long period of time.

Configuring a syslog server is straightforward. You will use PLABCSCO01 as the server to which logs will be sent, and you will configure NYEDGE1 to function as the log source.

Exercise 2 - Backup and Restore Configurations

When configuring a Cisco device, it is always good practice to make backups of its configuration on a regular basis. This can be configured automatically, or it can be done manually.

In this exercise, you will manually back up the configuration of the NYEDGE1 router to a TFTP server on PLABCSCO01. You will then restore it to the NYEDGE1 router.

Exercise 3 - Configuring and Understanding CDP and LLDP

The Cisco Discovery Protocol or CDP is a device discovery protocol that runs over Layer 2 on all Cisco-manufactured devices. CDP allows network management applications to automatically discover and learn about other Cisco devices connected to the network.

To support non-Cisco devices and to allow for interoperability with other devices, the Link Layer Discovery Protocol or LLDP is used. It is an IEEE standard neighbor discovery protocol (802.1ab) for network devices to advertise information about themselves to other devices on the network. This protocol runs over Layer 2 as well and allows two systems running different network layer protocols to learn about each other.

In this exercise, you will configure both CDP and LLDP and understand how they function.

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