Book Image

Cisco ACI Cookbook

By : Stuart Fordham
Book Image

Cisco ACI Cookbook

By: Stuart Fordham

Overview of this book

Cisco Application Centric Infrastructure (ACI) is a tough architecture that automates IT tasks and accelerates data-center application deployments. This book focuses on practical recipes to help you quickly build, manage, and customize hybrid environment for your organization using Cisco ACI. You will begin by understanding the Cisco ACI architecture and its major components. You will then configure Cisco ACI policies and tenants. Next you will connect to hypervisors and other third-party devices. Moving on, you will configure routing to external networks and within ACI tenants and also learn to secure ACI through RBAC. Furthermore, you will understand how to set up quality of service and network programming with REST, XML, Python and so on. Finally you will learn to monitor and troubleshoot ACI in the event of any issues that arise. By the end of the book, you will gain have mastered automating your IT tasks and accelerating the deployment of your applications.
Table of Contents (17 chapters)
Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface

Configuring SNMP


So far in this chapter, we have looked at the GUI to get information on faults and events. These do, however, require someone to be watching and actively looking for them. We should be a little more proactive and have such details sent to a centralized monitoring platform. We will start by configuring Simple Network Management Protocol (SNMP), which when combined with a suitable Network Management Station (NMS), such as Zabbix or Nagios, will allow us to receive alerts by e-mail, SMS, or any other number of methods.

Note

Try to keep the community string simple. Originally, I used the community string ACI-Community. After many hours trying to troubleshoot the lack of SNMP output, I asked on the Cisco support forums and Tomas De Leon suggested changing it. Once I set it to cisco123, everything started to work. 

Getting ready

We do need a couple of things set up before SNMP will workL

  • An out-of-band contract in the mgmt tenancy, permitting SNMP traffic (UDP/161). This should already...