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Cisco ACI Cookbook

You're reading from   Cisco ACI Cookbook A Practical Guide to Maximize Automated Solutions and Policy-Drive Application Profiles

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Product type Paperback
Published in May 2017
Publisher
ISBN-13 9781787129214
Length 424 pages
Edition 1st Edition
Tools
Concepts
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Author (1):
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Stuart Fordham Stuart Fordham
Author Profile Icon Stuart Fordham
Stuart Fordham
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Toc

Table of Contents (11) Chapters Close

Preface 1. Understanding Components and the ACI Fabric FREE CHAPTER 2. Configuring Policies and Tenants 3. Hypervisor Integration (and Other Third Parties) 4. Routing in ACI 5. ACI Security 6. Implementing Quality of Service in ACI 7. Network Programmability with ACI 8. Monitoring ACI 9. Troubleshooting ACI 10. An End-to-End Example Using the NX-OS CLI

Introduction


ACI is highly extensible. Through device packages, we can add several different devices to our environment, which is referred to (in ACI terms) as service insertion.

The packages themselves are small ZIP files. Some require certain permissions from the manufacturer before you can download them (such as Citrix), whereas others just require registering your e-mail address (A10, for example).

Inside the ZIP file, we have a few different files. Taking the A10 APIC package as the example here, we have five Python files, one XML file, and one GIF image in a folder called Images. The ZIP file's size is a mere 65 KB. The XML file is, for most, going to be the easiest to understand. This file is called device_specification.xml. It starts with defining the vendor (vnsMDev) along with a package name (which is one of the Python scripts) and the version details (vmsDevScript):

<vnsDevScript name="A10" packageName="device_script.py" ctrlrVersion="1.1" minorversion="1.0” versionExpr="4.[0...
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