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LEARNING OPENSTACK NETWORKING (NEUTRON)

LEARNING OPENSTACK NETWORKING (NEUTRON)

By : James Denton
4.2 (17)
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LEARNING OPENSTACK NETWORKING (NEUTRON)

LEARNING OPENSTACK NETWORKING (NEUTRON)

4.2 (17)
By: James Denton
Buy this Book

Overview of this book

If you are an OpenStack-based cloud operator with experience in OpenStack Compute and nova-network but are new to Neutron networking, then this book is for you. Some networking experience is recommended, and a physical network infrastructure is required to provide connectivity to instances and other network resources configured in the book.
Table of Contents (12 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
Lock Free Chapter
1
1. Preparing the Network for OpenStack
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1. Preparing the Network for OpenStack
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What is OpenStack Networking?
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Preparing the physical infrastructure
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Physical server connections
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Summary
2
2. Installing OpenStack
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2. Installing OpenStack
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System requirements
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Before you begin
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Installation of OpenStack
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Summary
3
3. Installing Neutron
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3. Installing Neutron
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Basic Neutron constructs
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Installing and configuring Neutron services
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Configuring Neutron services
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Summary
4
4. Building a Virtual Switching Infrastructure
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4. Building a Virtual Switching Infrastructure
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Providing layer 2 connectivity to instances
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Types of networks in Neutron
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Choosing a networking plugin
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Configuring a layer 2 networking plugin
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Summary
5
5. Creating Networks with Neutron
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5. Creating Networks with Neutron
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Network management
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Attaching instances to networks
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Exploring how instances get their addresses
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Exploring how instances retrieve their metadata
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Summary
6
6. Creating Routers with Neutron
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6. Creating Routers with Neutron
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Configuring the Neutron L3 agent
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Router management in the CLI
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Network Address Translation
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Floating IP Management
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Demonstrating traffic flow from instance to Internet
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Router management in the dashboard
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Summary
7
7. Load Balancing Traffic in Neutron
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7. Load Balancing Traffic in Neutron
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Fundamentals of load balancing
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Integrating load balancers into the network
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Installing LBaaS
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Load balancer management in the CLI
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Building a load balancer
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Load balancer management in the dashboard
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Summary
8
8. Protecting Instances on the Network
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8. Protecting Instances on the Network
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Security groups in OpenStack
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Firewall-as-a-service
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Introducing iptables
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Working with security groups
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Working with FWaaS
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Firewall rules – behind the scenes
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Summary
9
A. Additional Neutron Commands
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A. Additional Neutron Commands
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Neutron extensions
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Virtual private networks
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Per-tenant quotas
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Cisco Nexus 1000V command reference
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VMware/Nicera command reference
10
B. ML2 Configuration
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B. ML2 Configuration
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Installing the ML2 plugin
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Configuring the ML2 plugin
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Index
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Index

Working with security groups

Security groups can be managed in either the Neutron CLI or the Horizon dashboard. Both offer a pretty complete experience and are broken down in the following sections.

Managing security groups in the CLI

From within the Neutron command-line client, a number of commands can be used to manage security groups, such as:

  • security-group-create

  • security-group-delete

  • security-group-list

  • security-group-rule-create

  • security-group-rule-delete

  • security-group-rule-list

  • security-group-rule-show

  • security-group-show

  • security-group-update

Creating security groups in the CLI

To create a security group within the CLI, use the Neutron security-group-create command as follows:

Syntax: security-group-create [--tenant-id TENANT_ID]
[--description DESCRIPTION] NAME

Note

By default, security groups in Neutron are prepopulated with two egress rules that allow all outbound traffic over IPv4 and IPv6. Inbound traffic is not permitted by default.

Deleting security groups in the CLI

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