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OpenStack Networking Cookbook

You're reading from   OpenStack Networking Cookbook Harness the power of OpenStack Networking for public and private clouds using 90 hands-on recipes

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Product type Paperback
Published in Oct 2015
Publisher
ISBN-13 9781785286100
Length 282 pages
Edition 1st Edition
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Authors (2):
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Sriram Subramanian Sriram Subramanian
Author Profile Icon Sriram Subramanian
Sriram Subramanian
Chandan Dutta Chandan Dutta
Author Profile Icon Chandan Dutta
Chandan Dutta
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Toc

Table of Contents (14) Chapters Close

Preface 1. Getting Started with OpenStack Networking FREE CHAPTER 2. Using Open vSwitch for VLAN-Based Networks 3. Exploring Other Network Types in Neutron 4. Exploring Overlay Networks with Neutron 5. Managing IP Addresses in Neutron 6. Using Routing Services in Neutron 7. Using Neutron Security and Firewall Services 8. Using HAProxy for Load Balancing 9. Monitoring OpenStack Networks 10. Writing Your Own Neutron ML2 Mechanism Driver 11. Troubleshooting Tips for Neutron 12. Advanced Topics Index

Troubleshooting a VM that does not get an initial configuration

Once the VM boots up, it receives its IP address from the DHCP server. The VM then queries the metadata service in order to get additional configuration data for its initial configuration. During its first boot, the VM tries to receive its configuration by connecting to the metadata server at a well-known IP address of 169.254.169.254 on Port 80. In this recipe, we will learn how to troubleshoot metadata service related problems.

Getting ready

For this recipe, you will need the following information:

  • SSH-based login credentials for the Controller and Network node
  • SSH-based login credentials for the Compute node

How to do it…

The following steps will show you how to check the health of the metadata service for a virtual network:

  1. With the appropriate credentials, SSH into the Network node. In our setup, it will be the Controller and Network node.
  2. Make sure that the metadata agent is running on the Network node using the following...
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