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You're reading from  Troubleshooting OpenStack

Product typeBook
Published inMar 2016
Publisher
ISBN-139781783986880
Edition1st Edition
Tools
Ubuntu ServerOpenStack
Concepts
Cloud Computing
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Author (1)
Tony Campbell
Tony Campbell
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Tony Campbell

Tony Campbell grew up in the heart of Silicon Valley where he had access and exposure to many technology companies that led the Internet boom. He started programming in the early 90s and has been hooked since then. Tony is committed to helping others understand and successfully adopt OpenStack.
Read more about Tony Campbell

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Common problems

In this section, we will examine some of the common networking problems that you might face in an OpenStack cluster. We will provide steps to troubleshoot issues, and we will offer potential solutions to resolve the issue. It's worth repeating that there are multiple ways to configure Neutron, so the steps you take to solve the following issues may be slightly different depending on your installation. However, these steps should be useful to point you in the right direction.

When you can't ping an instance

If you have an active instance that you can't ping, there are a few things you want to check out. Working your way through the following steps should help you identify and correct the problem.

Security groups

Neutron uses security groups to control the access to instances. The access is controlled through IP filtering. Security groups are similar to ip tables rules of the instance. You can view a list of security groups by running this:

neutron security-group-list

On running...

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Troubleshooting OpenStack
Published in: Mar 2016Publisher: ISBN-13: 9781783986880
© 2016 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Tony Campbell

Tony Campbell grew up in the heart of Silicon Valley where he had access and exposure to many technology companies that led the Internet boom. He started programming in the early 90s and has been hooked since then. Tony is committed to helping others understand and successfully adopt OpenStack.
Read more about Tony Campbell

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