October 2015
Intermediate to advanced
282 pages
5h 40m
English
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Viewing a virtual interface on the compute node for GRE tunnels
This recipe shows you how to identify the virtual network interface used by a VM for a GRE-based virtual network. Viewing the network interface can be useful to troubleshoot the connectivity problems between the VMs and network services.
Getting ready
For this recipe, you will need the following information:
- The SSH login credentials for the node where the Neutron client packages are installed
- User-level access to OpenStack
- The name of the VM for which you want to identify the virtual interface
How to do it…
- Log in to a node with access to OpenStack.
- Import the OpenStack RC file to set up the user-level access credentials.
- Use the
nova listcommands to identify the VM instance, virtual network, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.