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Is it possible to make a GRE tunnel between a dedicated linux machine and a vmware vsphere guest VM (running debian wheezy)?

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closed as not a real question by Michael Hampton, Ward, Falcon Momot, MadHatter, Chopper3 May 26 '13 at 12:12

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

The answer to this question is "Yes". But a one word answer is too short for a real answer, so I'm suggesting that you elaborate on your question with details on why you think it might not work and what your actual question is. – Jed Daniels May 26 '13 at 2:31
Unless your question is concerning the actual virtualisation itself, the answer to any "can I... on a virtual machine..." question is nearly always the same as it would have been if the question was asked about non-virtual machines. – RobM May 26 '13 at 13:10
up vote 1 down vote accepted

Yes, of course it's possible.

A virtual machine runs the same kernel as a physical machine, has the same network stack, and the same concept of a network interface which its traffic goes in and out of.

The VMWare vSwitch is a software implementation of a network switch, so is the Linux bridge driver used in KVM.

If you search Google for "linux gre tunnel" you'll find many copy-paste examples.

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