How to setup GRE tunnel in CentOS 7 linux
In today article, we want to show how to setup GRE tunnel in CentOS 7 linux.
as you may know, GRE stands for generic routing protocol, created by Cisco and is a tunneling protocol that can encapsulate a wide variety of network layer protocols inside virtual point-to-point links or point-to-multipoint links over an Internet Protocol network.
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centos 7
