I want to install multiple OpenVPN instance on one machine(Centos), and it seems that each instance needs a unique subnet, and how to do this? And how to install multiple tap/tun
1 Answer
The subnet part is pretty straightforward, your "--server" directive lists the subnet involved:
http://openvpn.net/index.php/open-source/documentation/manuals/65-openvpn-20x-manpage.html
There are a bunch of things you need to do when running multiple instances, see this page:
http://www.imped.net/oss/misc/openvpn-2.0-howto-edit.html
(search for "multiple OpenVPN instances")
I don't think you have to do anything special to create the tun1 device I think OpenVPN does it for you on CentOS but I'm not sure about that.
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1Thanks, I found openvpn --mktun could create a new tun adapter, and which could solve this problem, thanks.– spaceleeMay 21, 2011 at 8:31