2016-10-17 3:27 GMT+08:00 David Sommerseth <open...@sf.lists.topphemmelig.net>:
> On 15/10/16 15:34, Gert Doering wrote:
>> Hi,
>> On Sat, Oct 15, 2016 at 08:47:38PM +0800, Hongyi Zhao wrote:
>>>>> Can I preserve the tun device from being deleted on the client side after
>>>>> the connection was closed or the server side is unavailable?
>>>> Depends on the operating system used, but generally yes.
>>> I use Debian and always find that the tun device will be deleted
>>> automatically after the server side is down/unavailable/closed.
>>> So, how can I preserve that tun device for my case?
>> precreate:
>> $ openvpn --mktun tun4
>> and then use that
>> $ openvpn --dev tun4 ...
>> (on BSDs, one would do "ifconfig tun4 create", but Linux' ifconfig cannot
>> do that)
> openvpn --mktun is the "light weight" approach which works quite well on
> Linux, especially when you want to use it for OpenVPN tasks.
> Otherwise there is tunctl which can be used to create tun/tap devices
> which can also set a few more advanced options, which generally do not
> make much of a difference for OpenVPN configurations.

Thanks for letting me know this tool.


> --
> kind regards,
> David Sommerseth

Hongyi Zhao <hongyi.z...@gmail.com>
Xinjiang Technical Institute of Physics and Chemistry
Chinese Academy of Sciences
GnuPG DSA: 0xD108493

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