Packet capture to analysis the tinc connection close

[Guus Sliepen]

On Tue, Sep 05, 2017 at 12:27:59PM +0800, Bright Zhao wrote:

> Recently, one of my tinc client always suffer connection drop, I was suspect the connection was not stable to cause this issue, and BTW, I’ve set the PingTimeout to 10 seconds already, but this situation still happens a lot sometimes, but when the connection drop happens, the connection recovery pretty fast, normally in a minutes.
[...]
> As you saw from https://ibb.co/mRyG3a <https://ibb.co/mRyG3a>, the connection get drop and re-establish very frequently,

It looks like it happens almost exactly 10 minutes after a connection
was established. I suspect that there is a firewall or NAT device in
front of the client that drops any TCP connection after 10 minutes,
regardless of whether there was any recent traffic over that connection
or not. There is not much tinc can do about that, besides reconnecting
when it happens.

-- 
Met vriendelijke groet / with kind regards,
     Guus Sliepen <guus at tinc-vpn.org>
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