Packet reordering problem?

[Guus Sliepen]

On Thu, Apr 30, 2015 at 02:55:59PM +0200, Armin Schindler wrote:

> we are using tinc 1.0.24 with 6 hosts (endpoints).
> Quality of service is used with prio qdisc on all network
> interfaces. This means depending on the TOS value of the IP header
> IP-packets will get a priority queue on the network interface.
> 
> Packets from TINC (UDP 655) maybe reordered using these queues to
> send out high-prio (VoIP) packets first.
> Could this create a problem on the receiving tincd?
> I guess the sequence number is checked here, right?

Tinc checks the sequence number, but allows reordering up to a certain
number of packets. Have a look at the ReplayWindow configuration option
in the manual:

http://tinc-vpn.org/documentation/Main-configuration-variables.html#index-ReplayWindow

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