collisions on tun interfaces ...
YongHyeon PYUN
pyunyh at gmail.com
Sat Apr 30 20:44:27 UTC 2011
On Sat, Apr 30, 2011 at 11:35:22PM +0800, Adrian Chadd wrote:
> On 30 April 2011 02:56, YongHyeon PYUN <pyunyh at gmail.com> wrote:
>
> > Sending lots of packets within short interval may overflow
> > interface's send queue. Try sending UDP packets with netperf and
> > see what counters are changed during the test with something like
> > "netstat -ndI tun0 -w 1".
>
> The default sendq is 50. What about considering bumping that?
>
It's tunable. Set net.link.ifqmaxlen.
>
> Adrian
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