Applied to master, thanks 2016-08-14 11:35 GMT-07:00 Bhanuprakash Bodireddy < bhanuprakash.bodire...@intel.com>:
> Signed-off-by: Bhanuprakash Bodireddy <bhanuprakash.bodire...@intel.com> > --- > FAQ.md | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/FAQ.md b/FAQ.md > index 2f50b96..22345c3 100644 > --- a/FAQ.md > +++ b/FAQ.md > @@ -1051,6 +1051,19 @@ A: The short answer is that this is a misuse of a > "tap" device. Use > users should not configure KVM "tap" devices as type "tap" (use > type "system", the default, instead). > > +### Q: I observe packet loss at the beginning of RFC2544 tests on a > + server running few hundred container apps bridged to OVS with traffic > + generated by HW traffic generator. How can I fix this? > + > +A: This is expected behavior on virtual switches. RFC2544 tests were > + designed for hardware switches, which don't have caches on the fastpath > + that need to be heated. Traffic generators in order to prime the > switch > + use learning phase to heat the caches before sending the actual traffic > + in test phase. In case of OVS the cache is flushed quickly and to > + accommodate the traffic generator's delay between learning and test > phase, > + the max-idle timeout settings should be changed to 50000. > + > + ovs-vsctl --no-wait set Open_vSwitch . other_config:max-idle=50000 > > ## QOS > > -- > 2.4.11 > > _______________________________________________ > dev mailing list > dev@openvswitch.org > http://openvswitch.org/mailman/listinfo/dev > _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
