Re: [Openstack-operators] [Openstack] Slow internet speed - Instances with floating IP

2017-04-04 Thread Kevin Benton
I recommend filing an issue against that speedtest-cli script. I noticed the timer seems to be started before the DNS lookup occurs (before call to urlopen). This means any DNS issues impact the measurement of what is supposed to be network throughput. On Apr 4, 2017 13:19, "John Petrini" wrote:

Re: [Openstack-operators] [Openstack] Slow internet speed - Instances with floating IP

2017-04-04 Thread John Petrini
Hi All, Turns out this was a DNS issue. The speedtest-cli script does a lot of lookups and these lookups were hanging due to parallel A and requests resulting in the unexpected results. I added the following to /etc/resolv.conf and the issue seems to be resolved. options single-request-reope

Re: [Openstack-operators] [Openstack] Slow internet speed - Instances with floating IP

2017-04-04 Thread John Petrini
Hi Mohit, The tenant networks use an MTU of 8950. The floating network uses and MTU of 9000. neutron net-show 4305e3d5-b083-4f33-a2a0-1dfccf1238b6 +---+--+ | Field | Value| +---