Re: [openstack-dev] [neutron][kilo] - vxlan's max bandwidth

2016-04-20 14:53 GMT+09:00 Ihar Hrachyshka : > Ian Wells wrote: > >> >> Right. Note that custom MTU works out of the box only starting from >> Mitaka. >> >> It's been in from at least Kilo (give or take a some bugfixes, it seems, >> all of which

Re: [openstack-dev] [neutron][kilo] - vxlan's max bandwidth

Ian Wells wrote: Right. Note that custom MTU works out of the box only starting from Mitaka. It's been in from at least Kilo (give or take a some bugfixes, it seems, all of which deserve backporting). It never worked as you would expect, though indeed a lot of

Re: [openstack-dev] [neutron][kilo] - vxlan's max bandwidth

I like larger MTUs, and used to call stateless offloads like TSO/GSO "Poor man's Jumbo Frames" but if you can get the stateless offloads going, you can go beyond the savings one gets from JumboFrames because a TSO/GSO/GRO "segment" can end-up being semi-effectively 32-64KB. rick jones PS -

Re: [openstack-dev] [neutron][kilo] - vxlan's max bandwidth

On 18 April 2016 at 04:33, Ihar Hrachyshka wrote: > Akihiro Motoki wrote: > > 2016-04-18 15:58 GMT+09:00 Ihar Hrachyshka : >> >>> Sławek Kapłoński wrote: >>> >>> Hello, What MTU have You got configured

Re: [openstack-dev] [neutron][kilo] - vxlan's max bandwidth

Hello, We made it exactly in that way on vms :) -- Best regards / Pozdrawiam Sławek Kapłoński sla...@kaplonski.pl On Mon, 18 Apr 2016, Akihiro Motoki wrote: > 2016-04-18 15:58 GMT+09:00 Ihar Hrachyshka : > > Sławek Kapłoński wrote: > > > >> Hello, >

Re: [openstack-dev] [neutron][kilo] - vxlan's max bandwidth

Akihiro Motoki wrote: 2016-04-18 15:58 GMT+09:00 Ihar Hrachyshka : Sławek Kapłoński wrote: Hello, What MTU have You got configured on VMs? I had issue with performance on vxlan network with standard MTU (1500) but when I

Re: [openstack-dev] [neutron][kilo] - vxlan's max bandwidth

2016-04-18 15:58 GMT+09:00 Ihar Hrachyshka : > Sławek Kapłoński wrote: > >> Hello, >> >> What MTU have You got configured on VMs? I had issue with performance on >> vxlan network with standard MTU (1500) but when I configured Jumbo >> frames on vms and on

Re: [openstack-dev] [neutron][kilo] - vxlan's max bandwidth

Sławek Kapłoński wrote: Hello, What MTU have You got configured on VMs? I had issue with performance on vxlan network with standard MTU (1500) but when I configured Jumbo frames on vms and on hosts then it was much better. Right. Note that custom MTU works out of the

Re: [openstack-dev] [neutron][kilo] - vxlan's max bandwidth

Hello, What MTU have You got configured on VMs? I had issue with performance on vxlan network with standard MTU (1500) but when I configured Jumbo frames on vms and on hosts then it was much better. -- Best regards / Pozdrawiam Sławek Kapłoński sla...@kaplonski.pl On Fri, 15 Apr 2016, Rick

Re: [openstack-dev] [neutron][kilo] - vxlan's max bandwidth

On 04/14/2016 07:10 PM, Kenny Ji-work wrote: Hi all, In the environment of openstack kilo, I test the bandwidth in the scene which VxLan being used. The result show that the vxlan can only support up to 1 gbits bandwidth. Is this a bug or any else issue, or is there some hotfix to solve the

Re: [openstack-dev] [neutron][kilo] - vxlan's max bandwidth

How did you test it out? Would you elaborate on this more? Cheers, Shinobu On Fri, Apr 15, 2016 at 11:10 AM, Kenny Ji-work wrote: > Hi all, > > In the environment of openstack kilo, I test the bandwidth in the scene > which VxLan being used. The result show that the vxlan