I have also updated to CS 4.2, and has limit of 200 Mb/s on public net for guests, and from virsh, this is a section:
*<model type='e1000'/>* * <bandwidth>* * <inbound average='25600' peak='25600'/>* * <outbound average='25600' peak='25600'/>* * </bandwidth>* So seems fine... On 29 October 2013 07:33, Jijun <[email protected]> wrote: > > Hi Lucian, >> >> For now I have disabled it by setting the compute offerings to bandwidth >> limit to 0. This removes the bandwidth section from KVM XML. >> >> When my compute offering is set to 1000, the following XML is created (via >> virsh dumpxml i-2-xx-VM) >> <bandwidth> >> <inbound average='128000' peak='128000'/> >> <outbound average='128000' peak='128000'/> >> </bandwidth> >> >> This seems to give the bandwidth of around 2.5Mbit/s (using iperf to check >> against a physical server). >> > as describe it here: > > http://libvirt.org/**formatnetwork.html<http://libvirt.org/formatnetwork.html> > > the unit of inbound and outbound is kilobytes per second, > > 128000 KB/s divide 1024 = 125MB/s > and the compute offering is 1000 Mb/s > 1000Mb/s divide 8 = 125MB/s > > so i think the value 128000 is right . > > > > > > > > > Setting the compute offering to something else (I can't remember sorry!) >> it >> gave: >> <bandwidth> >> <inbound average='640000' peak='640000'/> >> <outbound average='640000' peak='640000'/> >> </bandwidth> >> But it gave a bandwidth of 1.32Mbit/s >> >> >> This is a tad odd, surely a higher value should result in more bandwidth >> being allowed through? >> >> Thanks, >> Marty >> >> >> >> On Mon, Oct 28, 2013 at 11:56 AM, Nux! <[email protected]> wrote: >> >> On 28.10.2013 11:18, Marty Sweet wrote: >>> >>> Hi Guys, >>>> >>>> Following my upgrade from 4.1.1 -> 4.2.0, I have noticed that VM traffic >>>> is >>>> now limited to 2Mbits. >>>> My compute offerings were already 1000 for network limit and I have >>>> created >>>> new offerings to ensure this wasn't the issue (this fixed it for someone >>>> in >>>> the mailing list). >>>> >>>> Is there anything that I am missing? I can't remember reading this as a >>>> bug >>>> fix or new feature. >>>> If there is a way to resolve or disable it, it would be most >>>> appreciated - >>>> have been going round in circles for hours. >>>> >>>> Thanks, >>>> Marty >>>> >>>> Hi Marty, >>> >>> I think on Linux "tc" is the tool used to limit traffic. Have a look at >>> this for a crashcourse and see if it helps you find the culprit: >>> http://www.cyberciti.biz/faq/****linux-traffic-shaping-using-****<http://www.cyberciti.biz/faq/**linux-traffic-shaping-using-**> >>> tc-to-control-http-traffic/<ht**tp://www.cyberciti.biz/faq/** >>> linux-traffic-shaping-using-**tc-to-control-http-traffic/<http://www.cyberciti.biz/faq/linux-traffic-shaping-using-tc-to-control-http-traffic/> >>> > >>> >>> HTH >>> Lucian >>> >>> -- >>> Sent from the Delta quadrant using Borg technology! >>> >>> Nux! >>> www.nux.ro >>> >>> > > -- > Thanks, > Jijun > > -- Andrija Panić -------------------------------------- http://admintweets.com --------------------------------------
