Great! :-) Florin
> On Mar 8, 2018, at 1:42 AM, Sara Gittlin <sara.gitt...@gmail.com> wrote: > > Florin > Thank you - i'm done - i get very good numbers with tap both for > throughput and latency > > -Sara > > On Thu, Mar 8, 2018 at 10:55 AM, Sara Gittlin <sara.gitt...@gmail.com > <mailto:sara.gitt...@gmail.com>> wrote: >> Thank you Florin and Dave >> Florin - I can create tap in vpp and tap in namespace - but how to >> connect them like veth-pair ? >> how traffic transmitted from the namespace tap will be received on >> the vpp tap ? and viceversa >> >> Dave - when i running iperf3 TCP i can see ~ 1000 pps , when i'm >> running UDP i see nothing (checking why...) >> >> Thank you in advance, >> -Sara >> >> On Wed, Mar 7, 2018 at 11:33 PM, Dave Barach <dbar...@cisco.com> wrote: >>> “show run” will probably show a very small vector size. >>> >>> >>> >>> If so, look at src/vlib/unix/input.c:linux_epoll_input(…). 10ms is exactly >>> the epoll_pwait timeout value. >>> >>> >>> >>> D. >>> >>> >>> >>> From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of Sara Gittlin >>> Sent: Wednesday, March 7, 2018 2:02 PM >>> To: vpp-dev@lists.fd.io >>> Cc: vpp-dev@lists.fd.io >>> Subject: Re: [vpp-dev] VPP As A Router Between Namespaces - 10ms latency >>> >>> >>> >>> Thank you Hau >>> >>> i tested w iperf got similar results. I cannot find iperf2. Anyway ns to ns >>> directly without vpp is perfect 50 gbps throughput and 10us latency. Tested >>> w iperf3. This is very bothering since we decided to go w vpp instead of ovs >>> >>> Thanks in advance >>> >>> -Sara >>> >>> >>> >>> >>> >>> >>> >>> בתאריך 6 במרץ 2018 20:00, "Hao Fu (haof)" <h...@cisco.com> כתב: >>> >>> I encountered the similar issue before. Try replacing iperf3 with iperf2. >>> >>> Hao >>> >>> On 3/6/18, 8:34 AM, "vpp-dev@lists.fd.io on behalf of Sara Gittlin" >>> <vpp-dev@lists.fd.io on behalf of sara.gitt...@gmail.com> wrote: >>> >>> Also the throughput is very poor - iperf3 TCP ~ 2Mbps >>> what is wrong here ? >>> >>> On Tue, Mar 6, 2018 at 6:20 PM, Sara Gittlin <sara.gitt...@gmail.com> >>> wrote: >>>> Hi, >>>> i have 2 namespaces connected with veth-pairs to vpp - see setup here >>>> >>> [https://wiki.fd.io/view/VPP/Configure_VPP_As_A_Router_Between_Namespaces] >>>> >>>> i see very big latency ~10ms when i ping between the 2 namespaces >>>> i expected to see latency in the order of 10's us >>>> ----------------------------------- >>>> 4 bytes from 172.16.2.2: icmp_seq=1005 ttl=63 time=11.5 ms >>>> 64 bytes from 172.16.2.2: icmp_seq=1006 ttl=63 time=9.60 ms >>>> 64 bytes from 172.16.2.2: icmp_seq=1007 ttl=63 time=7.55 ms >>>> 64 bytes from 172.16.2.2: icmp_seq=1008 ttl=63 time=5.52 ms >>>> 64 bytes from 172.16.2.2: icmp_seq=1009 ttl=63 time=9.60 ms >>>> 64 bytes from 172.16.2.2: icmp_seq=1010 ttl=63 time=17.6 ms >>>> 64 bytes from 172.16.2.2: icmp_seq=1011 ttl=63 time=15.5 ms >>>> 64 bytes from 172.16.2.2: icmp_seq=1012 ttl=63 time=13.6 ms >>>> 64 bytes from 172.16.2.2: icmp_seq=1013 ttl=63 time=11.6 ms >>>> 64 bytes from 172.16.2.2: icmp_seq=1014 ttl=63 time=9.54 ms >>>> 64 bytes from 172.16.2.2: icmp_seq=1015 ttl=63 time=7.67 ms >>>> 64 bytes from 172.16.2.2: icmp_seq=1016 ttl=63 time=5.56 ms >>>> 64 bytes from 172.16.2.2: icmp_seq=1017 ttl=63 time=3.44 ms >>>> >>>> ------------------------------------ >>>> >>>> Who can assist ? >>>> >>>> Thanks in advance >>>> -Sara >>>> >>>> >>>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >> >> >> > >
