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> 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 >> > >> > >> > >> >> >> >> >> >> >> >> >> >> > > > -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#8468): https://lists.fd.io/g/vpp-dev/message/8468 View All Messages In Topic (8): https://lists.fd.io/g/vpp-dev/topic/14091118 Mute This Topic: https://lists.fd.io/mt/14091118/21656 New Topic: https://lists.fd.io/g/vpp-dev/post Change Your Subscription: https://lists.fd.io/g/vpp-dev/editsub/21656 Group Home: https://lists.fd.io/g/vpp-dev Contact Group Owner: vpp-dev+ow...@lists.fd.io Terms of Service: https://lists.fd.io/static/tos Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub -=-=-=-=-=-=-=-=-=-=-=-
