Hi Kusuma, Unfortunately, we don’t have any builtin udp test tool that’s resilient to losses. The one you’re trying does work in half-duplex (no-return option) but only if the first packets are not lost, i.e., aven arp entries must be resolved before starting the test.
Regards, Florin > On Mar 27, 2020, at 9:01 AM, Kusuma DS <kusumanjal...@gmail.com> wrote: > > Hi Florin, > > Thank you for your reply. > > Tried with the "no-return" option half-duplex mode is working fine. > Which builtin application is best for testing UDP traffic in vpp? > > Regards, > Kusuma > > On Fri, Mar 27, 2020 at 8:01 PM Florin Coras <fcoras.li...@gmail.com > <mailto:fcoras.li...@gmail.com>> wrote: > Hi Kusuma, > > Connection oriented transports, i.e., tcp, tls and quic, for the echo clients > are probably often tested, udp most probably not (especially with loss). In > your case, you are also trying echo clients in full-duplex mode and that’s > most probably not going to work with udp. Try adding “no-return” option. > > Also, echo clients only works with one transport at a time. > > Regards, > Florin > > >> On Mar 27, 2020, at 2:27 AM, Kusuma DS <kusumanjal...@gmail.com >> <mailto:kusumanjal...@gmail.com>> wrote: >> >> Hi, >> >> Tried TCP with 2 different ports with one application, its working fine. >> >> Facing issue with the UDP in the built in echo server and echo client >> program. >> >> echo client is getting aborted, please check below logs. >> >> DBGvpp# test echo clients uri udp://10.10.1.2/9999 <http://10.10.1.2/9999> >> 1 three-way handshakes in 0.00 seconds 3409.91/s >> Test started at 131.410427 >> /home/vm2/03242020/src/plugins/hs_apps/echo_client.c:195 >> (receive_data_chunk) assertion `n_read <= s->bytes_to_receive' fails >> Aborted (core dumped) >> Makefile:559: recipe for target 'run' failed >> make: *** [run] Error 134 >> >> Am not sure why this problem is coming for UDP? >> >> please let me know. >> >> Regards, >> Kusuma >> >> >> On Fri, Mar 27, 2020 at 11:42 AM Florin Coras <fcoras.li...@gmail.com >> <mailto:fcoras.li...@gmail.com>> wrote: >> Hi Kusuma, >> >> Any idea why? Did you check with “sh session verbose” if the listen session >> were properly initialized? >> >> Which of the connects failed? Both or just one of the protocols? >> >> Regards, >> Florin >> >>> On Mar 26, 2020, at 6:40 PM, Kusuma DS <kusumanjal...@gmail.com >>> <mailto:kusumanjal...@gmail.com>> wrote: >>> >>> Yes, I did. >>> >>> Faced couple of issues, I have called vnet_listen call for both tcp and >>> udp, with same ip address and port. >>> >>> I was not able to connect the server. >>> >>> Regards, >>> Kusuma >>> >>> >>> On Thu, 26 Mar, 2020, 10:56 PM Florin Coras, <fcoras.li...@gmail.com >>> <mailto:fcoras.li...@gmail.com>> wrote: >>> Hi Kusuma, >>> >>> You should be able to. The echo server is just a simple application we use >>> internally for testing. >>> >>> Have you tried it and hit any issues? >>> >>> Regards, >>> Florin >>> >>> > On Mar 26, 2020, at 10:16 AM, Kusuma DS <kusumanjal...@gmail.com >>> > <mailto:kusumanjal...@gmail.com>> wrote: >>> > >>> > Hi, >>> > >>> > Can we use udp and tcp server in same application. >>> > For ex : Existing echo server will handle only one transport server at a >>> > time. >>> > >>> > I want to use both udp and tcp on same port but with the single >>> > application attach. >>> > >>> > As in linux we will use udp and tcp with select call. >>> > >>> > Is it possible to do like this in vpp? >>> > >>> > Regards, >>> > Kusuma >>> > >>> >> >> >
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