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    Summary

      Send IGMP - without using Ostinato
      Oct 7, 2021
      Long before Ostinato was born, I wrote another packet generator. It was command-line and sent only IGMP messages - join, leave, query.It allowed you to not just send these packets, but also to optionally specify values for the MRT and CKSUM fields. And...
      Generate IMIX traffic
      Sep 16, 2021
      IMIX or Internet Mix traffic profile is supposed to represent typical Internet traffic. While that is debatable, IMIX is still useful as a benchmark for comparison.Wikipedia article on IMIX talks about the Simple IMIX profile. Simple IMIX...
      How to open PCAP files in Ostinato on EVE-NG and GNS3
      Sep 8, 2021
      Did you know Ostinato packages are available for the popular learning and labbing platfoms - EVE-NG and GNS3?While the Ostinato usage on these platforms is same as when you run it directly, there's one particular case when you need to do things...
      Geneve
      Sep 2, 2021
      VxLAN, NVGRE, STT.You'd think we have enough L2 tunnelling encapsulations for the overlay world. But, you'd be wrong.The new kid on the block is Geneve - Generic Network Virtualization Encapsulation. Ok, not really new - it has been under discussion in...
      Generate 💻 application traffic for SDWAN testing
      Aug 31, 2021
      From routing protocols to policy based routing to now SDWAN application aware routing - we have come a long way.Although Ostinato cannot generate connection-oriented traffic used by most applications - to test SDWAN policies, you don't really need...
      VROOM! 🚀 at 10/25/40Gbps
      Aug 17, 2021
      High speed traffic generation at 10G, 25G or 40G line rate has been a long pending demand of Ostinato users.I'm happy to announce the Ostinato Turbo Transmit add-on that does just that. Check out the performance comparison between the current Ostinato...
      Staircase traffic with Ostinato
      Aug 3, 2021
      A few weeks ago, Ostinato user Peter asked me -I basically want to send traffic at different traffic % load for a specific interval of time. 10 seconds 10% 1G, 10 seconds 20% 1G, through 10 seconds 90% 1G and then back down to 10% and repeat. Is there...
      👨‍🏫 Networking education using Ostinato
      Dec 9, 2020
      After the Black Friday deals, we are back to our regular programming.Here are two recent blog posts about how a Cisco Networking Academy teacher and his students use Ostinato -    Ostinato improves networking students’ understanding and skill level ...
      🆕 Ostinato 1.1 is now available!
      Jun 24, 2020
      New features include cut-copy-paste, improved pcap import and replay, npcap support on Windows and a bunch of bug fixes including crash fixes. Check out the full changelog.The new version is available for free to all Ostinato super/desktop bundle...