Starting with the next version v1.2, Ostinato will allow you to specify traffic load as a % of line rate.

That's not all. A host of minor but useful changes have also been made to the above UI -

Shows the line rate/speed (for easy reference when using load %)
The port bitrate unit changes automatically to Kbps/Mbps/Gbps, as required - no need to count the number of digits anymore!
You can also specify the unit during input e.g. "100Mbps" or the shorter "100m"

Frame rate is still shown in units of "pps" to enable specifying rates at a high resolution. But you can specify input units of "kpps" or "mpps" for convenience. For more details, see this twitter thread where I posted updates as I implemented all of this.

I'm currently posting updates on twitter about bulk editing multiple streams - another much-asked-for-feature that I'm working on currently. This will allow an easy way to rewrite IP or Mac addresses for multiple packets/streams after importing a PCAP file.

Srivats (Founder, Ostinato)

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