> What is the best tool for linux to test 400 gbps throughput in vpp ? > I want to test both ipv4 and ipv6. I tried with dpdk-testpmd and it works good with ipv4, but there is no support for ipv6 i guess. > I also tried with T-rex , but somehow t-rex source code is hard-capped at 200gbps.
Apart from commercial appliances, you can probably explore VPP packet generator [0], a custom DPDK traffic injector or using multiple ports in TRex (eg. by splitting a 400G port via SR-IOV etc). Best, ben [0] https://s3-docs.fd.io/vpp/26.10/usecases/trafficgen.html
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