There is a new 0.12 release of ibsim. https://github.com/linux-rdma/ibsim/releases/tag/ibsim-0.12 New features since 0.11: Fixed NDR related issues. Fixed LFT array size. All component versions are from recent master branch. Full list of changes are below. Aleksandr Minchiu (3): ibsim/sim.h: Increase LFT size to 48K ibsim/sim_net.c: Assume QDR speed when port speed is 0 ibsim/ibsim.c: Bump version to 0.12 Daniel Klein (2): ibsim/sim_net.c: Support NDR when parsing enhance ibnetdiscover ibsim/sim_net.c: Enable IsLinkSpeedNDRSupported bit in PortInfo AlexMinchiu (1): Merge pull request #33 from AlexMinchiu/increase_lft_size