[ofa-general] How to Interpret MTU reported by "ibv_devinfo" vs "ifconfig ib0"

[Kumar, Amit H.]

> IPoIB is ib_ipoib. The first is the name in the IB spec. the second is
> the name of the kernel module.
> ib_ipoib just looks like another sockets network device to Linux so
> Sockets API calls work normally (you just need to use the IP address
> of the ib0 device).
> The reason a larger network MTU helps is because the Linux network
> stack is more efficient when using larger MTUs.

Okay!!
Thanks a bunch!!!