From: Mohammed Gamal <mga...@redhat.com> Date: Tue, 17 Oct 2017 16:33:43 +0200
> Currently the vmxnet3 driver has a minimum MTU value of 60. Which > goes against the RFC791 spec which specifies it at 68. > > Setting MTU to values between 60 <= MTU <= 67 causes the network > interface to lose its IP, and it fails to restart. > > This sets the minimum value to ETH_MIN_MTU (68) which is compatible > with is according to spec. > > Reported-by: Bo Yang <boy...@redhat.com> > Signed-off-by: Mohammed Gamal <mga...@redhat.com> There are protocols other than IPv4, and as Andrew mentioned the ipv4 stack does the right thing by disabling ipv4 on an interface when the MTU is too small.
