do not include the reserved field when calculating sum of the BA. this may be a mistake of the spec, but we follow the spec for now.
do not include the reserved field when calculating sum of the BA.
this may be a mistake of the spec, but we follow the spec for now.

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame