bash# rpm -q ipxutils
ipxutils-2.2.0.16.a-1
bash# rpm -ql ipxutils |grep ipx_interface
/sbin/ipx_interface
^^^^^^^^^^^^^^^^^^
/usr/man/man8/ipx_interface.8
bash# grep -2 ipx_interface /etc/sysconfig/network-scripts/ifup-ipx|head -5
fi

if [ ! -x /usr/bin/ipx_interface ] ; then
          ^^^^^^^^^^^^^^^^^^^^^^
        # cannot configure IPX with non-existant utilities
        exit 0
bash# rpm -qf /etc/sysconfig/network-scripts/ifup-ipx
initscripts-4.48-1