linux_cmd_line vs nfs

param set linux_cmd_line "nointrd init= nuxrc console=ttyS0 root=/dev/nfs nfsroot=59.64.183.227:/nfs ip=59.64.183.192:59.64.183.129:59.64.183.227::eth0:off mac=00:00:00:0a:0b:0c"