限制整个IP段：
add name="all" target-addresses=0.0.0.0/0 dst-address=192.168.1.0/24 \
interface=all parent=none priority=8 queue=default/default \
limit-at=512000/64000 max-limit=512000/128000 total-queue=default \
disabled=no
限制某个IP：
add name="all" target-addresses=0.0.0.0/0 dst-address=192.168.1.1/24 \
interface=all parent=none priority=8 queue=default/default \
limit-at=512000/64000 max-limit=512000/128000 total-queue=default \
disabled=no
