Set as follows
/ip proxy set always-from-cache=yes anonymous=yes cache-administrator=“” cache-on-disk=yes cache-path=/webcache enabled=yes max-fresh-time=12h port=8888
/ip firewall nat add chain=dstnat protocol=tcp src-address=192.168.99.0/24 dst-port=80 action=redirect to-ports=8888
May I copy the file “win11pe.iso” to the “webcache” directory and access it via http://192.168.99.1/win11pe.iso?