A cable line can use two wireless repeaters simultaneously
A's LAN port comes out to connect B's WAN port, sets a fixed IP to B's WAN, then connects B to be possible to access the net, such meets the computer and meets in A is not the same network segment.
A's LAN port comes up to B's LAN port, then closes B's DHCP service, and then the computer can connect to B, the same effect as A.
