System: Intel Pentium IV 2.4 on Intel motherboard ROS version 3.0-3.16 Problems: system hangs after 12-15 hours of work PPTP server service is not responding (disappear?) for 2-5 minutes (clients can't connect to PPTP server) heavy CPU load (system can't transfer more than 100Mbps due to 100% CPU lo...

Because Nstreme-Dual is designed for just that - wireless links. It's not meant to be operated over something else.

I am asking for any other methods.

What we need: need half duplex link like nstreme-dual but with ethernet card as backchannel. Radio card on point A only transmit packets, radio card on point B only receive packets, backchannel via ADSL. NStreme Dual provides a "full-duplex" link, not a half duplex link. You could set up ...

Asymmetric routing?

Asymmetric routing - it's IP routing. In that case card B will send frame reply to received frames.
Maybe put card B in promisc mode (receive all data that is in channel) with IP+MAC filtering?

Hi all! What we have: two systems with Microtik v3.11 and Atheros cards, 2km LOS, ADSL link between them What we need: need half duplex link like nstreme-dual but with ethernet card as backchannel. Radio card on point A only transmit packets, radio card on point B only receive packets, backchannel v...