HowTo: https://blog.linitx.com/howto-building-building-ptp-links-mikrotik-wireless-products/

• Such as a building to building link
• One Mikrotik device is in Bridge mode
• One or more Mikrotik devices are in Station Bridge mode
• NV2 wireless protocol is used
  • for best performance
  • for security
• The default IP address for Mikrotik devices
  • 192.168.88.1
  • on ether1
• The default credentials
  • admin
  • with no password
• Use Winbox for layer 2 configuration
  • not default IP address
• Upgrade the RouterOS on all devices first
• Delay mounting until all is tested
• You should be able to use DHCP on your workstation after establishing the bridge connection

1. Bridge the Ethernet and the wireless interfaces together
   1. Bridge
2. Assign a management IP address to the bridge or use DHCP reservation
   1. IP → Addresses
3. Remove the default IP address from ether1
4. Assign an appropriate identity to each device
   1. System → Identity
5. Configure the wireless interface
   1. Wireless tab → Advanced Mode
      1. Frequency Mode → regulatory-domain
      2. Country → united states
      3. Mode → ap-bridge or just bridge
         • Multi-point systems need Level 4 license for ap-bridge
      4. SSID → your bridge SSID
      5. Wireless Protocol → nv2
   2. NV2 tab
      1. Select the Security box
      2. Enter a Preshared Key
   3. Click Apply

Most settings are the same as the Bridge Mode Device.

1. Use a different management IP address
2. Set a different identity
3. Set the Mode → station bridge
4. Select Apply