Good morning / day. A little understanding of the device Mikrotik routerboard rb2011uias-rm was able to configure its router and the scheme for two reserve providers.
The rest, unfortunately, could not be overpowered, I decided to leave Asus rooter as reserve / balancing the Internet from the network 1 and 2.
Need help in setting up the network according to the photo (for a better view what I need)
Here is the most detailed how I was able to display what I need:
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- full isolation from the network 1-2 from them only needs to go through the Internet to the “red network” they do not need to see the network after Asus (now I can see all the devices even across networks 1-2)
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- isolate / divide (should not be pinged in any of the third-party networks) green and red network each has its own Internet channel (red from two networks via asus balancing / reserve, green from the Internet provider “Will”
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- 2 these networks (red and green) combine only that they have access to the NAS, but they have different networks / IP Internet and they can not be seen from behind the micro and in parallel networks.
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- At your discretion, configure the firewall for greater security.

- At your discretion, configure the firewall for greater security.
If possible, I ask you to write the answer as for a “simple USER” that were I need to prescribe!