You can have multiple routing tables (similar to VRFs on networking gear) which are classified into routing domains and assign different rdomains to different a

You can have multiple routing tables (similar to VRFs on networking gear) which are classified into routing domains and assign different rdomains to different applications. See rdomain(4): https://man.openbsd.org/rdomain.4 https://man.openbsd.org/rdomain.4