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Create united MINT domain.
Code Block language text theme Emacs title Master 1 ifc prf0 up prf 0 parent eth0 mint prf0 -name "Master 1 prf" mint prf0 -nodeid 00050 mint prf0 -type master mint prf0 -mode fixed mint prf0 -key "123456789" mint prf0 -authmode public mint prf0 start mint join rf5.0 prf0
Code Block language text theme Emacs title Slave 1 ifc prf0 up prf 0 parent eth0 mint prf0 -name "Slave 1 prf" mint prf0 -nodeid 00060 mint prf0 -type master mint prf0 -mode fixed mint prf0 -key "123456789" mint prf0 -authmode public mint prf0 start mint join rf5.0 prf0
Code Block language text theme Emacs title Master 2 ifc prf0 up prf 0 parent eth0 mint prf0 -name "Master 2 prf" mint prf0 -nodeid 00070 mint prf0 -type master mint prf0 -mode fixed mint prf0 -key "123456789" mint prf0 -authmode public mint prf0 start mint join rf5.0 prf0
Code Block language text theme Emacs title Slave 2 ifc prf0 up prf 0 parent eth0 mint prf0 -name "Slave 2 prf" mint prf0 -nodeid 00080 mint prf0 -type master mint prf0 -mode fixed mint prf0 -key "123456789" mint prf0 -authmode public mint prf0 start mint join rf5.0 prf0
Configure switch groups.
Warning title CAUTION If you do not exclude the interface eth0 on one of the devices or do not enable STP, then there will be a loop.
Expand title Example 
The STP protocol is used to eliminate the loop In the example below.
Code Block language text theme Emacs title Master 1 switch group 1 add eth0 prf0 sw group 1 stp on switch group 1 start
Code Block language text theme Emacs title Master 2 switch group 1 add eth0 prf0 sw group 1 stp on switch group 1 start
Code Block language text theme Emacs title Slave 1 switch group 1 add eth0 prf0 sw group 1 stp on switch group 1 start
Code Block language text theme Emacs title Slave 2 switch group 1 add eth0 prf0 sw group 1 stp on switch group 1 start