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0- create two nodes
0- @Router > System settings > NTP ( show NTP )
0- Static DNS ( 1.1.1.1 and 8.8.8.8 )
0- Management flag ( to allow NDS, NTP: "mgt" protocols )
1- create a "Shared physical/ MAC addresses"
2- @Network-interface ( first node1 ) clear the global id
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