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I have 2 switch that is trunked each other (edge and core).The core switch have the lowest firmware compared to the edge switch.Is there anything wrong with the "principal" and "local" switch setting from the edge switch?Why the principal and the local switch is a different switch from the edge switch?  HELP ME!!!  EDGE switch     CNBJSSW102# sh ver | inc Software next 4 Cisco Nexus Operating System (NX-OS) Software -- Software   BIOS:      version 1.0.19   loader:    version N/A   kickstart: version 5.0(4)   system:    version 5.0(4)  CNBJSSW102# sh fcdomain domain-list  VSAN 1 Number of domains: 4 Domain ID              WWN ---------    ----------------------- 0xe3(227)    20:01:00:0d:ec:63:ee:81 [Principal] 0x62(98)    20:01:00:0d:ec:8d:39:41 0x0c(12)    20:01:00:0d:ec:a7:2b:c1 0x0e(14)    20:01:00:05:73:be:36:01 [Local]  VSAN 3 Number of domains: 4 Domain ID              WWN ---------    -----------------------   0x03(3)    20:03:00:0d:ec:63:ee:81 [Principal] 0x0a(10)    20:03:00:0d:ec:8d:39:41 0x0c(12)    20:03:00:0d:ec:a7:2b:c1 0x0e(14)    20:03:00:05:73:be:36:01 [Local] ---------------------------------------------------------------------------------------------------------------------------------------------------------  CORE switch   CNBJSSW01# sh ver | inc Software next 4 Cisco Storage Area Networking Operating System (SAN-OS) Software -- Software   BIOS:      version 1.0.16   kickstart: version 3.3(4)   system:    version 3.3(4)   CNBJSSW01# sh fcdomain domain-list VSAN 1 Number of domains: 4 Domain ID              WWN ---------    ----------------------- 0xe3(227)    20:01:00:0d:ec:63:ee:81 [Local] [Principal]  0x62(98)    20:01:00:0d:ec:8d:39:41  0x0c(12)    20:01:00:0d:ec:a7:2b:c1  0x0e(14)    20:01:00:05:73:be:36:01 VSAN 3 Number of domains: 4 Domain ID              WWN ---------    -----------------------   0x03(3)    20:03:00:0d:ec:63:ee:81 [Local] [Principal]  0x0a(10)    20:03:00:0d:ec:8d:39:41  0x0c(12)    20:03:00:0d:ec:a7:2b:c1  0x0e(14)    20:03:00:05:73:be:36:01
Principal Switch