Given below is a nomenclature for Cisco UCS WWPNs and WWNNs:

 

CiscoUCS_WWxN_Nomenclature

 

Examples:

(1) 20:00:00:25:B5:01:0A:01  => The first WWPN (OP=01) in a WWPN pool in UCS Domain 1 (KL=01) which is used by an ESXi host (M=0) in Fabric A (N=A).

(2) 20:00:00:25:B5:03:2F:03  => The third WWNN (OP=03 and N=F) in a WWNN pool in UCS Domain 3 (KL=03) which is used by a Linux host (M=2).

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