| OID | 1.3.6.1.2.1.137.1.1.1.1.7 |
| Module | T11-FC-FABRIC-ADDR-MGR-MIB (ietf) |
| Nom | t11FamPrincipalSwitchWwn |
| Acces | readonly |
| Status | current |
| Description | The WWN of the Principal Switch on this Fabric, or zero-length string if the identity of the principal switch is unknown. |
| Syntaxe | FcNameIdOrZero (FC-MGMT-MIB) |