Dell PowerConnect Brocade 300 Fabric OS Administrator's Guide v7.1.0 - Page 426
User- and auto-assigned FA-PWWN behavior, Checking for duplicate FA-PWWNs, Configuring FA-PWWNs
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16 User- and auto-assigned FA-PWWN behavior NOTE For the server to use the FA-PWWN feature, it must be using a Brocade HBA or adapter. Refer to the release notes for the HBA or adapter versions that support this feature. Some configuration of the HBA must be performed to use the FA-PWWN. User- and auto-assigned FA-PWWN behavior An FA-PWWN can be either user-generated or automatically assigned by the fabric. The automatically assigned FA-PWWN is created by default when you enable the feature without explicitly providing a virtual PWWN. Each switch port and Access Gateway port can be assigned up to two WWNs, one assigned automatically and one assigned by the user. Only one FA-PWWN can be active at any given time. The user-assigned FA-PWWN takes precedence over the automatically assigned FA-PWWN. This means the switch will bind the user-assigned FA-PWWN to the port if both a user-assigned and an automatically assigned FA-PWWN are available. If you want to select the automatically assigned FA-PWWN over the user-assigned FA-PWWN, you must delete the user-assigned FA-PWWN from the port to which it has been assigned. Checking for duplicate FA-PWWNs The switch ensures that automatically assigned FA-PWWNs are unique in a fabric. However, it is the responsibility of the administrators to ensure that user-assigned FA-PWWNs are also unique throughout the fabric. CAUTION The administrators should ensure that the same user-assigned FA-PWWN is not used in multiple chassis. There is no fabric-wide database, and adding the same FA-PWWNs in multiple chassis causes duplicate PWWNs. Configuring FA-PWWNs Use the faPwwn command to create and manage FA-PWWNs. The faPwwn command supports the following management tasks: • Binding an automatically assigned or a user-assigned FA-PWWN to a switch port. • Overriding an automatically assigned FA-PWWN with a user-assigned FA-PWWN. • Binding an Access Gateway port with an automatically assigned or a user-assigned FA-PWWN. • Deleting any existing FA-PWWN bindings. • Moving an FA-PWWN from one port to another port. • Moving an FA-PWWN assigned to an Access Gateway port to another Access Gateway. • Displaying information about configured FA-PWWN bindings. Refer to the Fabric OS Command Reference for information about using the faPwwn command. 426 Fabric OS Administrator's Guide 53-1002745-02
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