HP Surestore 64 - Director Switch User Manual page 105

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Buffer-to-Buffer Credit
The buffer-to-buffer credit that the attached node has available.
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Class of Service
Class of service. This can be class 2, class 3, or both.
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Data Field Size
Data field size. This is the largest size of Fibre Channel frame the node will process.
The size is negotiated with the attached device.
Node Properties is also available from the menu that displays when you right click on a
port's row in the Port List View or on a port's bar graph in the Performance View.
Node List View 89