10 Finding the GUID/MAC and Serial Number on
the Card
Each BlueField-3 platform is uniquely identified to facilitate efficient management and
configuration. This section aims to guide you through identifying your BlueField-3 platform by using
the information provided on the board label.
The board label includes unique identifiers essential for network communication—specifically, a
primary GUID address for InfiniBand protocols or MAC addresses for Ethernet protocols. If your
BlueField-3 board supports both InfiniBand and Ethernet protocols, the label will feature a primary
GUID along with five ‘base’ MAC addresses derived from the GUID address: Host, ECPF, MPF, DPU
BMC, and OOB.
Refer to the board label example and a table listing the different MAC addresses, offering examples
and additional information to enhance clarity.
10.1 DPU Controller Board Label Example
Item on Label Description Example/Additional Information
GUID (Global Unique
Identifier)
GUIDs is a unique 16 byte identifier of
the BlueField in an InfiniBand
network, the GUID never changes.
The GUID on the label is assigned to the
System GUID of the BlueField HCA.
The System GUID represents the HCA
hardware with all its ports. Each HCA
port is assigned a dedicated Node GUID.
The Node GUID of port 0 is equal to the
System GUID.
The Node GUID of port 1 is equal to the
System GUID+1
Note: The product revisions (“Rev”) indicated on the label do not necessarily represent the
latest revisions of the cards.
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