
26 Chapter 1 CLI Basics
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• “Accessing the CLI” on page 33
• “Setting the CLI password” on page 36
• “Getting help” on page 37
• “Basic navigation” on page 37
• “Managing basic system information” on page 44
• “Managing MAC address forwarding database table” on page 46
• “Displaying and setting stack operational mode” on page 49
Stacking compatibility
You can stack the BPS 2000 up to 8 units high. There are two types of stacks:
• Pure BPS 2000—This stack has only BPS 2000 switches. It is sometimes
referred to as a pure stack. The stack operational mode for this type of stack is
Pure BPS 2000 Mode.
• Hybrid—This stack has a combination of BPS 2000 switches and BayStack*
450 and/or BayStack 410 switches. It is sometimes referred to as a mixed
stack. The stack operational mode for this type of stack is Hybrid Mode.
When you work with the BPS 2000 in standalone mode, you should ensure that
the stack operational mode shows Pure BPS 2000 Mode, and does not show
Hybrid Mode.
All BPS 2000 switches in the stack must be running the identical version of
software, and all the BayStack switches must be running the identical version of
software.
When you are working with a mixed stack, you must ensure that the
Interoperability Software Version Numbers (ISVN) are identical. That is, the
ISVN number for the BayStack 450 switch and BayStack 410 switch must have
the same ISVN as the BPS 2000. If the ISVNs are not the same, the stack does not
operate.
In sum, the stacking software compatibility requirements are as follows:
• Pure BPS 2000 stack—All units must be running the same software version.
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