Business Policy Switch User Guide

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Using the Business Policy Switch 2000 Version 1.2
Chapter 1
The Business Policy Switch 2000
This chapter introduces the Business Policy Switch 2000 and covers the following
topics:
• “General description,” next
• “Stacking compatibility” on page 33
• “Software version 1.2 compatibility with BayStack 450 switches” on page 35
• “Physical description” on page 36
• “Features” on page 47
• “Configuration and switch management” on page 80
• “Supported standards and RFCs” on page 83
General description
The Business Policy Switch introduces policy-enabled networking features to
optimize consistent performance and behavior for your network traffic. The
Differentiated Services (DiffServ) network architecture offers varied levels of
service for different types of data traffic. DiffServ lets you designate a specific
level of performance on a per-packet basis.
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.