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Using the Business Policy Switch 2000 Version 1.2
Chapter 1The Business Policy Switch 2000
This chapter introduces the Business Policy Switch 2000 and covers the f ollowing
topics:
General description, next
Stacking compatibility on page3 3
Software version 1.2 compatibility with BayStack 450 switches on page35
Physical description on page36

Features on page47

Configuration and switch management on page80

Supported standards and RFCs on page8 3

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 arc hitecture 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 2000This stack has only BPS 2000 switches. It is some times
referred to as a pure stack. The stack operational mode for th is ty pe of st ack is
Pure BPS 2000 Mode.