
28 Chapter 1 CLI Basics
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You can use 256 port-, protocol-, and MAC SA-based VLANs for the stack with a
Pure BPS 2000 stack running software version 1.2. (The maximum number of
MAC SA-based VLANs available is 48). If you are working with a mixed, or
hybrid, stack, you can use 64 VLANs for the entire stack. When you change from
a Pure BPS 2000 Stack mode to a Hybrid Stack mode:
• If you have up to 64 VLANs on the Pure BPS 2000 Stack, they will be
retained when you change to a Hybrid Stack.
• If you have more than 64 VLANs on the Pure BPS 2000 Stack, you will lose
them all. The Hybrid Stack will return to the default VLAN configuration.
Also, a mixed, or hybrid, stack does not support multiple Spanning Tree Groups
(STG). You have a single instance of STG when working with a mixed stack.
• If you have up to 64 VLANs on the Pure BPS 2000 Stack, they will be
retained when you change to a Hybrid Stack.
• If you have more than 64 VLANs on the Pure BPS 2000 Stack, you will lose
them all. The Hybrid Stack will return to the default VLAN configuration.
Also, a mixed, or hybrid, stack does not support multiple Spanning Tree Groups
(STG). You have a single instance of STG when working with a mixed stack.
New features
The following new features that you can access through Web-based management
have been introduced to the BPS 2000 software since version 1.2:
• Introduced with software version 2.0
— Support for BPS 2000-1GT, BPS 2000-2GT, and BPS 2000-2GE MDAs
— Portlist command more inclusive (refer to “Port numbering” on page 32)
— Rate shaping for QoS networks (refer to Chapter 6)
— Expanded COPS commands (refer to Chapter 6)
— Port naming (refer to Chapter 2)
— MAC destination address (DA) filtering (refer to Chapter 3)
— IP for each unit in the stack (refer to Chapter 2)
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