Release Notes

Compatibility with BayStack 450 switches 7
Release Notes for the Business Policy Switch 2000 Software Version 2.0
Upgrading software when ISVN is 1
To upgrade a Hybrid stack to BPS 2000 software version 2.0 when the ISVN
numbers of the units are 1:
1 Download the BPS 2000 image file and the BayStack 450/410 file
simultaneously.
The system resets.
2 Download the other BayStack 450 image file.
The system resets.
3 Download the BPS 2000 diags file.
The system resets.
4 Validate that the ISVN on both the BPS 2000 and the BayStack are 2.
Compatibility with BayStack 450 switches
The BPS 2000 software version 2.0 is compatible with BayStack* 450 software
versions 4.0 and 4.1.
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.
Note: If you do not download both the BPS 2000 and BayStack 410/450
images simultaneously, the stack may not form.
Note: Once you begin the upgrading process, do not interrupt the
process at all. Interrupting the downloading (or upgrading) process may
cause loss of connectivity.