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C
HAPTER
4: S
OFTWARE
I
NSTALLATION
Downgrading
Switching Modules
to Software
Release 2.1.0
Follow this procedure to downgrade the switching modules in your
chassis that are running software Release 3.0 to software Release 2.1.0:
CAUTION:
The 36-port 10/100BASE-TX Desktop Switching Modules
(Model Numbers 3CB9LF36RL and 3CB9LF36TL) cannot be downgraded
to software releases earlier than Release 3.0.0.
1
Download the operational code for your previous software Release 2.1.0
to all the switching modules that are installed in your chassis.
2
Download the boot code for your previous software Release 2.1.0 to all
the switching modules that are installed in your chassis.
3
Download the diagnostic code for your previous software Release 2.1.0
to all the switching modules that are installed in your chassis.
Do not reset the modules after you complete the downgrade. You must
now downgrade the software code on the switch fabric modules that are
installed in your chassis. See the procedure in “Downgrading Switch
Fabric Modules to Software Release 2.1.0” in the
CoreBuilder 9000
Release Notes for Gigabit Ethernet (GEN) Switch Fabric Modules and GEN
Interface Modules
.