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C
ORE
B
UILDER
6000
E
XTENDED
S
WITCHING
S
OFTWARE
R
EVISION
8.2.3
Overview
These installation instructions and release notes describe revision 8.2.3 of
the CoreBuilder
™
6000 Extended Switching software from 3Com
Corporation, dated October 9, 1997. This revision supersedes revision 8.2.1,
dated May 30, 1997.
Hardware
Dependencies
LANplex® Extended Switching software revision 8.0.0 or greater, or
CoreBuilder Extended Switching software revision 8.2.1 or greater, requires
that you have installed one of the following versions of the LANswitching
Management Module Plus (LMM+) in system slot 1:
■
Revision 1.21 or greater (for revision 1 modules)
■
Revision 2.12 or greater (for revision 2 modules)
If you attempt to run LANplex system software 8.0.0 or greater, or
CoreBuilder system software 8.2.1 or greater, on an earlier revision of the
LMM+, the system fails to reboot automatically when you turn it on.
To reboot a system that has failed to reboot automatically, connect a
terminal to the serial port on the LMM+ installed in the system. When the
system prompt asks whether you want to “ignore the checksum error,” enter
y
(for Yes). The system reboots.
Upgrading Your LMM or LMM+
To verify that you have an LMM+ module and not an LMM module installed:
1
Check that the module’s ejector tab is labeled “LMM+”.
2
Determine the revision of your LMM+. From the top level of the
Administration Console, enter:
system display