3Com CoreBuilder 3500, Implementation Manual

Page: 54 / 592

54 C
HAPTER
3: S
YSTEM
P
ARAMETERS
Restoring nvData Use the nvData restore option on the
system nvData
menu to restore a
previous configuration that you have saved to an external file.
Effects and Consequences
Consider the following guidelines before you restore nvData:
■
Do not confuse nvData restore with nvData reset. You use
nvData
reset
only to reset your system configuration values to their factory
default settings.
■
After you restore nvData, the software presents a proposal for how to
restore the data based on the following restoration rules:
Rule 1
■
Exact match — The system IDs and revisions (if applicable) all
match between the saved configuration and the configuration of
the system on which you are restoring the image.
Rule 2
■
System ID mismatch — System IDs do not match between the
saved configuration and the target system. In this case, the system
informs you of the mismatch and then prompts you to continue.
If neither of these rules succeeds, you cannot apply the saved
configuration to your system.
■
Before you restore a system with mismatched system IDs, consider the
following issues that might cause problems after the nvData is
restored:
■
Management IP addresses (which are defined in IP interface
configurations) are saved as nvData and restored. Restoring
management IP addresses can cause duplicate IP address problems.
To avoid these problems, change the IP addresses of any defined
interfaces before you connect the restored system to the network.
■
Statically configured MAC addresses are saved as nvData. After a
successful restore operation, verify that you have no duplicate
addresses.