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Software Management
Best Practices for Major Software Updates
And later, the configuration that was created on K.12.57 is viewed while the switch is running K.13.06:
ProCurve5406zl-onK1306# show config K1257config <cr>
The command output will show how the K.12.57 config would be interpreted, if it were to be used
by the K.13.06 software. Copying the K1257config to a TFTP server would similarly trigger an
interpretation by the software performing the file transfer. Note, however, that this does not actually
change the configuration. If the version is rolled back from K.13.06 to K.12.57 with a command like
the following (given that K.12.57 is stored in secondary flash), the K.12.xx formatted config is still
intact and valid.
ProCurve5406zl# boot system flash secondary config K1257config
This “interpretation” during a TFTP or show command execution is inherent in the architecture of
the switch. When switch features change significantly (e.g. the move from IPv4 support to IPv6
support), there may be configuration parameters from the previous config that cannot be translated
by the switch for viewing while it is running the new software. This necessitates storing configura-
tions for each version of software to an external location, if the user would like to view the stored
config prior to reloading it.