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Configuration Rollback
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Page 54
revert command. Some examples of card and mda commands that may cause a prompt
are:
configure>card>card-type
configure>card>mda
configure>card>mda>mda-type
Although the use of the Control-C key combination is not recommended during a rollback
revert, it is supported (via CLI or SNMP). Interrupting a rollback revert may leave the
router in a state that is not necessarily something between the old active config and the
rollback checkpoint since the rollback processing may have been in the middle of tearing
things down or rebuilding configurations. A strong warning is issued in this case to
indicate that the operator must examine the config and potentially issue another rollback
revert to return to a known (and coherent) configuration.
An HA CPM switchover during a rollback revert will cause the rollback operation to
abort. The newly active CPM will have an indeterminate configuration. When an HA
switchover occurs during a rollback (or within a few seconds of a rollback completing),
the operator is advised to repeat the rollback revert operation to the same checkpoint.
7950 SR OS Basic System Configuration Guide
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