Cisco IOS Software has been enhanced with the introduction of
additional software checks to signal improper use of internal data structures.
This enhancement was introduced in select Cisco IOS Software releases published
after April 5, 2007.
There are no specific requirements for this document.
Technical Tips Conventions for more information on document
With the new enhancement in place, Cisco IOS emits the
message whenever it detects an inconsistency in its internal data structures.
This is a new error message. Here is an example:
error message is preceded by a timestamp.
May 17 10:01:27.815 UTC: %DATACORRUPTION-1-DATAINCONSISTENCY: copy error
A traceback appears after the error message.
It is important to note that this error message does not imply that
packet data is corrupted. However, it does provide an early indicator of other
conditions that can eventually lead to poor system performance or a Cisco IOS
Collect show tech-support command output and
open a service request with Cisco Technical Support Center
(TAC), or contact your designated support organization. Pay particular
attention to any other error messages or error symptoms that accompany the
%DATACORRUPTION-1-DATAINCONSISTENCY message, and
report them to your support contact.