Alarm message - trouble

Hi..

Can anyone describe what that alarm(trouble) meaning, error from monitoring cisco router 2600 series.

.1.3.6.1.4.1.9.9.41.1.2.3.1.2.327626: CDP, .1.3.6.1.4.1.9.9.41.1.2.3.1.3.327626:
5, .1.3.6.1.4.1.9.9.41.1.2.3.1.4.327626: DUPLEX_MISMATCH, .1.3.6.1.4.1.9.9.41.1.2.3.1.5.327626: duplex mismatch discov

Thank in advance..