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Cisco Bug: CSCuw39294 - OTDR stuck when OSC link is interrupted or NC-SSC link is broken

Last Modified

Nov 03, 2015

Products (1)

  • Cisco ONS 15454 Series Multiservice Provisioning Platforms

Known Affected Releases

10.51

Description (partial)

Symptom:
Following problem can occur if TNCSO on which the otdr scan is started is not in shelf 1, slot 1

- the suppression of the alarm releted to FE port facility is never ended, even if the Otdr scan is over
- if the ethernet cable between NC and SSC is broken in the meawhile a scan has been activated on SSC TNCSO, the Otdr is in progress alarm is never cleared (and it is no more possible to start a new scan)
- if the scan is performed on a TNCSO on which the fw upgrade is in progress the Otdr is in progress alarm is never cleared and the fw (and it is no more possible to start a new scan)


Problem is solved in release 10.511

Conditions:
Suppression problem:
- start a scan with OSC up between two sides
- in the meanwhile the scan is in progress disconnect the OSC fiber
- at the end of the scan the alarm suppression is never ended

or
- OSC created but with no otptical connession. Sigloss and EOC are present
- Delete OSC (alarms are cleared)
- run the OTDR scan
- Create again the OSC: the alarms are arised, but only in conditions panale


Scan in progress stuck:
- start a scan on a SSC TNCSO
- broke the ethernet connection beween NC and SSC
- the Otdr is in progress alarm is never cleared and it is not possible
to start a new scan-

or
- start a scan on a TNCSO on which the fw upgrade is in progress
- the Otdr is in progress alarm is never cleared and it is not possible
to start a new scan-
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