The NE has not received the OCh trail information for this Cross-Connect from the trail's
head NE. While this condition is asserted, Wavelength Tracker monitoring for this
channel is not active on this NE. This alarm may be raised for the following reasons:
• The head NE X-Connect for this OCh trail may not have been created.
• There may not be proper CN/OSPF connectivity between the NEs to allow for the
distribution of trail information.
Severity Minor
Service affecting? No
Applicability A2325A, AHPHG, AHPLG, ALPHG, ALPFGT, AM2017B,
AM2125A, AM2125B, AM2325B, OSCT, RA2P
Corrective Action
At the end of each step wait to see if the fault clears. If not, continue with the next step.
...................................................................................................................................................................................................
1
Record the exact name used to identify the OCh trail.List the cross connects that currently
exist on-NE:
CLI show xc brief
WEBUI Select Connections > Cross-Connects.
Search the list for the OCh trail in question. Record the exact name used for the OCh trail
(wreache spaces and case are relevant for a match).
...................................................................................................................................................................................................
2
Ensure that the OCh trail name as specified on this NE exactly matches the OCh trail
name as specified on the head NE.List the cross connects that currently exist in the
network.
CLI show ochtrail network
...................................................................................................................................................................................................
3
Search the list for the OCh trail in question. Compare any names for the exact name
recorded in the Step 1.
If... Then...
the name is misspelled, recreate the appropriate connection with the
appropriate name.
Trouble-clearing procedures
OCHTRAILUNKNOWN
OCHTRAILUNKNOWN (Unknown OCH Trail for x-connect)
....................................................................................................................................................................................................................................
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2-222
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011
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