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Cisco ONS 15327 Troubleshooting Guide, R3.4
April 2003
Chapter1 General Troubleshoo ting Restoring the Database and Default Settings
•Select the appropriate state (IS, OOS, or OOS_AINS) in the State col um n for th e por t bei ng
tested.
•Click the Apply button.
•Click the Yes button in the Con firmatio n Di al og box .
d. Clear the terminal loopback circuit:
•Click the Circuits tab.
•Choose the loopback circuit being tested.
•Click the Delete button.
•Click the Yes button in the Delete Circuits dialog box.
Step 4 The entire OC-N circuit path has now passed its comprehensive series of loopback tests. This circuit
qualifies to carry live traffic.
1.4 Restoring the Database and Default Settings
This section contains troubleshooting procedures for node op erat ion e rrors tha t re qu ire rest orat ion of
software data or the default node setup.

1.4.1 Restore the Node Database

Symptom: One or more node(s) are not functioning properly o r have incorre ct da ta.
Table1-1 on page 1-41 describes the potential cause of the symptom and the solution.

Procedure: Restore the Database

Note When you restore the database, the following parame ter s are not backed up and restored: node name, IP
address, mask and gateway, and IIOP port. If you change the node name and the n rest o re a bac ked up
database with a different node name, the circuits map to the new renam ed node . Cisc o r ecom mend s
keeping a record of the old and new node names.
Caution E10/100-4 cards lose traffic for approximately 90 seconds when an ONS 15327 database is restored.
Traffic is lost during the period of spanning-tree reconvergence. The CARLOSS alarm appears and
clears during this period.
Table1-1 Restore the Node Database
Possible Problem Solution
Incorrect or corrupted
node database. Perform a Restore the Database procedure. Refer to the “Restore the
Database” procedure on page 1-41.