Exccol; Exercise-Ring-Fail - Cisco ONS 15327 User Documentation

Chapter 14 Alarm Troubleshooting
From the row of information for the fiber span, write down the node ID, ring ID, and the slot and port in
Step 3
the east line list and west line list.
Step 4 Click the row from Step 3 to select it and click Delete.
Step 5 Click Create.
Fill in the ring ID and node ID from the information collected in Step 3.
Step 6
Change the West line drop-down menu to the slot/port you recorded for the East line in Step 3.
Step 7
Change the East line drop-down menu to the slot/port you recorded for the West line in Step 3.
Step 8
Click OK.
Step 9
Click Yes at the Ring Map Change dialog box.
Step 10
Click Accept at the new ring map.
Step 11

14.4.39 EXCCOL

•
The excess collisions on the LAN (EXCCOL) alarm indicates that too many collisions are occurring
between data packets on the network management LAN, and communications between the ONS 15327
unit and the CTC may be affected.The network management LAN is the data network connecting the
workstation running the CTC software to the XTC card. This problem is external to the ONS 15327.
Procedure: Clear the EXCCOL Alarm
Troubleshoot the network management LAN connected to the XTC card for excess collisions. You may
need to contact the system administrator of the network management LAN to accomplish the following
steps:
Verify that the network device port connected to the XTC card has a flow rate set to 10 Mb, half-duplex.
Step 1
Troubleshoot the network device connected to the XTC card and the network management LAN.
Step 2

14.4.40 EXERCISE-RING-FAIL

•
The exercise-ring command issues ring-protection switching of the requested channel without
completing the actual bridge and switch. The exercise-ring-failed (EXERCISE-RING-FAIL) alarm is
raised if the command was issued but the exercise did not take place.
Procedure: Clear the EXERCISE-RING-FAIL Condition
Check for any LOS, LOF, or BLSR service-affecting alarms.
Step 1
June 2002
Minor, Non-Service-Affecting
Not Alarmed (NA) (Condition)
Cisco ONS 15327 User Documentation, R3.3
Alarm Procedures
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