Cisco ONS 15454 Troubleshooting Manual page 286

2.7.97 EXCCOL
Step 3 From the row of information for the fiber span, complete the
Number" procedure on page 2-261
East Line column and West Line column. Record the above information.
Click View > Go to Network View.
Step 4
Delete and recreate the BLSR:
Step 5
a.
b.
c.
d.
e.
Display node view and click the Maintenance > BLSR tabs.
Step 6
Change the West Line field to the slot you recorded for the East Line in
Step 7
Change the East Line field to the slot you recorded for the West Line in
Step 8
Click OK.
Step 9
If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
Step 10
for more information or call Cisco TAC 1 800 553-2447 in order to report a Service-Affecting (SA)
problem.
2.7.97 EXCCOL
The Excess Collisions on the LAN alarm indicates that too many collisions are occurring between data
packets on the network management LAN, and communications between the ONS 15454 and CTC could
be affected. The network management LAN is the data network connecting the workstation running the
CTC software to the TCC2/TCC2P. The problem causing the alarm is external to the ONS 15454.
Troubleshoot the network management LAN connected to the TCC2/TCC2P for excess collisions. You
might need to contact the system administrator of the network management LAN to accomplish the
following steps.
Clear the EXCCOL Alarm
Verify that the network device port connected to the TCC2/TCC2P has a flow rate set to 10 Mb,
Step 1
half-duplex.
If the port has the correct flow rate and duplex setting, troubleshoot the network device connected to the
Step 2
TCC2/TCC2P and the network management LAN.
If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
Step 3
for more information or call Cisco TAC 1 800 553-2447.
Cisco ONS 15454 Troubleshooting Guide, R8.5
2-92
Click the Provisioning > BLSR tabs.
Click the row from Step 3
Click Create.
Fill in the ring name and node ID from the information collected in
Click Finish.
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
SONET Logical Object: EQPT
to identify the node ID, ring name, and the slot and port in the
to select it and click Delete.
Chapter 2 Alarm Troubleshooting
"Identify a BLSR Ring Name or Node ID
Step 3.
Step 3.
Step 3.
November 2009