Redirect the Netscape Cache to a Valid Directory 51
Slow CTC Operation or Login Problems 52
Delete the CTC Cache File Automatically 52
Delete the CTC Cache File Manually 53
Node Icon is Gray on CTC Network View 53
Java Runtime Environment Incompatible 54
Launch CTC to Correct the Core Version Build 54
Different CTC Releases Do Not Recognize Each Other 55
Launch CTC to Correct the Core Version Build 55
Username or Password Do Not Match 55
Verify Correct Username and Password 56
DCC Connection Lost 56
Path in Use Error When Creating a Circuit 56
Calculate and Design IP Subnets 57
Timing 57
NCS Switches Timing Reference 57
Holdover Synchronization Alarm 57
Free-Running Synchronization Mode 58
Daisy-Chained BITS Not Functioning 58
Blinking STAT LED after Installing a Card 58
Fiber and Cabling 59
Bit Errors Appear for a Traffic Card 59
Faulty Fiber-Optic Connections 59
Crimp Replacement LAN Cables 60
Replace Faulty SFP, SFP+, or XFP Connectors 61
Remove SFP or XFP Connectors 62
Install an SFP, SFP+, or XFP Connector 62
Power Supply Problems 63
Isolate the Cause of Power Supply Problems 64
Power Up Problems for Node and Cards 65
Network Level (Internode) Problems 65
System Restart after a Fiber Cut 65
Scenario 1: Span Loss Change > 5 dBm and OSC Power Value on the Receiver less than –42
dBm 66
Cisco NCS 2000 series Troubleshooting Guide, Release 11.0
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