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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, Release 9.0

78-18394-01

Chapter 1 General Troubleshooting

CTC Operation Troubleshooting

1.10.12 DCC Connection Lost

Symptom The node is usually accompanied by alarms and the nodes in the network view have a gray

icon.

Table 1-19 describes the potential cause of the symptom and the solution.

1.10.13 “Path in Use” Error When Creating a Circuit

Symptom While creating a circuit, you get a “Path in Use” error that prevents you from completing the

circuit creation.

Table 1-20 describes the potential cause of the symptom and the solution.

Cancel the Circuit Creation and Start Over

Step 1 Cancel the circuit creation:

a. Click Cancel.

b. Click Back until you return to the initial circuit creation window.

Table 1-18 No IP Connectivity Exists Between Nodes

Possible Problem Solution

Lost Ethernet

connection

Usually, this condition is accompanied by Ethernet-specific alarms. Verify

the Ethernet connections as described in Chapter 8, “CTC Network

Connectivity,” of the Cisco ONS 15310-CL and Cisco ONS 15310-MA

Reference Manual.

Table 1-19 DCC Connection Lost

Possible Problem Solution

A lost DCC connection Usually, this condition is accompanied by an EOC alarm. Clear the EOC

alarm and verify the DCC connection as described in the “EOC” alarm on

page 2-54.

Table 1-20 “Path in Use” Error When Creating a Circuit

Possible Problem Solution

Another user has

already selected the

same source port to

create another circuit

CTC does not remove a card or port from the available list until a circuit is

completely provisioned. If two users simultaneously select the same source

port to create a circuit, the first user to complete circuit provisioning gets use

of the port. The other user gets the “Path in Use” error.

See the “Cancel the Circuit Creation and Start Over” procedure on

page 1-79.

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