20-21
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 20 DLPs A300 to A399
DLP-A333 Delete Circuits
• If you are converting an IP-encapsulated tunnel to a traditional DCC tunnel, check the Change to
SDCC Tunnel check box.
Step 7 Click Apply.
Step 8 In the confirmation dialog box, click Yes to continue.
Step 9 In the Circuit Changed status box, click OK to acknowledge that the circuit change was successful.
Step 10 Return to your originating procedure (NTP).
DLP-A333 Delete Circuits
Step 1 Complete the “NTP-A108 Back Up the Database” procedure on page 15-4.
Step 2 Verify that traffic is no longer carried on the circuit and that the circuit can be safely deleted.
Step 3 From the View menu, choose Go to Network View.
Step 4 Click the Alarms tab.
a. Verify that the alarm filter is not on. See the “DLP-A227 Disable Alarm Filtering” task on
page 19-17 as necessary.
b. Verify that no unexplained alarms appear on the network. If unexplained alarms appear, resolve
them before continuing. Refer to the Cisco ONS 15454 Troubleshooting Guide if necessary.
Step 5 Click the Circuits tab.
Step 6 Choose the circuits you want to delete, then click Delete.
Step 7 In the Delete Circuits confirmation dialog box, check one or both of the following, as needed:
• Change drop port admin state—Choose the administrative state for the drop ports:
–
IS—Puts the circuit cross-connects in the IS-NR service state.
–
OOS,DSBLD—Puts the circuit cross-connects in the OOS-MA,DSBLD service state. Traffic is
not passed on the circuit. If the circuit is not the same size as the port or the only circuit using
the port, CTC will not change the port service state.
–
IS,AINS—Puts the circuit cross-connects in the OOS-AU,AINS service state. When the
connections receive a valid signal, the cross-connect service states automatically change to
IS-NR.
–
OOS,MT—Puts the circuit cross-connects in the OOS-MA,MT service state. This service state
does not interrupt traffic flow and allows loopbacks to be performed on the circuit, but
suppresses alarms and conditions. Use the OOS,MT administrative state for circuit testing or to
suppress circuit alarms temporarily. Change the administrative state to IS; OOS; or IS,AINS
when testing is complete.
Purpose This task deletes circuits.
Tools/Equipment None
Prerequisite Procedures DLP-A60 Log into CTC, page 17-66
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Provisioning or higher
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