19-10
Cisco ONS 15454 Procedure Guide, R5.0
September 2005
Chapter 19 DLPs A200 to A299
DLP-A217 BLSR Exercise Ring Test
• OOS, DSBLD—Puts the port in the Out-of-Service and Management, Disabled (OOS-MA,DSBLD)
service state. In this service state, traffic is not passed on the port until the service state is changed
to IS-NR; Out-of-Service and Management, Maintenance (OOS-MA,MT); or Out-of-Service and
Autonomous, Automatic In-Service (OOS-AU,AINS).
• OOS, MT—Puts the port in the OOS-MA,MT service state. This service state does not interrupt
traffic flow and loopbacks are allowed, but alarm reporting is suppressed. Raised fault conditions,
whether or not their alarms are reported, can be retrieved on the CTC Conditions tab or by using the
TL1 RTRV-COND command. Use the OOS-MA,MT service state for testing or to suppress alarms
temporarily. A port must be in the OOS-MA,MT service state before you can apply a loopback.
Change to the IS-NR or OOS-AU,AINS service states when testing is complete.
• IS, AINS—Puts the port in the OOS-AU,AINS service state. In this service state, alarm reporting is
suppressed, but traffic is carried and loopbacks are allowed. After the soak period passes, the port
changes to IS-NR. Raised fault conditions, whether their alarms are reported or not, can be retrieved
on the CTC Conditions tab or by using the TL1 RTRV-COND command.
For more information about service states, refer to the “Administrative and Service States” appendix of
the Cisco ONS 15454 Reference Manual.
Step 4 If the port is in loopback (OOS-MA,LPBK & MT) and you set the Admin State to IS, a confirmation
window appears indicating that the loopback will be released and that the action could be service
affecting. To continue, click Yes.
Step 5 If you set the Admin State to IS,AINS, set the soak period time in the AINS Soak field. This is the
amount of time that the port will stay in the OOS-AU,AINS service state after a signal is continuously
received. When the soak period elapses, the port changes to the IS-NR service state.
Step 6 Click Apply. The new port service state appears in the Service State column.
Step 7 As needed, repeat this task for each port.
Step 8 Return to your originating procedure (NTP).
DLP-A217 BLSR Exercise Ring Test
Step 1 From the View menu, choose Go to Network View.
Step 2 Click the Provisioning > BLSR tabs.
Step 3 Click the row of the BLSR you will exercise, then click Edit.
Purpose This task tests the bidirectional line switched ring (BLSR) ring
functionality without switching traffic. Ring exercise conditions (including
the K-byte pass-through) are reported and cleared within 10 to 15 seconds.
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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