Initiate A Lock Out Of Protect Switch For All Circuits On An Sncp Span; Clear A Sncp Span External Switching Command - Cisco ONS 15600 SDH Troubleshooting Manual

Chapter 2 Alarm Troubleshooting
The Circuits on Span dialog box shows the SNCP circuits, including circuit names, locations, and a color
code showing which circuits are active on the span.
Step 3 Click the Perform SNCP span switching field.
Choose Manual from the drop-down list.
Step 4
Click Apply.
Step 5
In the Confirm SNCP Switch dialog box, click Yes.
Step 6
In the Protection Switch Result dialog box, click OK.
Step 7
In the Circuits on Span dialog box, the switch state for all circuits is Manual. Unprotected circuits do
not switch.

Initiate a Lock Out of Protect Switch for All Circuits on an SNCP Span

This procedure prevents all circuits in an SNCP working span from switching to the protect span. It is
used to keep traffic off cards that originate or terminate SNCP circuits.
The Lock Out of Protect overrides normal protective switching mechanisms.
Caution
Step 1 Log into a node on the network. If you are already logged in, continue with
Step 2 Right-click a network span and choose Circuits.
The Circuits on Span dialog box shows the SNCP circuits, including circuit names, locations, and a color
code showing which circuits are active on the span.
Step 3 Click the Perform SNCP span switching field.
Step 4 Choose Lock Out of Protect from the drop-down list.
Click Apply.
Step 5
In the Confirm SNCP Switch dialog box, click Yes.
Step 6
In the Protection Switch Result dialog box, click OK.
Step 7
In the Circuits on Span dialog box, the switch state for all circuits is FORCE. Unprotected circuits do
not switch.

Clear a SNCP Span External Switching Command

If the ports terminating a span are configured as revertive, clearing a Force or Manual switch to protect
Note
moves traffic back to the working port. If ports are not configured as nonrevertive, clearing a Force
switch to protect does not move traffic back.
Log into a node on the network. If you are already logged in, continue with
Step 1
Right-click a network span and choose Circuits.
Step 2
July 2010
2.8.2 Protection Switching, Lock Initiation, and Clearing
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