Dlp- A303 Initiate A Blsr Force Ring Switch - Cisco ONS 15454 Series Procedure Manual

Chapter 20 DLPs A300 to A399
DLP-A303 Initiate a BLSR Force Ring Switch
Purpose
Tools/Equipment
Prerequisite Procedures
Required/As Needed
Onsite/Remote
Security Level
The Force Switch Away command overrides normal protective switching mechanisms. Applying this
Caution
command incorrectly can cause traffic outages.
Traffic is not protected during a Force protection switch.
Caution
From the View menu, choose Go to Network View.
Step 1
Click the Provisioning > BLSR tabs.
Step 2
Click Edit.
Step 3
Step 4 To apply a Force switch to the west line:
a.
b.
c.
On the network graphic, an F appears on the working BLSR channel where you invoked the protection
switch. The span lines change color to reflect the forced traffic. Green span lines indicate the new BLSR
path, and the lines between the protection switch are purple.
Performing a Force switch generates several conditions including FORCED-REQ-RING and WKSWPR.
To apply a Force switch to the east line:
Step 5
a.
March 2005
Use this task to perform a BLSR Force switch on a BLSR port. A Force
ring switch will switch traffic off a span if there is no SD, SF, or lockout
switch present on the span.
None
DLP-A60 Log into CTC, page 17-66
As needed
Onsite
Provisioning or higher
Right-click the west BLSR port where you want to switch the BLSR traffic and choose
Set West Protection Operation.
If node icons overlap, drag and drop the icons to a new location. You can also return to
Note
network view and change the positions of the network node icons, because BLSR node icons
are based on the network view node icon positions.
Note For two-fiber BLSRs, the squares on the node icons represent the BLSR working and protect
channels. You can right-click either channel. For four-fiber BLSRs, the squares represent
ports. Right-click either working port.
In the Set West Protection Operation dialog box, choose FORCE RING from the drop-down list.
Click OK.
Click Yes in the two Confirm BLSR Operation dialog boxes that appear.
Right-click the east BLSR port and choose Set East Protection Operation.
DLP-A303 Initiate a BLSR Force Ring Switch
Cisco ONS 15454 Procedure Guide, R5.0
20-3