17-81
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 17 DLPs A1 to A99
DLP-A73 Create a 1+1 Protection Group
Step 6 Complete the remaining fields:
• Bidirectional switching—Not available for 1:N protection.
• Revertive—Always enabled for 1:N protection groups.
• Reversion time—Click Reversion time and select a reversion time from the drop-down list. The
range is 0.5 to 12.0 minutes. The default is 5.0 minutes. This is the amount of time that will elapse
before the traffic reverts to the working card after conditions causing the switch are cleared. The
reversion timer starts after conditions causing the switch are cleared.
Step 7 Click OK, then click Yes in the confirmation dialog box.
Step 8 Return to your originating procedure (NTP).
DLP-A73 Create a 1+1 Protection Group
Step 1 Verify that the cards are installed according to 1+1 requirements specified in Table 4-1 on page 4-10.
Step 2 In node view, click the Provisioning > Protection tabs.
Step 3 In the Protection Groups area, click Create.
Step 4 In the Create Protection Group dialog box, enter the following:
• Name—Type a name for the protection group. The name can have up to 32 alphanumeric (a-z, A-Z,
0-9) characters. Special characters are permitted. For TL1 compatibility, do not use question marks
(?), backslash (\), or double quote (“) characters.
• Type—Choose 1+1 from the drop-down list.
• Protect Port—Choose the protect port from the drop-down list. The list displays the available OC-N
ports, as shown in Figure 17-34. If OC-N cards are not installed, no ports appear in the drop-down
list.
After you choose the protect port, a list of ports available for protection appear in the Available Ports
list, as shown in Figure 17-34. If no cards are available, no ports appear. If this occurs, you can not
complete this task until you install the physical cards or preprovision the ONS 15454 slots using the
“DLP-A330 Preprovision a Slot” task on page 20-20.
Purpose This task creates a 1+1 protection group for any OC-N card/port (OC-3,
OC-3-8, OC-12, OC-12-4, OC-48, OC-48 AS, and OC-192).
Tools/Equipment Installed OC-N cards or preprovisioned slots
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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