20-17
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 20 DLPs A300 to A399
DLP-A328 Create a Two-Fiber BLSR Using the BLSR Wizard
Step 4 Return to your originating procedure (NTP).
DLP-A328 Create a Two-Fiber BLSR Using the BLSR Wizard
Step 1 From the View menu, choose Go to Network View.
Step 2 Click the Provisioning > BLSR tabs.
Step 3 Click Create BLSR.
Step 4 In the BLSR Creation dialog box, set the BLSR properties:
• Ring Type—Choose two-fiber.
• Speed—Choose the BLSR ring speed: OC-12, OC-48, or OC-192. The speed must match the OC-N
speed of the BLSR trunk (span) cards.
Note If you are creating an OC-12 BLSR and will eventually upgrade it to OC-48 or OC-192, use
the single-port OC-12 cards (OC12 IR/STM4 SH 1310, OC12 IR/STM4 SH 1310, or
OC12 IR/STM4 SH 1310). You cannot upgrade a BLSR on a four-port OC-12 card
(OC12/STM4-4) because OC-48 and OC-192 cards are single-port.
• Ring Name—Assign a ring name. The name can be from 1 to 6 characters in length. Any
alphanumeric string is permissible, and upper and lower case letters can be combined. Do not use
the character string “All” in either upper or lower case letters; this is a TL1 keyword and will be
rejected. Do not choose a name that is already assigned to another BLSR.
• Reversion time—Set the amount of time that will pass before the traffic reverts to the original
working path following a ring switch. The default is 5 minutes. Ring reversion can be set to Never.
Step 5 Click Next. If the network graphic appears, go to Step 6.
If CTC determines that a BLSR cannot be created, for example, not enough optical cards are installed or
it finds circuits with path protection selectors, a “Cannot Create BLSR” message appears. If this occurs,
complete the following steps:
a. Click OK.
b. In the Create BLSR window, click Excluded Nodes. Review the information explaining why the
BLSR could not be created, then click OK.
Purpose This task creates a two-fiber BLSR at each BLSR-provisioned node using
the Cisco Transport Controller (CTC) BLSR wizard. The BLSR wizard
checks to see that each node is ready for BLSR provisioning, then
provisions all the nodes at one time.
Tools/Equipment None
Prerequisite Procedures NTP-A40 Provision BLSR Nodes, page 5-10
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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