20-48
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 20 DLPs A300 to A399
DLP-A363 Create a Four-Fiber BLSR Manually
DLP-A363 Create a Four-Fiber BLSR Manually
Step 1 In node view, click the Provisioning > BLSR tabs.
Step 2 Click Create.
Step 3 In the Suggestion dialog box, click OK.
Step 4 In the Create BLSR dialog box, set the BLSR properties:
• Ring Type—Choose four-fiber.
• Ring Name—Assign a ring name. You must use the same ring name for each node in the BLSR. Any
alphanumeric character string is permissible, and uppercase and lowercase letters can be combined.
Do not use the character string “All” in either uppercase or lowercase letters; this is a TL1 keyword
and will be rejected. Do not choose a name that is already assigned to another BLSR.
• Node ID—Choose a Node ID from the drop-down list (0 through 31). The Node ID identifies the
node to the BLSR. Nodes in the same BLSR must have unique Node IDs.
• Reversion time—Set the amount of time that will pass before the traffic reverts to the original
working path. The default is 5 minutes. All nodes in a BLSR must have the same reversion time
setting.
• West Line—Assign the west BLSR port for the node from the drop-down list.
Note The east and west ports must match the fiber connections and DCC terminations set up in
the “NTP-A40 Provision BLSR Nodes” procedure on page 5-10.
• East Line—Assign the east BLSR port for the node from the drop-down list.
• Span Reversion—Set the amount of time that will pass before the traffic reverts to the original
working path following a span reversion. The default is 5 minutes. Span reversion can be set to
Never. If you set a reversion time, the times must be the same for both ends of the span. That is, if
Node A’s west fiber is connected to Node B’s east port, the Node A west span reversion time must
be the same as the Node B east span reversion time. To avoid reversion time mismatches, Cisco
recommends that you use the same span reversion time throughout the ring.
• West Protect—Assign the west BLSR port that will connect to the west protect fiber from the
drop-down list.
• East Protect—Assign the east BLSR port that will connect to the east protect fiber from the
drop-down list.
Step 5 Click OK.
Purpose This tasks creates a four-fiber BLSR at each BLSR-provisioned node
without using the BLSR wizard.
Tools/Equipment None
Prerequisite Procedures NTP-A40 Provision BLSR Nodes, page 5-10
DLP-A60 Log into CTC, page 17-66
Required/As Needed Required
Onsite/Remote Onsite or remote
Security Level Provisioning or higher
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