Circuit Routing Preferences
Use the Circuit Routing Preferences page to provision the circuit routing parameters. The following table describes the Circuit Routing Preferences page fields and buttons.
 
Item
Description
Route Automatically
If checked, CTC routes the circuit automatically based on the parameters that you specify on this page.
Using Required Nodes/Spans
If checked, CTC allows you to choose nodes and spans to include in the automatically routed circuit path before circuit completion.
Review Route Before Creation
If checked, CTC allows you to review and modify the circuit route before circuit creation.
Check Time Slot Changes
If checked, CTC checks for the changes in time slot.
Fully Protected Path
If checked, CTC creates a fully protected circuit route based on the path diversity option you choose. Fully protected paths might or might not have SNCP path segments (with primary and alternate paths), and the path diversity options apply only to SNCP path segments, if any exist.
Nodal Diversity Required
Ensures that the primary and alternate paths within SNCP portions of the complete circuit path are nodally diverse.
Nodal Diversity Desired
Specifies that node diversity is preferred, but if node diversity is not possible, CTC creates fiber-diverse paths for the SNCP portion of the complete circuit path.
Link Diversity Only
Specifies that only fiber-diverse primary and alternate paths for SNCP portions of the complete circuit path are needed. The paths might be node-diverse, but CTC does not check for node diversity.
Protection Channel Access
If Fully Protected Path is not checked and the circuit is routed on an MS-SPRing, click this check box to route the circuit on a MS-SPRing protection channel. Circuits routed on PCA are unprotected.
Dual Ring Interconnect
If the circuit is routed on an SNCP dual-ring interconnect (DRI), clicking this check box routes the circuit on the DRI.
Overlay Ring
If checked, routes traffic around multiple rings in an overlay ring configuration, passing through one or more nodes more than once.
Back
Displays the previous Circuit Creation wizard page. The page that appears depends on the circuit type and provisioning.
Next
Displays the next Circuit Creation wizard page.
Finish
Creates the circuit.
Cancel
Cancels circuit creation.
Help
Displays context-sensitive help.

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