user manual

18-64
Cisco ONS 15600 SDH Procedure Guide, R8.0
October 2007
Chapter 18 DLPs F300 to F399
DLP- F353 Roll Two Cross-Connects on One Optical Circuit Using Automatic Routing
Figure 18-18 Setting Roll Routing Preferences
Step 13
To route the circuit over a protected path, check Fully Protected Path. (If you do not want to route the
circuit on a protected path, continue with Step 14.) CTC creates a primary and alternate circuit route
(virtual SNCP) based on the following nodal diversity options. Select one of the following choices and
follow subsequent window prompts to complete the routing:
• Nodal Diversity Required—Ensures that the primary and alternate paths within path-protected
mesh network (PPMN) portions of the complete circuit path are nodally diverse.
• Nodal Diversity Desired—Specifies that node diversity should be attempted, but if node diversity
is not possible, CTC creates link diverse paths for the PPMN portion of the complete circuit path.
• Link Diversity Only—Specifies that only link-diverse primary and alternate paths for PPMN
portions of the complete circuit path are needed. The paths might be node-diverse, but CTC does not
check for node diversity.
Step 14 If you checked Route Automatically in Step 12:
• If you checked Using Required Nodes/Spans, continue with Step 15.
• If you checked only Review Route Before Creation, continue with Step 16.
• If you did not check Using Required Nodes/Spans or Review Route Before Creation, continue with
Step 17.
Step 15 If you checked Using Required Nodes/Spans in Step 12:
a. In the Roll Route Constraints area, click a node or span on the circuit map.
b. Click Include to include the node or span in the circuit. Click Exclude to exclude the node/span
from the circuit. The order in which you select included nodes and spans sets the circuit sequence.
Click spans twice to change the circuit direction.
c. Repeat Step b for each node or span you wish to include or exclude.
d. Review the circuit route. To change the circuit routing order, select a node in the Required
Nodes/Lines or Excluded Nodes Links lists, then click the Up or Down buttons to change the circuit
routing order. Click Remove to remove a node or span.