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Creating Circuits and VT Tunnels
Options include node, slot, port, STS, and VT/DS-1. The options that display depend on the circuit type
and circuit properties you selected in Step 3 and the cards installed in the node. For example, if you are
creating a VT circuit or tunnel, only nodes with XCVT and XC10G cards are displayed. For Ethergroups,
see the
Click Use Secondary Source if you need to create a UPSR bridge/selector circuit entry point in a
multivendor UPSR.
Click Next.
Step 7
Step 8
In the Circuit Destination dialog box, enter the appropriate information for the circuit destination. If the
circuit is bidirectional, you can click Use Secondary Destination if you need to create a UPSR
bridge/selector circuit destination point in a multivendor UPSR. (To add secondary destinations to
unidirectional circuits, see
page
6-8.)
Click Next.
Step 9
Step 10
Under Circuit Routing Preferences
(described in detail in the next step) are available:
Using Required Nodes/Spans—If selected, you can specify nodes and spans to include or exclude in
•
the CTC-generated circuit route.
Review Route Before Creation—If selected, you can review and edit the circuit route before the
•
circuit is created.
If you want the circuit routed on a protected path, select Fully Protected Path. Otherwise, go to
Step 11
Step 12. CTC creates a primary and alternate circuit route (virtual UPSR) based on the nodal diversity
option you select:
•
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. (For information about
PPMN, see the
•
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 may be node-diverse, but CTC does not
check for node diversity.
Figure 6-2
Step 12
Click Finish or Next depending on whether you selected Using Required Nodes/Spans and/or Review
Route Before Creation:
Cisco ONS 15454 Installation and Operations Guide
6-4
"Ethernet Circuit Configurations" section on page
"Create a Unidirectional Circuit with Multiple Drops" procedure on
"Path-Protected Mesh Networks" section on page
Setting circuit routing preferences
9-6.
(Figure
6-2), select Route Automatically. The following options
Chapter 6
Circuits and Tunnels
5-50.)
November 2001
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