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Creating Circuits and VT Tunnels
Procedure: Create a Manually Routed Circuit
If you want to route circuits on protected drops, create the card protection groups before creating
Note
circuits. See the
Log into an ONS 15454 and click the Circuits tab.
Step 1
You can also right-click a source node in network view, select Provision Circuit To, and choose the
Tip
circuit destination node from the menu.
Step 2
Click Create.
Step 3
In the Circuit Creation dialog box
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Figure 6-4
(UPSR circuits only) Set the UPSR Selector Defaults:
Step 4
Cisco ONS 15454 Installation and Operations Guide
6-6
"Create Protection Groups" procedure on page
Name—(optional) Assign a name to the circuit. The name can be alphanumeric and up to 32
characters (including spaces). If you leave the Name field blank, CTC assigns a default name to the
circuit.
Type—Select the type of circuit you want to create: STS, VT (VT1.5), or VT tunnel. The circuit type
determines the circuit-provisioning options that are displayed.
page 6-16
and the
"VT Tunnels" section on page 6-19
Size—Select the circuit size (STS circuits only). The "c" indicates concatenated STSs.
Bidirectional—Check this box to create a two-way circuit; uncheck it to create a one-way circuit
(STS and VT circuits only; VT tunnels are bidirectional).
Number of circuits—Type the number of circuits you want to create. CTC returns to the Circuit
Source page after you create each circuit until you finish creating the number of circuits specified
here.
Auto Ranged—This option is not available with manual circuit routing.
Protected Drops—If this box is checked, CTC only displays protected cards and ports (1:1, 1:N, 1+1
or BLSR protection) as choices for the circuit source and destination.
Creating a circuit
(Figure
6-1), complete the following fields:
for more information.
Chapter 6
Circuits and Tunnels
3-9.
"VT1.5 Cross-Connects" section on
November 2001
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