Cisco ONS 15454 SDH Specifications download pdf (Page 259)

6-7

Cisco ONS 15454 SDH Installation and Operations Guide, R3.3

May 2002

Chapter 6 Circuits and Tunnels

Creating VC High-Order Path Circuits

• Review Route Before Creation—If selected, click Next to display the route for you to review. To add

or delete a circuit span, select a node on the circuit route. Blue arrows show the circuit route. Green

arrows indicate spans that you can add. Click a span arrowhead, then click Include to include the

span or Remove to remove the span.

Step 13 After you click Finish, CTC creates the circuit and returns to the Circuits window. If you entered more

than one in Number of Circuits in Step 3, the Circuit Source dialog box is displayed so you can create

the remaining circuits. If Auto Ranged is checked, CTC automatically creates the number of sequential

circuits that you entered in Number of Circuits. Otherwise, proceed to Step 14.

Step 14 If you are provisioning circuits before installing the traffic cards and enabling their ports, you must

install the cards and enable the ports before circuits will carry traffic. For card installation procedures,

see the “Install Optical, Electrical, and Ethernet Cards” procedure on page 1-33. For ring-related

procedures, see Chapter 5, “SDH Topologies.”

Procedure: Create a Manually Routed High-Order Path Circuit

Step 1 Log into an ONS 15454 SDH and click the Circuits tab.

Tip You can also right-click a source node in network view, choose Provision Circuit To, and choose the

circuit destination node from the menu.

Step 2 Click Create.

Step 3 In the Circuit Creation dialog box (Figure 6-1 on page 6-3), complete the following fields:

• 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 VC_HO_Path_Circuit (HOP). The circuit type determines the circuit-provisioning

options that are displayed. The E1, E3, and DS3i cards must use VC low-order path tunnels. See the

“Creating VC Low-Order Path Tunnels for Port Grouping” section on page 6-10.

• Size—Select the circuit size (VC_HO_Path_Circuits only). VC high-order path circuits can be VC4,

VC4-2c, VC4-3c, VC4-4c, VC4-8c, VC4-16c, and VC4-64c for optical cards and some Ethernet

cards depending on the card type. Of the Ethernet cards, only the G-1000 can use VC4-3c and

VC4-8c. The “c” indicates concatenated VC4s.

• Bidirectional—Check this box to create a two-way circuit; uncheck it to create a one-way circuit.

• 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.

• Protected Drops—If this box is checked, CTC only displays protected cards and ports (1:1, 1:N, 1+1

or MS-SPRing protection) as choices for the circuit source and destination.

Purpose Use this procedure to create a manually routed high-order path circuit.

Prerequisite Procedures If you want to route circuits on protected drops, create the card protection

groups before creating circuits. See the “Create Protection Groups”

procedure on page 3-25.

Onsite/Remote Onsite or remote

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