Cisco ONS 15454 SDH Specifications download pdf (Page 253)

100

101

CHAPTER

6-1

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

May 2002

Circuits and Tunnels

This chapter explains how to create and administer Cisco ONS 15454 SDH VC high-order path circuits

and VC low-order path tunnels. Table 6-1 lists the chapter topics.

Note Although you can view the Orderwire tab, SDH Software R3.3 does not support orderwire tunneling.

6.1 Introduction

You can create VC high-order path circuits and VC low-order path tunnels across and within ONS 15454

SDH nodes and assign different attributes to circuits, for example you can:

• Create one-way, two-way, or broadcast circuits

• Assign user-defined names to circuits

• Assign different circuit sizes. The E3 and DS3i cards must use VC low-order path tunnels. E1 cards,

optical cards, and Ethernet cards use VC high-order path circuits. Available sizes are 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

Table 6-1 Circuit and Tunnel Topics

Circuit and Tunnel Topics

6.1 Introduction, page 6-1

6.2 Creating VC High-Order Path Circuits, page 6-2

6.3 Creating VC Low-Order Path Tunnels for Port Grouping, page 6-10

6.4 Creating Multiple Drops for Unidirectional Circuits, page 6-14

6.5 Creating Monitor Circuits, page 6-16

6.6 Searching for Circuits, page 6-17

6.7 Editing SNCP Circuits, page 6-18

6.8 Creating a Path Trace, page 6-19

6.9 Cross-Connect Card Capacities, page 6-23

6.10 Creating DCC Tunnels, page 6-24

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