Specifications

CHAPTER

2-1

Cisco ONS 15454 Troubleshooting and Maintenance Guide

November 2001

General Troubleshooting

This chapter provides solutions for the most common problems encountered when operating a Cisco

ONS 15454. To troubleshoot specific ONS 15454 alarms, use Chapter 1, “Alarm Troubleshooting.” The

Problem List is an alphabetized list of the chapter’s procedures and their page numbers. The problem

areas are grouped by topic; if you cannot find what you are looking for in this chapter or Chapter 1,

“Alarm Troubleshooting,” contact the Cisco Technical Assistance Center (TAC) at 1-877-323-7368.

2.1 Problem List

Table 2-1 Type of Problem and Solution Location

Problem Area Section or Procedure

Network Tests

Perform a Facility Loopback on a Source DS-N Card,

page 2-4

Perform a Hairpin on a Source Node, page 2-8

Perform a Hairpin on a Destination Node, page 2-10

Perform a Terminal Loopback on a Destination DS-N

Card, page 2-6

Perform a Facility Loopback on a Destination DS-N

Card, page 2-13

Using the DS3XM-6 Card FEAC (Loopback)

Functions, page 2-16

CTC Operation and Connectivity

Browser Stalls When Downloading jar File From

TCC+, page 2-17

Browser Cache Points to an Invalid Directory, page

2-18

Clear the CTC Cache File, page 2-18

Node Icon is Grey on CTC Network View, page 2-19

CTC Cannot Launch Due to Applet Security

Restrictions, page 2-20

Java Runtime Environment Incompatible, page 2-20