Troubleshooting guide

CHAPTER

3-1

Cisco Broadband Local Integrated Services Solution Troubleshooting Guide

OL-5169-01

Trouble Isolation Procedures

This chapter presents comprehensive trouble isolation procedures for the Cisco Broadband Local

Integrated Services Solution (BLISS) for Cable.

Trouble isolation covers the following activities, which are described in the following sections:

• Finding System Information, page 3-1

Information, such as port numbers and IP addresses, are needed to perform troubleshooting tasks

• Checking Events and Alarms, page 3-2

• Checking device and communications status

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Aggregation routers (CMTSs)

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Trunking gateways (TGWs)

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Trunk groups (TGs)

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Trunks

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Subscriber terminations (MTAs)

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SS7 signaling links

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Signaling destinations

Finding System Information

Before you begin troubleshooting the solution, be sure you have the following information:

• IP addresses and port numbers for all components

• Passwords for those components, when necessary

• Physical locations of solution components/contact information

• SS7 point codes, if necessary

This information should be available in your solution documentation if you have followed Cisco’s

recommendations for implementing the solution.

• See the Cisco BTS 10200 Site Surveys

• See the Cisco BTS 10200 Cabling Procedures