Chapter 12 Troubleshooting; Getting Started; Before Contacting Cisco Or Your Reseller - Cisco 520-T1 - Small Business Pro SR Secure Router Software Configuration Manual

Troubleshooting
Use the information in this chapter to help isolate problems you might encounter or to rule out the router
as the source of a problem. This chapter contains the following sections:
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Getting Started

Before troubleshooting a software problem, you must connect a terminal or PC to the router using the
light-blue console port. With a connected terminal or PC, you can view status messages from the router
and enter commands to troubleshoot a problem.
You can also remotely access the interface (Ethernet, ADSL, or telephone) by using Telnet. The Telnet
option assumes that the interface is up and running.

Before Contacting Cisco or Your Reseller

If you cannot locate the source of a problem, contact your local reseller for advice. Before you call, you
should have the following information ready:
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OL-14210-01
Getting Started
Before Contacting Cisco or Your Reseller
ADSL Troubleshooting
ATM Troubleshooting Commands
Software Upgrade Methods
Recovering a Lost Password
Chassis type and serial number
Maintenance agreement or warranty information
Type of software and version number
Date you received the hardware
Brief description of the problem
Brief description of the steps you have taken to isolate the problem
C H A P T E R
Cisco Secure Router 520 Series Software Configuration Guide
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