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Chapter 5      Troubleshooting
ATM Troubleshooting Commands
debug atm events Command
Use the debug atm events command to display ATM events. The no form of this command disables 
debugging output. Following is the command syntax:
debug atm events
no debug atm events
This command displays ATM events that occur on the ATM interface processor and is useful for 
diagnosing...

  
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ATM Troubleshooting Commands
debug atm packet Command
Use the debug atm packet command to display per-packet debugging output. The output reports 
information online when a packet is received or a transmission is attempted. The no form of this 
command disables debugging output. Following is the command syntax:
debug atm packet [interface...

  
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Chapter 5      Troubleshooting
Software Upgrade Methods
Software Upgrade Methods
Following are the methods for upgrading software on Cisco 800-series routers:
Copy the new software image to Flash memory over the LAN or WAN while the existing Cisco IOS 
software image is operating.
Copy the new software image to Flash memory over the LAN while the boot image (ROM...

  
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Recovering a Lost Password
Changing the Configuration Register
This section describes how to change a configuration register.
Step 1Connect an ASCII terminal or a PC running a terminal emulation program to the CONSOLE port on the 
rear panel of the router.
Step 2Configure the terminal to operate at 9600 baud, 8 data bits, no parity, and 1...

  
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Recovering a Lost Password
Resetting the Router
This section describes how to reset the router.
Step 1If break is enabled, go to Step 2. If break is disabled, turn the router off ( O ), wait 5 seconds, and turn 
it on ( | ) again. Within 60 seconds, press the Break key. The terminal displays the ROM monitor prompt. 
Go to Step 3.
NoteSome...

  
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Managing the Cisco Router Web Setup Tool
Resetting the Password and Saving Your Changes
This section discusses how to reset your password and save the changes.
Step 1Enter the configure terminal command to enter configuration mode:
Router# configure terminal
Step 2Enter the enable secret command to reset the enable secret password in the...

  
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Managing the Cisco Router Web Setup Tool
Router security
Router monitoring
Pointers to CRWS Documentation
To find the CRWS Introduction, go to:
http://www.cisco.com/warp/public/cc/pd/nemnsw/rtwbto20/prodlit/cwstu_ds.htm
To  s e e  C RW S  U s e r’s Guide, go to:
http://www.cisco.com/univercd/cc/td/doc/clckstrt/crws/ugcrws30.htm
To see...

  
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Managing the Cisco Router Web Setup Tool 

  
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APPENDIXA
Cisco IOS Basic Skills
Understanding how to use Cisco IOS software will save you time when you are configuring your router. 
If you need a refresher, take a few minutes to read this chapter. If you are already familiar with Cisco IOS 
software, go to Chapter 3, “Basic Router Configuration,” and Chapter 4, “Advanced Router 
Configuration.”
This chapter...

  
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Appendix A      Cisco IOS Basic Skills
Understanding Command Modes
You can use the terminal emulation software to change settings for the type of device that is connected 
to the PC, in this case a router. Configure the software to the following standard VT-100 emulation 
settings so that your PC can communicate with your router:
9600 baud
8 data bits
No parity
1...