Guidelines For Using Debug Commands - Cisco 1812W - Integrated Services Router Wireless Configuration Manual

ATM Troubleshooting Commands
Table 14-2
Table 14-2 show atm interface Command Output Description
Field
ATM interface
AAL enabled
Maximum VCs
Current VCCs
Maximum
Transmit
Channels
Max Datagram
Size
PLIM Type
debug atm Commands
Use the debug commands to troubleshoot configuration problems that you might be having on your
network. The debug commands provide extensive, informative displays to help you interpret any
possible problems.

Guidelines for Using Debug Commands

Read the following guidelines before using debug commands to ensure appropriate results.
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Caution Debugging is assigned a high priority in your router CPU process, and it can render your router unusable.
For this reason, use debug commands only to troubleshoot specific problems. The best time to use debug
commands is during periods of low network traffic so that other activity on the network is not adversely
affected.
You can find additional information and documentation about the debug commands in the
Debug Command
debug atm errors Command
Use the debug atm errors command to display ATM errors. The no form of this command disables
debugging output.
Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide
14-6
describes some of the fields shown in the command output.
Description
Interface number. Always 0 for the Cisco 1800 fixed-configuration routers.
Type of AAL enabled. The Cisco 1800 fixed-configuration routers support AAL5.
Maximum number of virtual connections this interface supports.
Number of active virtual channel connections (VCCs).
Maximum number of transmit channels.
Configured maximum number of bytes in the largest datagram.
Physical layer interface module (PLIM) type.
All debug commands are entered in privileged EXEC mode.
To view debugging messages on a console, enter the logging console debug command.
Most debug commands take no arguments.
To disable debugging, enter the undebug all command.
To use debug commands during a Telnet session on your router, enter the terminal monitor
command.
Reference.
Example 14-4 shows a sample output.
Chapter 14 Troubleshooting
Cisco IOS
OL-6426-02