Using The Debug Commands - Cisco ASR 9000 Getting Started Manual

Troubleshooting the Cisco IOS XR Software
Examples
The following example shows how the route for an IP address appears:
RP/0/RSP0/CPU0:router# traceroute 10.233.233.233
Mon May 31 23:55:23.034 DST
Type escape sequence to abort.
Tracing the route to 10.233.233.233
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Using the debug Commands

Debug commands are used to diagnose and resolve network problems. Use debug commands to
troubleshoot specific problems or during troubleshooting sessions.
Use debug commands to turn on or off debugging for a specific service or subsystem. When debugging
is turned on for a service, a debug message is generated each time the debugging code section is entered.
The following sections provide information on debugging:
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Debug commands can generate a large amount of output and can render the system unusable. Use the
Caution
debug commands to troubleshoot specific problems or during specific troubleshooting sessions on
systems that are not in production.
Displaying a List of Debug Features
To display a list of the available debug features, enter the debug mode and enter a ? for on-screen help.
The set of debug mode features is different in EXEC and administration EXEC modes. In the following
example, EXEC mode is the entry point to debug mode:
RP/0/RSP0/CPU0:router# debug
RP/0/RSP0/CPU0:router(debug)# ?
IntCtrl
MgmtMultilink
aaa
access-list
accounting
adjacency
afmon-ea
afmon-lib
afmon-ma
OL-28417-02
ce28 (172.29.52.1) 2 msec
172.24.114.17 0 msec 0 msec
172.24.114.17 !A * !A
Displaying a List of Debug Features, page 139
Enabling Debugging for a Feature, page 141
Disabling Debugging for a Service, page 142
Displaying Debugging Status, page 141
Disabling Debugging for All Services Started at the Active Terminal Session, page 142
Disabling Debugging for All Services Started at All Terminal Sessions, page 142
Debug IntCtrl Driver
MgmtMultilink controller debugging
AAA Authentication, Authorization and Accounting
Debug ethernet-services access-lists
Turn on Accounting debug
platform AIB information
debug afmon-ea services
debug afmon client library specific function calls
Debug afmon-ma services
1 msec 0 msec
0 msec
Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
Basic Troubleshooting Commands
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