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Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
OL-17502-01
Chapter 6 Troubleshooting the Cisco IOS XR Software
Basic Troubleshooting Commands
The following sections provide information on debugging:
• Viewing a List of Debug Features, page 6-4
• Enabling Debugging for a Feature, page 6-5
• Viewing Debugging Status, page 6-5
• Disabling Debugging for All Services Started at the Active Terminal Session, page 6-6
• Disabling Debugging for All Services Started at All Terminal Sessions, page 6-6
Caution Debug commands can generate a very large amount of output and can render the system unusable. Use
debug to troubleshoot specific problems or during specific troubleshooting sessions on systems that are
not in production.
Viewing a List of Debug Features
To display a list of the available debug features, Type 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)# ?
aaa AAA Authentication, Authorization and Accounting
adjacency Adjacency debug
adjacency platform AIB information
aib AIB information
alarm-logger Turn on alarm debugging
arm IP Address Repository Manager
arp IP ARP transactions
asic-errors Debug ASIC erors
asic-scan Debug Asic Scan
--More--
In the next example, administration EXEC mode is the entry point to debug mode:
RP/0/RSP1/CPU0:router# admin
RP/0/RSP1/CPU0:router(admin)# debug
RP/0/RSP1/CPU0:router(admin-debug)# ?
cctl Chassis control driver process debug
cetftp Control ethernet TFTP (CE-TFTP) server process debug
cpuctrl Debug Cpuctrl Driver
describe Describe a command without taking real actions
diagnostic Diagnostic debugging
dsc dsc debug: all, fsm, table, cfg, and api
dumper Admin Debug Dumper
exit Exit from this submode
fabric Fabric debugging
fabricq Debug Fabric Queue Manager
fia Debug the Fabric Interface ASIC (FIA) driver
gsp Admin Debug gsp
ingressq Debug Ingress Queue Manager
install Install debug information
inv Inventory manager process debug
invd Inventory debug: all, trap, dll mem
invmgr Inventory Manager client API interface debug
ntp NTP information
oird oird all, event, message
pair DRP Pairing debug: Display debugging messages of drp_pairing