Troubleshooting guide

A-3
ATM and Layer 3 Switch Router Troubleshooting Guide
OL-1969-01
Appendix
Using the Debug Interface
Using the debug ? Command
To list and see a brief description of all the debug command options, at the command line enter the
debug ? command in privileged EXEC mode, as shown in the following example:
Switch# debug ?
aaa AAA Authentication, Authorization and Accounting
all Enable all debugging
arp IP ARP and HP Probe transactions
async Async interface information
atm ATM interface packets
broadcast MAC broadcast packets
callback Callback activity
cdp CDP information
ces-iwf CES-IWF Info
chat Chat scripts activity
compress COMPRESS traffic
custom-queue Custom output queueing
dialer Dial on Demand
dnsix Dnsix information
domain Domain Name System
eigrp EIGRP Protocol information
ethernet-interface Ethernet network interface events
filesys File system information
general Rhino General Debug
ip IP information
ipc Interprocess communications debugging
lane LAN Emulation
list Set interface or/and access list for the next debug command
modem Modem control/process activation
ntp NTP information
nvram Debug NVRAM behavior
packet Log unknown packets
ports Rhino Ports Info
ppp PPP (Point to Point Protocol) information
priority Priority output queueing
probe HP Probe Proxy Requests
rif RIF cache transactions
serial Serial interface information
snmp SNMP information
sscop SSCOP
standby Hot standby protocol
tacacs TACACS authentication and authorization
tag-switching Tag Switching
telnet Incoming telnet connections
tftp TFTP packets
token Token Ring information
tunnel Generic Tunnel Interface
Switch#
Note Not all debug commands listed in the output of the debug ? command are described in this
document. Commands included here assist you in diagnosing network problems.