Reference Guide

1520 | C-Series Diagnostics and Debugging
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debug cpu-traffic-stats
c
Enable the collection of CPU traffic statistics.
Syntax
debug cpu-traffic-stats [linecard {all | number}]
To disable debugging, execute the no debug cpu-traffic-stats command.
Parameters
Defaults
Disabled
Command Modes
EXEC Privilege
Command
History
Usage
Information
This command can be used to turn on CPU traffic statistics collection either on a specific linecard or on
all linecards. The statistics currently collected are:
• Numbers of packets trapped due to Egress MTU violation
• Numbers of packets trapped due to TTL 1 or IP Options
• Numbers of packets trapped due to TTL 0
This command enables (and disables) the collection of CPU traffic statistics from the time this
command is executed, not from system boot). However, excessive traffic received by a CPU will
automatically turn on the collection of CPU traffic statics. The message is an indication that collection
of CPU traffic is automatically turned on:
Excessive traffic is received by CPU and traffic will be rate controlled.
Related
Commands
show command-history
c
View a buffered time-stamped log of all commands entered by all users.
Syntax
show command-history
Parameters
None
Defaults
None
linecard (OPTIONAL) Enter the keyword linecard to view CPU traffic statistics for a particular
line card.
all Enter the keyword all to specify all line cards.
number
Enter a line card number
Range: 0-7 for the C300
Version 4.2.1.0 Introduced
Note: Use show cpu-traffic-stats to view traffic statistics.
Note: This command must be enabled before the show cpu-traffic-stats command will
display traffic statistics. Dell Force10 recommends that you disable debugging (no debug
cpu-traffic-stats) once troubleshooting is complete.
show cpu-traffic-stats Display CPU traffic statistics.