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Last Restart Reason
If a switch restarted for some reason (automatically or manually), the show rpm slot-id and show
linecard slot-id command outputs include the reason for the restart.
The following table shows the reasons displayed in the output and their corresponding causes.
Table 23. RPM Restart Causes and Reasons
Causes
Power cycle of the chassis
Reload
Table 24. Linecard Restart Causes and Reasons
Causes
Reset of linecard
show hardware Commands
Use the show hardware commands to troubleshoot error conditions by displaying information about a
hardware subcomponent and details from hardware-based feature tables.
NOTE:
Use the show hardware commands only under the guidance of the Dell Networking Technical
Assistance Center (TAC).
•
Display internal interface status of the line-card CPU port which connects to the external management
interface.
show hardware linecard slot—id cpu management statistics
•
Display driver-level statistics for the data-plane port on the CPU for the specified line card.
show hardware linecard slot—id cpu data-plane statistics
The command output provides details about the packet types entering the CPU to see whether CPU-
bound traffic is internal (IPC traffic) or network control traffic, which the CPU must process.
•
Display internal status and driver-level CPU port statistics of the Control Processor and Route Processor.
show hardware cp cpu {data-plane | i2c| management | sata-interface} statistics
show hardware rp cpu {data-plane | i2c| management | sata-interface} statistics
The command output provides details about the packet types entering the CPU to see whether CPU-
bound traffic is internal (IPC traffic) or network control traffic, which the CPU must process.
•
Display detailed information on the modular packet buffers per line card and the mode of allocation.
show hardware linecard slot—id buffer total-buffer
•
Display hardware ACL Information
show hardware { ip | ipv6 | mac } { in-acl | eg-acl } stack-unit 0 port-set
Displayed Reasons
normal power-cycle
normal power-cycle
Displayed Reasons
powered-on
Debugging and Diagnostics
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Troubleshooting
