clear hardware system-flow
Clear system-flow statistics from selected hardware components.
S-Series, Z-Series
Syntax
clear hardware system-flow layer2 stack-unit 0-7 port-set 0-1 
counters
Parameters
stack-unit 
0-7
Enter the keywords stack-unit followed by 0 to 7 to select a 
particular stack member and then enter one of the following 
command options to clear a specific collection of data.
port-set 
0–1 
counters
Enter the keywords port-set along with a port-pipe number, from 
0 to 1, followed by the keyword counters to clear the system-flow 
counters on the selected port-pipe.
NOTE: S25 models (S25N, S25P, S25V, etc.) have only port-pipe 0.
Defaults none
Command Modes EXEC Privilege
Command History
Version 8.3.11.0 Introduced on the Z9000.
Version 7.8.1.0 Introduced on the S-Series.
Related 
Commands
show hardware stack-unit – displays the data plane or management plane input and output 
statistics of the designated component of the designated stack member.
hardware watchdog
Set the watchdog timer to trigger a reboot and restart the system.
S-Series, Z-Series
Syntax
hardware watchdog
Defaults Enabled.
Command Modes CONFIGURATION
Command History
Version 8.3.11.0 Introduced on the Z9000.
Version 7.8.1.0 Introduced on the S-Series.
Usage 
Information
This command enables a hardware watchdog mechanism that automatically reboots an FTOS 
switch/ router with a single unresponsive unit. This is a last resort mechanism intended to 
prevent a manual power cycle.
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