Version 
8.3.19.0
Introduced on the S4820T.
Version 8.3.11.0 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
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
To trigger a reboot and restart the system, set the watchdog timer.
S4810 
Syntax
hardware watchdog stack-unit {<0-5> | all}
Defaults Enabled.
Command 
Modes
CONFIGURATION
Command 
History
This guide is platform-specific. For command information about other platforms, 
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 9.0.2.0 Introduced on the S6000.
Version 
8.3.19.0
Introduced on the S4820T.
Version 8.3.11.0 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Introduced on the S-Series.
Usage 
Information
This command enables a hardware watchdog mechanism that automatically 
reboots an Dell Networking OS switch/ router with a single unresponsive unit. This 
behavior is a last-resort mechanism intended to prevent a manual power cycle.
show hardware layer2
Display Layer 2 ACL or eg data for the selected stack member and stack member port-pipe.
S4810 
Syntax
show hardware layer2 {eg-acl | in-acl} stack-unit id port-set 
0–0
602
Debugging and Diagnostics