Owners Manual

hardware watchdog
To trigger a reboot and restart the system, set the watchdog timer.
S4820T
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.
S4820T
Syntax
show hardware layer2 {eg-acl | in-acl} stack-unit id port-set
0–0
Parameters
eg-acl | in-acl Enter either the keyword eg-acl or the keyword in-acl to
select between ingress or egress ACL data.
stack-unit id Enter the keyword stack-unit to select a stack ID. The
range is 0 to 11 for the S4820T.
port-set 0–0 Enter the keywords port-set with a port-pipe number. .
The range is 0 for the S4820T.
Defaults none
604
Debugging and Diagnostics