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S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
21-108
Cisco MDS 9000 Family Command Reference
OL-18089-01, Cisco MDS NX-OS Release 4.x
Chapter 21 S Commands
system health (Configuration mode)
Usage Guidelines
If you do not configure the loopback frequency value, the default frequency of 5 seconds is used for all
modules in the switch.
Note
The
no
form of the command is not supported for the
frame-length
,
auto
, and
frequency
options.
Examples
The following example disables OHMS in this switch.
switch#
config terminal
switch(config)#
no system health
System Health is disabled.
The following example enables (default) OHMS in this switch.
switch(config)#
system health
System Health is enabled.
The following example enables OHMS in this interface.
switch(config)#
no system health interface fc8/1
System health for interface fc8/13 is enabled.
The following example disables OHMS in this interface.
switch(config)#
system health interface fc8/1
System health for interface fc8/13 is disabled.
The following example configures the loopback frequency to be 50 seconds for any port in the switch.
switch(config)#
system health loopback frequency 50
The new frequency is set at 50 Seconds.
The following example configures the loopback frame-length to auto.
switch(config)#
system health loopback frame-length auto
Loopback frame-length auto-size mode is now enabled.
The following example prevents the switch from taking any failure action.
switch(config)#
system health failure-action
System health global failure action is now enabled.
The following example prevents the switch configuration from taking OHMS action (default) in case of
a failure.
switch(config)#
no system health failure-action
System health global failure action now disabled.
Related Commands
Command
Description
system health
external-health
Explicitly runs an external Online Health Management System (OHMS)
loopback test on demand for a specified interface or module.
system health
internal-loopback
Explicitly runs an internal OHMS loopback test on demand for a specified
interface or module.
system health
serdes-loopback
Explicitly runs an internal OHMS Serializer/Deserializer (Serdes) loopback
test on demand for a Fibre Channel interface.