3
Item Sub-item Command or
method
Result Remarks
Power supply
display power
□
OK
□
NOK
□
Not related
Make sure the power supplies
are operating correctly.
Evaluate power backup by
referring to the power and
system power consumption.
LED
Examine the status of
all the LEDs on the
device.
□
OK
□
NOK
□
Not related
For more information about
the LED description, see
H3C
S5830 Switch Series
Installation Guide
.
Device operating
status
display device
□
OK
□
NOK
□
Not related
The device must be operating
correctly.
CPU usage
Does the CPU
usage keep
changing between
10% and 60% or
stay at a high level
(the CPU usage
exceeds 60%)?
Execute the
display
cpu-usage
command
repeatedly.
□
OK
□
NOK
□
Not related
Execute the
debug ip packet
command to view the packets
delivered to the CPU and
analyze the cause.
Memory
usage
Does the memory
usage of the device
exceed 60%?
display memory slot
□
OK
□
NOK
□
Not related
If the memory usage exceeds
60%, execute the
display
memory
command to view
memory usage and
troubleshoot the module that
occupies the most memory.
Port
Is the port
operating in
half-duplex mode?
display interface
brief
□
OK
□
NOK
□
Not related
If a port is operating in
half-duplex mode, verify that
the configurations on the two
ends are consistent.
Is flow control
enabled on the
port when not
necessary?
Check the
configuration to see
if flow control is
enabled.
□
OK
□
NOK
□
Not related
Use the
undo flow control
command to disable flow
control on the port.
Are large numbers
of error packets
generated in the
outbound/inbound
direction of the
port?
Use the
display
interface
command
to verify that a large
number of errors are
generated and that
the number keeps
increasing.
□
OK
□
NOK
□
Not related
Do the following:
1.
Examine link quality and
the optical-electrical
converter.
2.
Verify that the
configurations on the two
ends are consistent.
