Configuration procedure – H3C Technologies H3C S12500 Series Switches User Manual

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If a card is isolated or its software is not allowed to be loaded due to hardware failure fix operations,

you can remove the card and then install it to recover the card status.

After configuring in-service diagnosis and failure protection, you can use the display
hardware-failure-detection command to check the running information of the feature.

Configuration procedure

To configure in-service hardware failure diagnosis and failure protection:

Step Command Remarks

1.

Enter system view.

system-view

N/A

2.

Enable in-service
hardware failure

detection and

configure fix actions

taken in case of
hardware failures..

hardware-failure-detection
{ chip | board | forwarding }

{ off | warning | reset | isolate }

The fix actions taken in case of hardware
failures include:

off: Takes no action.

warning: Sends warning messages.

reset: Resets the failed card.

isolate: Shuts down the failed port, isolates

the failed card, prohibits the failed card

from loaded, or powers off the failed card

to reduce the impact of the failure to the
system.

By default, the fix action taken for all
hardware failures is warning.

3.

Enable hardware
failure protection for

aggregation groups.

hardware-failure-protection
aggregation

Optional.
Disabled by default.
This command is effective only when the fix
action is configured as isolate.

4.

Enter Ethernet
interface view.

interface

interface-type

interface-number

N/A

5.

Configure hardware

failure protection for
the port.

hardware-failure-protection
auto-down

Optional.
Enabled by default.
This command is effective only when the fix
action is configured as isolate.

The hardware-failure-protection aggregation and hardware-failure-protection auto-down command

do not take effect on a port in either of the following cases:

The port is configured with the loopback { external | internal } command.

The port is configured with the port up-mode command.

The port is configured as an IRF physical port.

For information about IRF physical ports, see IRF Configuration Guide.

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