76
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Isolate the
specified card.
•
In standalone mode:
board-offline slot
slot-number
•
In IRF mode:
board-offline chassis
chassis-number
slot
slot-number
No card is isolated by default.
3.
Locate the card
problem.
•
In standalone mode:
test diag-offline slot
slot-number
•
In IRF mode:
test diag-offline chassis
chassis-number
slot
slot-number
The fault detection information will be
displayed and saved in logs in the root
directory of the flash. Each log is named in
the format of
diag_slot_time
, where
slot
indicates the location of the card and
time
indicates when the fault detection operation
is performed.
Configuring in-service hardware failure diagnosis
and failure protection
A hardware failure may cause traffic forwarding failures and service interruption. To improve the
automatic failure detection and handling capabilities of the switch, you can configure in-service
hardware failure diagnosis and failure protection.
The in-service hardware failure diagnosis and failure protection feature covers:
•
In-service hardware failure detection for chips, cards, and the forwarding service, and automatic fix
actions taken for the detected failures.
•
Failure protection for ports. When a hardware failure is detected on a port, the switch automatically
shuts down the port.
•
Failure protection for aggregation groups.
When a hardware failure is detected on a member port of an aggregation group:
{
If the member port is configured with the
hardware-failure-protection auto-down
command,
the port is shut down automatically.
{
If the member port is not configured with that command but it is not the last up port in the
aggregation group, the port is also shut down automatically.
{
If the member port is not configured with that command and it is the last UP port in the
aggregation group, the port will not be shut down.
Configuration restrictions and guidelines
•
Before configuring the
hardware-failure-protection auto-down
command on a port, make sure a
backup link exists to avoid service interruption in case the port is shut down.
•
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.
Summary of Contents for S12500 Series
Page 40: ...30 Figure 28 Installing an upper expansion cable management bracket 1 2 3 4 5 6 7...
Page 109: ...99 Figure 74 Replacing a card for the S12504 A Card to be removed B Card to be installed...
Page 149: ...139 Figure 85 Loopback operation on an optical transceiver...
Page 164: ...154 Figure 100 Example of a device label...
