9
Enabling auto power-down on an Ethernet interface
When an Ethernet interface with auto power-down enabled has been down for a certain period of
time, both of the following events occur:
• The device automatically stops supplying power to the Ethernet interface.
• The Ethernet interface enters the power save mode.
The time period depends on the chip specifications and is not configurable.
When the Ethernet interface comes up, both of the following events occur:
• The device automatically restores power supply to the Ethernet interface.
• The Ethernet interface restores to its normal state.
To enable auto power-down on an Ethernet interface:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter Ethernet interface
view.
interface
interface-type
interface-number
N/A
3. Enable auto power-down on
the Ethernet interface.
port auto-power-down
By default, auto power-down is
disabled on an Ethernet interface.
Enabling EEE on an Ethernet interface
With Energy Efficient Ethernet (EEE) enabled, a link-up interface enters low power state if it has not
received any packet for a period of time. The time period depends on the chip specifications and is
not configurable. When a packet arrives later, the device automatically restores power supply to the
interface and the interface restores to the normal state.
To enable EEE on an Ethernet interface:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter Ethernet interface
view.
interface
interface-type
interface-number
N/A
3. Enable EEE on the
Ethernet interface.
eee enable
By default, EEE is disabled on
an Ethernet interface.
Setting the statistics polling interval
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter Ethernet interface
view.
interface
interface-type
interface-number
N/A
3. Set the statistics polling
interval for the Ethernet
interface.
flow-interval
interval
By default, the statistics polling
interval is 300 seconds.
To display the interface statistics collected in the last statistics polling interval, use the display
interface command.
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