4-3
Table 4-5 Specify the APP to be used at reboot
Operation Command Description
Specify the APP to be used
at reboot
boot boot-loader [ backup-attribute ]
{ file-url | device-name }
Required
Upgrading the Boot ROM
You can use the Boot ROM program saved in the Flash memory of the switch to upgrade the running
Boot ROM. With this command, a remote user can conveniently upgrade the BootRom by uploading the
Boot ROM to the switch through FTP and running this command. The Boot ROM can be used when the
switch restarts.
Table 4-6 Upgrade the Boot ROM
Operation Command Description
Upgrade the Boot ROM boot bootrom { file-url | device-name } Required
Enabling Auto Power Down on the 1000 Mbps Uplink Port
When auto power down is enabled on a 1000 Mbps uplink port, if the port is not connected to another
port, or if the peer port is shut down, the
1000 Mbps uplink port automatically enters the power save state,
so as to lower the power consumption of the switch.
Table 4-7 Follow these steps to enable auto power down on the 1000 Mbps uplink port:
To do… Use the command… Remarks
Enter system view
system-view
—
Enter Ethernet port view
interface interface-type
interface-number
—
Enable auto power down on the
1000 Mbps
uplink port
port auto-power-down
Required
Disabled by default.
Currently, the Ethernet switches only support configuring auto power down on 1000 Mbps uplink ports.
If you configure this feature on a 10/100Base-TX autosensing Ethernet port, the system shows an error
prompt: "Error: Operation not supported!"
Identifying and Diagnosing Pluggable Transceivers
Introduction to pluggable transceivers
At present, four types of pluggable transceivers are commonly used, and they can be divided into
optical transceivers and electrical transceivers based on transmission media as shown in
Table 4-8.
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