1-2
To do... Use the command... Remarks
Set the speed of the
Ethernet port
speed { 10 | 100 | 1000 | auto }
Optional
By default, the speed of an Ethernet
port is determined through
auto-negotiation (the auto keyword).
Set the medium
dependent interface
(MDI) mode of the
Ethernet port
mdi { across | auto | normal }
Optional
Be default, the MDI mode of an
Ethernet port is auto.
Set the maximum frame
size allowed on the
Ethernet port to 9,216
bytes
jumboframe enable
Optional
By default, the maximum frame size
allowed on an Ethernet is 9,216
bytes. To set the maximum frame
size allowed on an Ethernet port to
1,522 bytes, use the undo
jumboframe enable command.
z The speed and mdi commands are not available on the combo port.
z The mdi command is not available on the Ethernet ports of the expansion interface card.
Configuring Port Auto-Negotiation Speed
You can configure an auto-negotiation speed for a port by using the speed auto command.
Take a 10/100/1000 Mbps port as an example.
z If you expect that 10 Mbps is the only available auto-negotiation speed of the port, you just need to
configure speed auto 10.
z If you expect that 10 Mbps and 100 Mbps are the available auto-negotiation speeds of the port, you
just need to configure speed auto 10 100.
z If you expect that 10 Mbps and 1000 Mbps are the available auto-negotiation speeds of the port,
you just need to configure speed auto 10 1000.
Follow these steps to configure auto-negotiation speeds for a port:
To do... Use the command... Remarks
Enter system view
system-view
—
Enter Ethernet interface
view
interface interface-type
interface-number
—
Configure the available
auto-negotiation speed(s)
for the port
speed auto [ 10 | 100 |
1000 ]*
Optional
By default, the port speed is
determined through auto-negotiation.
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