3Com 5500-EI PWR - Ethernet Port Configuration; Initially Configuring a Port; Port Basic Configuration

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1 Port Basic Configuration
When performing basic port configuration, go to these sections for information you are interested in:
z Ethernet Port Configuration
z Ethernet Port Configuration Example
z Troubleshooting Ethernet Port Configuration
Ethernet Port Configuration
Initially Configuring a Port
Follow these steps to initially configure a port:
To do... Use the command... Remarks
Enter system view
system-view
—
Enter Ethernet port view
interface interface-type
interface-number
—
Enable the Ethernet port
undo shutdown
Optional
By default, the port is enabled.
Use the shutdown command to
disable the port.
Set the description string
for the Ethernet port
description text
Optional
By default, the description string of an
Ethernet port is null.
Set the duplex mode of
the Ethernet port
duplex { auto | full | half }
Optional
By default, the duplex mode of the
port is auto (auto-negotiation).
Set the speed of the
Ethernet port
speed { 10 | 100 | 1000 | auto }
Optional
z By default, the speed of an
Ethernet port is determined
through auto-negotiation (the auto
keyword).
z Use the 1000 keyword for Gigabit
Ethernet ports only.
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
1,536 bytes, use the undo
jumboframe enable command.