Managing Physical Interfaces Basic Parameters Configurations
User Guide
91
Step 4 Configure basic parameters for the port:
description
string
Give a port description for identification.
string
: Content of a port description, ranging from 1 to 16 characters.
shutdown
no shutdown
Use shutdown to disable the port, and use no shutdown to enable the port. When the
status is enabled, the port can forward packets normally, otherwise it will discard the
received packets. By default, all ports are enabled.
speed { 10 | 100 | 1000 | 10000 | auto }
Set the appropriate speed mode for the port.
10 | 100 | 1000 | 10000 | auto: Speed mode of the port. The options are subject to your
actual product. The device connected to the port should be in the same speed and duplex
mode with the port. When auto is selected, the speed mode will be determined by auto-
negotiation.
duplex { auto | full | half }
Set the appropriate duplex mode for the port.
auto | full | half: Duplex mode of the port. The device connected to the port should be in the
same speed and duplex mode with the port. When auto is selected, the duplex mode will be
determined by auto-negotiation.
flow-control
Enable the switch to synchronize the data transmission speed with the peer device,
avoiding the packet loss caused by congestion. By default, it is disabled.
Step 5 show interface configuration [ fastEthernet
port
| gigabitEthernet
port
| | ten-
gigabitEthernet
port
| port-channel
port-channel-id
]
Verify the configuration of the port or LAG.
Step 6 end
Return to privileged EXEC mode.
Step 7 copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to implement the basic configurations of port1/0/1,
including setting a description for the port, configuring the jumbo frame, making the port
automatically negotiate speed and duplex with the neighboring port, and enabling the flow-
control:
Switch#configure
Switch#jumbo-size 9216
Switch(config)#interface gigabitEthernet 1/0/1
Switch(config-if)#no shutdown
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