54 CHAPTER 2: PORT OPERATION
Perform the following configuration in System View.
Note that if the copy source is an aggregation group, take the port with minimum
ID as the source; if the copy destination is an aggregation group, make the
configurations of all group member ports identical with that of the source.
Displaying and
Debugging Ethernet
Port
After the above configuration, enter the display command in any view to display
the running of the Ethernet port configuration, and to verify the effect of the
configuration.
Enter the reset command in User View to clear the statistics information of the
port.
Enter the loopback command in Ethernet Port View to check whether the
Ethernet port works normally. In the process of the loopback test, the port cannot
forward any packets. The loop test will finish automatically after a short time.
Note that:
■ The loopback test cannot be performed on a port disabled by the shutdown
command. During the loopback test, the system will disable
speed, duplex,
mdi and shutdown operation on the port. Some ports do not support the
loopback test. If performing this command in these ports, you will see the
system prompt.
■ After 802.1X is enabled, the port information cannot be reset.
Ethernet Port
Configuration Example
Networking Requirements
Switch A is connected to Switch B through Trunk port Ethernet1/0/1. Configure
the trunk port with a default VLAN ID, so that:
Table 43 Copying Port Configuration to Other Ports
Operation Command
Copy port
configuration to
other ports
copy configuration source {
interface_type
interface_number
|
interface_name
| aggregation_group
agg_id
} destination {
interface_list
[
aggregation_group
agg_id
] | aggregation_group
agg_id
}
Table 44 Displaying and Debugging Ethernet Port
Operation Command
Perform loopback test on the Ethernet
port.
loopback { external | internal }
Display all port information display interface {
interface_type
|
interface_type interface_num
|
interface_nam
}
Display port information of a specific unit display unit
unit_id
interface
Display hybrid port or trunk port display port { hybrid | trunk }
Display the state of loopback detection on
the port.
display loopback-detection
Clear statistics information of the port reset counters interface [
interface_type
|
interface_type
interface_num
|
interface_name
]
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