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display interface loopback
Use display interface loopback to display information about the specified or all existing
loopback interfaces.
Syntax
display interface loopback [ interface-number ] [ brief [ description |
down ] ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
loopback interface-number: Specifies a loopback interface by its number, which can be the
number of any existing loopback interface. If you do not specify this argument, the command
displays information about all existing loopback interfaces on the device.
brief: Displays brief interface information. If you do not specify this keyword, the command
displays detailed interface information.
description: Displays complete interface descriptions. If you do not specify this keyword, the
command displays only the first 27 characters of interface descriptions.
down: Displays information about interfaces in down state and the causes. If you do not specify this
keyword, the command displays information about interfaces in all states.
Usage guidelines
This command is supported only after a loopback interface is created.
Examples
# Display detailed information about Loopback 0.
<Sysname> display interface loopback 0
LoopBack0
Current state: UP
Line protocol state: UP(spoofing)
Description: LoopBack0 Interface
Bandwidth: 1000 kbps
Maximum transmission unit: 1536
Internet protocol processing: Disabled
Physical: Loopback
Last clearing of counters: Never
Last 300 seconds input rate: 0 bytes/sec, 0 bits/sec, 0 packets/sec
Last 300 seconds output rate: 0 bytes/sec, 0 bits/sec, 0 packets/sec
Input: 0 packets, 0 bytes, 0 drops
Output: 0 packets, 0 bytes, 0 drops
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