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658 CHAPTER 44: LOGICAL INTERFACE CONFIGURATION COMMANDS
Parameter number: Loopback interface number, which can be the number of any existing
Loopback interface.
Description Use the
display interface loopback command to view the relevant information
about the existing Loopback interfaces. If you do not provide a Loopback interface
number, this command will display the relevant information about all the existing
Loopback interfaces.
Related command: interface loopback.
Example # View the status of Loopback 12.
<Sysname> display interface loopback 12
LoopBack12 current state: UP
Line protocol current state: UP (spoofing)
Description: LoopBack12 Interface
The Maximum Transmit Unit is 1536
Internet protocol processing : disabled
Physical is Loopback
Last 300 seconds input: 0 bytes/sec 0 packets/sec
Last 300 seconds output: 0 bytes/sec 0 packets/sec
0 packets input, 0 bytes, 0 drops
0 packets output, 0 bytes, 0 drops
display interface mfr
Syntax display interface mfr [ mfr-number ]
View Any view
Parameter mfr-number: Multilink frame relay (MFR) interface number, which can be the
number of any existing MFR interface.
Table 117 Description on the fields of the display interface loopback command
Field Description
current state Physical state of the interface: UP/DOWN
Line protocol current state State of the link layer protocol: UP/DOWN
Description Description string of the interface
The Maximum Transmit Unit Maximum transmit unit (MTU) of the interface
Internet protocol processing Processing state of the network layer protocol:
enabled/disabled
Physical Physical type of the interface
Last 300 seconds input: 0 bytes/sec 0
packets/sec
Last 300 seconds output: 0 bytes/sec
0 packets/sec
0 packets input, 0 bytes, 0 drops
0 packets output, 0 bytes, 0 drops
Statistics on packets sent/received over the physical
layer