H3C S7500E Series Command Reference

6-3
LoopBack0 current state: UP
Line protocol current state: UP (spoofing)
Description: LoopBack0 Interface
The Maximum Transmit Unit is 1536
Internet protocol processing : disabled
Physical is Loopback
Last clearing of counters: Never
Last 300 seconds input: 0 bytes/sec, 0 bits/sec, 0 packets/sec
Last 300 seconds output: 0 bytes/sec, 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 drops
0 packets output, 0 bytes, 0 drops
# Display brief information about interface loopback0.
<Sysname> display interface loopback 0 brief
The brief information of interface(s) under route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
Interface Link Protocol Main IP Description
Loop0 UP UP(s) --
# Display information about loopback interface in DOWN state and the relevant causes.
<Sysname> display interface loopback brief down
The brief information of interface(s) under route mode:
Link: ADM - administratively down; Stby - standby
Interface Link Cause
Loop1 ADM Administratively
Table 6-1 display interface loopback command output description
Field Description
current state Physical state of the interface (up or administratively down)
Line protocol current state
State of the data link layer protocol: up (spoofing). Spoofing
refers to the spoofing attribute of the interface. That is, when the
network layer protocol state of the interface is displayed as up,
the corresponding link may not exist, or the corresponding link is
non-permanent and established on demand.
Description Description string of the interface
The Maximum Transmit Unit Maximum transmit unit (MTU) of the interface
Internet protocol processing
State of the network layer protocol, which can be disabled or
enabled (displayed as
Internet Address is
X.X.X.X/XX
Primary
)
Physical is loopback The physical type of the interface is loopback

H3C S7500E Series Specifications

General

Brand	H3C
Model	S7500E Series
Category	Switch
Language	English