HP MSR2000/3000/4000 Router Series Interface Command Reference

180
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
Input: 0 packets, 0 bytes, 0 drops
Output: 0 packets, 0 bytes, 0 drops
# Display brief information about interface Null 0.
<Sysname> display interface null 0 brief
Brief information on interface(s) under route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
Interface Link Protocol Main IP Description
NULL0 UP UP(s) -- aaaaaaaaaaaaaaaaaaaaaaaaaaa
# Display brief information about interface Null 0, including the full description of the null interface.
<Sysname> display interface null 0 brief description
Brief information on interface(s) under route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
Interface Link Protocol Main IP Description
NULL0 UP UP(s) -- aaaaaaaaaaaaaaaaaaaaaaaaaaaaa
For the command output, see Table 22 and Table 23.
Related commands
• interface null
• reset counters interface null
interface loopback
Use interface loopback to create a loopback interface and enter loopback interface view.
Use undo interface loopback to remove a loopback interface.
Syntax
interface loopback interface-number
undo interface loopback interface-number
Default
No loopback interface exists.
Views
System view
Predefined user roles
network-admin
Parameters
interface-number: Specifies a loopback interface by its number in the range of 1 to 1023..
Usage guidelines
The physical layer state and link layer protocols of a loopback interface are always up unless the
loopback interface is manually shut down. You can establish a connection to a loopback interface to
prevent the connection from being affected by the physical state of the interface and to improve the