R21xx-HP FlexFabric 11900 Layer 2 LAN Switching Command Reference

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If the null keyword is not specified, the command displays information about all interfaces of the device.
If the null keyword is specified but the 0 keyword is not specified, the command displays information
about interface Null 0, because the device has only one null interface Null 0.
Examples
# Display detailed information about interface Null 0.
<Sysname> display interface null 0
NULL0 current state: UP
Line protocol current state: UP (spoofing)
Description: NULL0 Interface
The Maximum Transmit Unit is 1500
Internet protocol processing: disabled
Physical is NULL DEV
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 Null 0.
<Sysname> display interface null 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
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
The brief information of 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
Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
For the command output, see Table 11 and Table 12.
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