HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 2 - LAN Switching Co - Page 51

display interface null, Syntax, Default level, Parameters

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Field Protocol: (s) - spoofing Interface Link Protocol Main IP Description Cause Description If the network layer protocol state of an interface is shown as UP, but its link is an on-demand link or not present at all, its protocol attribute includes the spoofing flag (an s in parentheses). Abbreviated interface name. Physical link state of the interface: • UP-The link is up. • ADM-The link has been administratively shut down. To recover its physical state, perform the undo shutdown command. Protocol connection state of the interface, which can be UP, DOWN, or UP(s). The main IP address of the interface. Description of the interface. The cause of a DOWN physical link. If the port has been shut down with the shutdown command, this field displays Administratively. To restore the physical state of the interface, use the undo shutdown command. NOTE: The switch does not support collecting statistics about average input or output rate of loopback interfaces. These fields display 0. display interface null Syntax display interface [ null ] [ brief [ down ] ] [ | { begin | exclude | include } regular-expression ] View display interface null 0 [ brief ] [ | { begin | exclude | include } regular-expression ] Any view Default level 1: Monitor level Parameters 0: Specifies interface Null 0. The null interface number is fixed at 0, because the device has only one null interface. brief: Displays brief interface information. If you do not specify this keyword, this command displays detailed interface information. down: Displays information about interfaces in DOWN state and the causes. If you do not specify this keyword, this command displays information about interfaces in all states. |: Filters command output by specifying a regular expression. For more information about regular expressions, see Fundamentals Configuration Guide. begin: Displays the first line that matches the specified regular expression and all lines that follow. 43

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43
Field
Description
Protocol: (s) - spoofing
If the network layer protocol state of an interface is shown as UP,
but its link is an on-demand link or not present at all, its protocol
attribute includes the spoofing flag (an
s
in parentheses).
Interface
Abbreviated interface name.
Link
Physical link state of the interface:
•
UP
—The link is up.
•
ADM
—The link has been administratively shut down. To
recover its physical state, perform the
undo shutdown
command.
Protocol
Protocol connection state of the interface, which can be UP,
DOWN, or UP(s).
Main IP
The main IP address of the interface.
Description
Description of the interface.
Cause
The cause of a DOWN physical link. If the port has been shut
down with the
shutdown
command, this field displays
Administratively
. To restore the physical state of the interface, use
the
undo shutdown
command.
NOTE:
The switch does not support collecting statistics about average input or output rate of loopback interfaces.
These fields display
0
.
display interface null
Syntax
display interface
[
null
] [
brief
[
down
] ] [
|
{
begin
|
exclude
|
include
}
regular-expression
]
display interface
null
0
[
brief
] [
|
{
begin
|
exclude
|
include
}
regular-expression
]
View
Any view
Default level
1: Monitor level
Parameters
0
: Specifies interface Null 0. The null interface number is fixed at 0, because the device has only one null
interface.
brief
: Displays brief interface information. If you do not specify this keyword, this command displays
detailed interface information.
down
: Displays information about interfaces in DOWN state and the causes. If you do not specify this
keyword, this command displays information about interfaces in all states.
|
: Filters command output by specifying a regular expression. For more information about regular
expressions, see
Fundamentals Configuration Guide
.
begin
: Displays the first line that matches the specified regular expression and all lines that follow.