Displaying And Maintaining An Ethernet Interface - HP A5120 EI Series Configuration Manual

NOTE:

Optical interfaces do not support this feature.

If the link of an Ethernet interface is up, testing its cable connection will cause the link to come down and then go
up.
You can test the cable connection of an Ethernet interface for a short or open circuit. The device displays
cable test results within five seconds. If any fault is detected, the test results include the length of the faulty
cable segment.
Follow these steps to test the cable connection of an Ethernet interface:
To do...
Enter system view
Enter Ethernet interface view
Test the cable connected to the
Ethernet interface

Displaying and maintaining an Ethernet interface

To do...
Display the current state of an
interface and the related
information
Display the summary of an
interface
Display the statistics on the
packets that pass through a
specific type of interfaces
Display the statistics on the rate of
the packets that pass through the
interfaces that are of a specific
type and are in the up state in the
latest sampling interval
Display information about
discarded packets on an interface
Display summary information
about discarded packets on all
interfaces
Display information about a
manual port group or all manual
port groups
Use the command...
system-view
interface interface-type interface-
number
virtual-cable-test
Use the command...
display interface [ interface-type [ interface-
number ] ] [ | { begin | exclude | include }
regular-expression ]
display interface [ interface-type [ interface-
number ] ] brief [ | { begin | exclude |
include } regular-expression ]
display interface [ interface-type ] brief
down [ | { begin | exclude | include }
regular-expression ]
display counters { inbound | outbound }
interface [ interface-type ] [ | { begin |
exclude | include } regular-expression ]
display counters rate { inbound | outbound }
interface [ interface-type ] [ | { begin |
exclude | include } regular-expression ]
display packet-drop interface [ interface-type
[ interface-number ] ] [ | { begin | exclude |
include } regular-expression ]
display packet-drop summary [ | { begin |
exclude | include } regular-expression ]
display port-group manual [ all | name port-
group-name ] [ | { begin | exclude | include
} regular-expression ]
15
Remarks
—
—
Required
Remarks
Available in any view
Available in any view
Available in any view
Available in any view
Available in any view
Available in any view
Available in any view