HP A5120 EI Series Configuration Guide

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

HP A5120 EI Series Specifications

General

Uplink Ports	4 x SFP
Stacking	No
Management	CLI, Web, SNMP
Routing Protocols	RIP, OSPF
Power Supply	AC
MAC Address Table Size	16K
Dimensions	440 x 430 x 44 mm
Operating Temperature	0°C to 45°C
Operating Humidity	10% to 90% non-condensing
Model	HP A5120-24G EI Switch (JG234A)
VLANs	4094