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HP ProCurve 2650 Install Manual: Testing Twisted-pair Cabling; Testing Switch-to-device Network Communications; Testing End-to-end Network Communications

Hp procurve 2650: install guide.
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Troubleshooting
Hardware Diagnostic Tests

Testing Twisted-Pair Cabling

Network cables that fail to provide a link or provide an unreliable link between
the switch and the connected network device may not be compatible with the
IEEE 802.3 Type 10Base-T, 100Base-TX, or 1000Base-T standards. The
twisted-pair cables attached to the Switch 2650 must be compatible with the
appropriate standards. To verify that your cable is compatible with these
standards, use a qualified cable test device.
Testing Switch-to-Device Network Communications
You can perform the following communication tests to verify that the network
is operating correctly between the switch and any connected device that can
respond correctly to the communication test.
These tests can be performed through the switch console interface from a
terminal connected to the switch or through a Telnet connection, or from the
switch's web browser interface. For more information, see the Management
and Configuration Guide, which is on the Documentation CD-ROM that came
with your switch.
These tests can also be performed from an SNMP network management
station running a program that can manage the switch, for example, HP
TopTools for Hubs & Switches.
Testing End-to-End Network Communications
Both the switch and the cabling can be tested by running an end-to-end
communications test -- a test that sends known data from one network device
to another through the switch. For example, if you have two PCs on the
network that have LAN adapters between which you can run a link-level test
or Ping test through the switch, you can use this test to verify that the entire
communication path between the two PCs is functioning correctly. See your
LAN adapter documentation for more information on running a link test or
Ping test.
4-10
Link Test -- a physical layer test that sends IEEE 802.2 test packets to any
device identified by its MAC address
Ping Test -- a network layer test used on IP networks that sends test
packets to any device identified by its IP address

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