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10.2 A failure symptom appears to be directly related to a problem with a specific network peripheral.Is the network peripheral involved in some network communications with a particular application, or is it using the same directory or file on a particular file server when experiencing the symptom?  Go to page 14 and troubleshoot a possible file server
application or directory/file problem that may be related to the network
peripheral operation.
 Move
the network peripheral to another port on the MAU or wiring hub and recheck
the network peripheral operation.
Did moving the network peripheral to another port resolve the problem? Go to page 4 and troubleshoot a possible MAU or wiring
hub problem.
Troubleshoot the respective lobe cable involved by going
to page 3
. If troubleshooting the lobe cable does not identify any problems
with the lobe cable, come back to this page, using the "back"
command in your browser as often as necessary, and proceed from here.
Test the respective network peripheral for proper software and hardware configuration setup and requirements: If the network peripheral has local disk storage, make sure that all the necessary directories and files for the network peripheral are set up correctly. Make sure that all the necessary hardware is installed in the network peripheral and that it is configured correctly.  Check the network operating system manuals for network peripheral setup
concerning both software and hardware prerequisites.
Did rechecking the network peripheral software and hardware requirements find any incorrect configuration-setup problems? Take the necessary action to resolve the configuration problem and retest
the network peripheral device for proper operation. If the failure symptom
is gone, record the problem in the network maintenance and service log.
If the problem still exists, go to the
next step
.
Attempt to run any available network peripheral
diagnostics. Also try to troubleshoot the network peripheral for any I/O
board conflicts.
Did running the diagnostics or troubleshooting the network peripheral find any problems? Take the necessary action to resolve the problem and retest the network
peripheral for proper operation. If the failure symptom is gone, record
the problem in the network maintenance and service log. If the problem still
exists after retesting, go to the
next step
.
Continue.
Has the NIC in the assigned network peripheral been troubleshot? A network file server-to-network peripheral related problem may exist
as to ring insertion or protocol communication. Perform a protocol analysis
session and focus closely on the communication between the network file
server and the assigned network peripheral. Go to
page
15.
Go to page 5 and troubleshoot the respective network
peripheral station for a NIC problem.
Many network peripherals are being manufactured with internal NICs within
the respective logic board hardware architecture. If the network peripheral
you are troubleshooting has this configuration, attempt to replace the motherboard
rather than going to 5 and troubleshooting the NIC.
If after using this procedure you cannot conclusively locate the problem
and continue to find failure symptoms that point to a network peripheral
problem, reference the manufacturer's instructions.
November 15, 1996 
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