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14.4 There appears to be a problem with abnormal network bandwidth between a particular ring station/group of ring stations, or network peripheral, and the network file server.First, check the network file server for the following software and hardware configuration setup parameters and requirements:
 Check the respective NOS and software application manuals for file server
setup concerning network-software-vendor requirements for both software
and hardware prerequisites and their respective configuration.
Are there any identifiable hardware or software configuration setup problems with the network file server?  Take the necessary action to resolve the configuration problem and retest
the ring for proper operation. If the failure symptom is gone, record the
problem in the network maintenance and service log. If the failure symptom
still exists, go to the
next step
.
 Check the file server NIC buffer space specifications
to see if they meet the NOS and software application manufacturers' requirements
for the ring user population and access.
Is the file server's NIC low on required buffer space for the NOS or particular application's operation? Take the necessary action to resolve the problem and retest the ring
for proper operation. If the failure symptom is gone, record the problem
in the network maintenance and service log. If the failure symptom still
exists, go to the
next step
.
Attempt to gather more conclusive fault-isolation
data by running a protocol analysis session on the ring.
Go
to page 15
and focus on the problem by capturing and viewing the high-layer
communication processes and the baseline network bandwidth.
If after using this procedure you cannot conclusively locate the problem
and continue to find failure symptoms that point to a network file server
problem, reference both the NOS software and the particular file server/hardware
manufacturers' instructions.
November 15, 1996 
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