Chapter 2 117
Programming Fundamentals
Using the LAN to Control the Analyzer
❏ Have any of the following files been deleted or overwritten?
UNIX:
— /etc/hosts
— /etc/inetd.conf
— /etc/services
PCs:
— dependent network files
If you know or suspect that something has changed on your network,
consult with your network administrator.
Timeout Errors Timeout errors such as "Device Timeout," "File
Timeout," and "Operation Timeout," are symptoms of one or both of
the following problems:
— The currently configured timeout limits are too short compared to
the time it takes the LAN to complete some operations. This
problem may occur during periods of increased LAN traffic.
— The LAN connection has failed, or fails occasionally.
To increase your timeout period, refer to your computer
documentation for instructions. Contact your LAN administrator if
problems continue.
Packets Routinely Lost If packets are routinely lost, proceed to the
troubleshooting section in this chapter relating to your network.
Problems Transferring or Copying Files If you have problems
copying files out of or into the analyzer, you might be experiencing
timeout problems. See the previous section on "Timeout Errors."
Common Problems After You’ve Made the Connection
This section describes common problems you may encounter when
using the analyzer on a LAN. It assumes you have been able to connect
to the analyzer in the past. If this is not so, refer to the previous
sections first.
NOTE Pressing Preset does not affect LAN settings, but pressing System,
Restore Sys Defaults will reset to the original factory defaults. You will
then have to re-set the instrument IP address and other LAN settings
in System, Config I/O.
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