120 Chapter2
Programming Fundamentals
Using the LAN to Control the Analyzer
Normal Response for DOS or Windows
A normal response to the ping will be a total of 9, 10, or possibly 11
packets received if 10 echo requests were specified.
Because the number of packets received depends on your network
traffic and integrity, the normal number might be different for your
network.
Error Messages
If error messages appear, then check the command syntax before
continuing with the troubleshooting. If the syntax is correct, then
resolve the error messages using your network documentation, or by
consulting your network administrator.
If an unknown host error message appears, then check that the host
name and IP address for your analyzer are correctly entered from
the front panel. Press
System, Config I/O.
No Response No packets received indicates no response from a ping.
If there is no response, try typing in the IP address with the ping
command, instead of using the hostname. Check that the typed
address matches the IP address assigned in the
System, Config I/O
menu, then check the other addresses in the menu.
Check that the hostname and IP address are correctly entered in the
node names database.
If you are using a UNIX environment, ping each node along the
route between your workstation and the analyzer, starting with the
your workstation. Ping each gateway, then attempt a ping of the
remote file server.
If the analyzer still does not respond to ping, then you should
suspect a hardware problem with the analyzer. To check the
analyzer performance, refer to "Verify the Analyzer Performance" in
this chapter.
Intermittent Response If you received 1 to 8 packets back, there is
probably a problem with the network. Because the number of
packets received depends on your network traffic and integrity, the
number might be different for your network.
Use a LAN analyzer or LAN management software to monitor
activity and determine where bottlenecks or other problems are
occurring. The analyzer will still function, but communications over
the LAN will be slower.
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