Chapter 1 15
Getting Started
Using LAN
Table 1-5 Ping Responses
Normal Response for
UNIX
A normal response to the ping command will be a total of 9 or 10 packets
received with a minimal average round-trip time. The minimal average will be
different from network to network. LAN traffic will cause the round-trip time
to vary widely.
Normal Response for
DOS or Windows
A normal response to the ping command will be a total of 9 or 10 packets
received if 10 echo requests were specified.
Error Messages If error messages appear, check the command syntax before continuing with
troubleshooting. If the syntax is correct, resolve the error messages using your
network documentation or by consulting your network administrator.
If an unknown host error message appears, try using the IP address instead of
the hostname. Also, verify that the host name and IP address for the signal
generator have been registered by your IT administrator.
Check that the hostname and IP address are correctly entered in the node
names database. To do this, enter the nslookup <hostname> command
from the command prompt.
No Response If there is no response from a ping, no packets were received. Check that the
typed address or hostname matches the IP address or hostname assigned to the
signal generator in the System
Utility > GPIB/RS-232 LAN > LAN Setup menu.
Ping each node along the route between your workstation and the signal
generator, starting with your workstation. If a node doesn’t respond, contact
your IT administrator.
If the signal generator still does not respond to ping, you should suspect a
hardware problem.
Intermittent Response If you received 1 to 8 packets back, there maybe a problem with the network.
In networks with switches and bridges, the first few pings may be lost until the
these devices ‘learn’ the location of hosts. Also, because the number of
packets received depends on your network traffic and integrity, the number
might be different for your network. Problems of this nature are best resolved
by your IT department.
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