
76
C PING Your IP Address
The PING (Packet Internet Groper) command can determine
whether a specific IP address is accessible by sending a packet to
the specific address and waiting for a reply. It can also provide a
very useful tool to confirm if the IP address conflicts with the
camera over the network.
Follow the step-by-step procedure below to utilize the PING
command but first you must disconnect the camera from the
network.
Start a DOS window. Type
ping x.x.x.x
and press [Enter], where
x.x.x.x
is the IP address of the camera.
The succeeding replies as illustrated below will provide useful
explanation to the cause of the problem with the camera’s IP
address.
77
D Troubleshooting
Q: I cannot access the Advanced Day/Night Internet Camera
Server from a web browser.
A:
The possible cause might be the IP Address for the camera is
already being used by another device. To correct the possible
problem, you need to first disconnect the camera from the
network. Then run the PING utility (follow the instructions in
Appendix B - PING Your IP Address
).
Another possible reason is the IP Address is located on a different
subnet. To fix the problem, run the PING utility. If the utility
returns “no response” or similar, the finding is probably correct,
then you should proceed as below:
In Windows 98SE/ME/2000 and Windows NT, double check the
IP Address of the camera is within the same subnet as your
workstation.
Click
Start
>
Setting
>
Control Panel
, and then
Network
. Select
TCP/IP from the
Network
dialog box, and then click
Specify an
IP address
from the
TCP/IP Properties
dialog box. If the
camera is situated on a different subnet than your workstation,
you will not be able to set the IP address from this workstation.
To verify make sure the first 3 sections of the IP address of the
camera corresponds to the first 3 sections of the workstation.
Therefore the IP address of the camera must be set from a
workstation on the same subnet.
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