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13-4. Default Gateway
Devices (PCs, cameras, etc.) on your network connect to the Internet via a gateway. For
most home networks, a NAT type router serves as the gateway. For business LANs, the
gateway may be a PC running gateway software. In order for any device on your network to
get connected to the Internet, it must know the LAN IP address of your gateway. If your
camera is set up to use DHCP, then it will retrieve this information automatically from your
router.
However, if you have configured your camera to use a static IP address, you must also be
sure that you have set the correct gateway IP address in order to connect your camera to
the Internet. You camera is now live on the Internet. Browsing your camera from the
Internet is the same as browsing on your LAN except that you must enter your WAN IP
address instead of the LAN IP address.
14. Network Utilities
Microsoft Windows includes various network information utilities to determine various
network configurations. To determine your IP address and network settings, follow the steps
below, depending on your operating system.
14-1. Determining your IP Address and Network Settings
Windows 98/Me:
1. Click on Start Î Run and type in: command and then press ENTER
2. In the MS- DOS window, type in: winipcfg and then press ENTER
3. This will display your network card’s Adapter Address, IP Address, Subnet Mask, and
Default Gateway.
More information regarding WINIPCFG can be obtained by typing in: winipcfg /? at the MS
-DOS prompt.
WINIPCFG is located in the C: \Windows folder.
Windows 2000/XP:
1. Click on Start Î Run and type in: command and then press ENTER
2. In the MS- DOS window, type in: ipconfig and then press ENTER
3. This will display your network card’s IP Address, Subnet Mask, and Default Gateway.
More information regarding IPCONFIG can be obtained by typing in: ipconfig /? at the MS -
DOS prompt.
IPCONFIG is located in the C: \Windows \System32 folder.
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