3Com FlexWATCH 3110 user manual IP assignment, Key Words for Network

Models: FlexWATCH 3110

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Network Video Server

User’s Manual

IP assignment

1 Key Words for Network

LAN (Local Area Network) : Under the LAN network, any network device in the same LAN network can be accessed by any other network device. But LAN network can not be accessed from the Internet (WAN).

Most of case, LAN is built after Router which is connected to WAN network so that Network device in the local area network can access to the Internet through Router. Most of case, LAN networked device can not be accessed from the Internet (WAN), unless it is not configured to be accessed from the Internet through NAT function of router.

WAN (Wide Area Network) : WAN enables all network device can be accessed by each other over the Internet. It included Leased Line, Cable modem, xDSL, ISDN and Telephone line etc.

IP address : IP address is abbreviation of Internet Protocol address which allows all network devices can communicate other over the network using Internet protocol. Each network device has its own unit IP address whether or not it is in the LAN or WAN network. Therefore network devices can be accessed by other network device from either LAN or WAN (Internet).

For example, www.yahoo.com is a web server which has its own IP address so that any body can has access to Yahoo web site. Like most of public web site has its own IP address. Although IP address can not be seen by the client, domain name (www.yahoo.com) is automatically converted into IP address by DNS server.

Static IP address : A static IP address is an IP address permanently assigned to computer or network devices in a TCP/IP network. Static IP address is usually assigned to network devices which are consistently accessed by any users. For instances, www.yahoo.com has global static IP address. Thus, any body can access to the site. If you want to view live video stream from FlexWATCHTM server over the Internet, you need to assign Global Static IP address.

Depending the network Public Static IP(WAN) or Private Static IP can be assigned to network device.

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Seyeon Tech Co., Ltd

 

- INTPLUS [2005] -

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3Com FlexWATCH 3110 user manual IP assignment, Key Words for Network