Cisco WRVS4400N - Small Business Wireless-N Gigabit Security Router Podręcznik Użytkownika Pobierz pdf (Strona 13)

Chapter 2: Networking and Security Basics

The Use of IP Addresses

Wireless-N Gigabit Security Router with VPN

Figure 2-1: Example network

The Use of IP Addresses

IP stands for Internet Protocol. Every device in an IP-based network, including PCs, print servers, and routers,

requires an IP address to identify its location, or address, on the network. This applies to both the Internet and

LAN connections.

There are two ways of assigning IP addresses to your network devices.

NOTE: Since the Router is a device that connects two

networks, it needs two IP addresses—one for the LAN,

and one for the Internet. In this User Guide, you’ll see

references to the “Internet IP address” and the “LAN

IP address.”

Since the Router uses NAT technology, the only IP

address that can be seen from the Internet for your

network is the Router’s Internet IP address. However,

even this Internet IP address can be hidden on the

Internet by suppressing PING response.

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Cisco WRVS4400N - Small Business Wireless-N Gigabit Security Router Podręcznik Użytkownika Strona 13