Netopia 4752 Manuel d'utilisateur télécharger pdf (Page 83)

IP Setup 10-1

The Netopia 4752 uses Internet Protocol (IP) to communicate both locally and with remote networks. This

chapter shows you how to conﬁgure the router to route IP trafﬁc. You also learn how to conﬁgure the router to

serve IP addresses to hosts on your local network.

Netopia’s IP routing features Network Address Translation, Virtual Private Networking (VPNs), and IP address

serving.

This section covers the following topics:

■ “IP Setup” on page 10-2

■ “IP Address Serving” on page 10-10

■ “More Address Serving Options” on page 10-17

■ “DHCP Relay Agent” on page 10-23

■ “Connection Proﬁles” on page 10-25

Network Address Translation allows communication between the LAN connected to the Netopia 4752 and the

Internet using a single (or a few) IP address(es) instead of a routed account with separate IP addresses for

each computer on the network.

Network Address Translation also provides increased security by hiding the local IP addresses of the LAN

connected to the Netopia 4752 from the outside world.

The setup is simpler, so ISPs typically offer Internet accounts supporting Network Address Translation at a

signiﬁcant cost savings.

For a detailed discussion of Network Address Translation, see Chapter 11, “Multiple Network Address

Translation.”

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Netopia 4752 Manuel d'utilisateur Page 83