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Prestige 660H/HW Series User’s Guide
Chapter 25 Internet Access 244
CHAPTER 25
Internet Access
This chapter shows you how to configure the LAN and WAN of your Prestige for Internet
access
.
25.1 Internet Access Overview
Refer to the chapters on the web configurator’s wizard, LAN and WAN screens for more
background information on fields in the SMT screens covered in this chapter.
25.2 IP Policies
Traditionally, routing is based on the destination address only and the router takes the shortest
path to forward a packet. IP Policy Routing (IPPR) provides a mechanism to override the
default routing behavior and alter the packet forwarding based on the policy defined by the
network administrator. Policy-based routing is applied to incoming packets on a per interface
basis, prior to the normal routing. Create policies using SMT menu 25 (see
Chapter 38 on page
342) and apply them on the Prestige LAN and/or WAN interfaces using menus 3.2 (LAN) and
11.3 (WAN).
25.3 IP Alias
IP alias allows you to partition a physical network into different logical networks over the
same Ethernet interface. The Prestige supports three logical LAN interfaces via its single
physical Ethernet interface with the Prestige itself as the gateway for each LAN network.
When you use IP alias, you can also configure firewall rules to control access between the
LAN's logical networks (subnets).
Note: Make sure that the subnets of the logical networks do not overlap.
The following figure shows a LAN divided into subnets A, B, and C.