Associating Port Numbers With Nodes - Netopia R7100-C User Reference Manual

Sdsl router

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9-6 User's Reference Guide

When using numbered interfaces, the Netopia Router will use its local WAN IP address and subnet mask to

send packets to the remote router. Both routers have WAN IP addresses and subnet masks associated

with the connection.

If your ISP uses unnumbered (system-based) routing, select Remote IP Address and enter the IP address

your ISP gave you. Then select Remote IP Mask and enter the IP subnet mask of the remote site you will

connect to.

Note: When using unnumbered interfaces, the Netopia Router will use either its local Ethernet IP address

or its NAT (Network Address Translation) address (if so conﬁgured) and subnet mask to send packets to the

remote router. Neither router has a WAN IP address or subnet mask associated with this connection. These

default addresses will request that the remote router dynamically assign an address at the time the

connection is made.

When your Netopia R7100 connects to the ISP, the remote router assigns your Netopia R7100 an IP

address that external users use to communicate with your network.

The following Quick View screen shows an example in which 192.168.100.6 is assigned to the Netopia

R7100. "NAT" indicates that the address was assigned dynamically by Network Address Translation.

Default IP Gateway:

Domain Name Server:

Domain Name: None Provided

----------------MAC Address--------IP Address-------IPX Address---EtherTalk---

Ethernet Hub:

SDSL WAN1:

Profile Name----------Rate--%Use-Remote Address-----Est.-More Info------------

ISP

PWR-+-----WAN1------+--CON--AUX--+-----WAN2------+--EN--+--------LEDS---------

LNK RDY CH1 CH2

Internal users can access the Internet as they always do; the external Internet, however, views all trafﬁc from

the internal network as originating from 192.168.100.6 and all trafﬁc your network receives is addressed to

192.168.100.6.