Quick Reference Guide

Reference Guide for the Model RT338 ISDN Router

Using FirstGear to Configure Internet Access 5-17

Ethernet Tab

The Ethernet tab shown in Figure 5-8 contains the conﬁguration information for the local Ethernet

port.

Figure 5-8. Ethernet Tab

Table 5-6 lists and describes the ﬁelds of the Ethernet tab.

Table 5-6. Ethernet Tab Fields

Field Description

IP Address Enter the IP address of the LAN interface of the router in dotted-decimal notation

(four decimal numbers, between 0 and 255, separated by periods, for example,

192.168.135.5). Every device on the TCP/IP network must have a unique IP

address. If you are using NAT, the IP address is not the address assigned to you by

your ISP.

Subnet Mask Enter the subnetwork mask for the router. Unless you have a special need for

subnetting, use the default subnet mask calculated by the router. All hosts on the

LAN segment should use the same mask.

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