Chapter 11 LAN
PLA4231 User’s Guide
85
The following table describes the labels in this screen.
11.5 IP Alias Screen
Use this screen to have the PLA4231 apply IP alias to create LAN subnets. Click LAN > IP Alias.
Figure 58 Network > LAN > IP Alias
Table 28 Network > LAN > IP
LABEL DESCRIPTION
Obtain an IP
Address
Automatically
Click this to deploy the PLA4231 as a DHCP client in the network.
When you enable this, the PLA4231 gets its IP address from the network’s DHCP server
(for example, your ISP or router). Users connected to the PLA4231 can now access the
network (i.e., the Internet if the IP address is given by the ISP or a router with Internet
access).
The Web Configurator may no longer be accessible unless you know the IP address
assigned by the DHCP server to the PLA4231. Otherwise, you need to reset the PLA4231
to be able to access the Web Configurator again (see Section 13.7 on page 96 for details
on how to reset the PLA4231).
Also when you select this, you cannot enter an IP address for your PLA4231 in the field
below.
Static IP Address Click this if you want to specify the IP address of your PLA4231. Or if your ISP or
network administrator gave you a static IP address to access the network or the
Internet.
IP Address Type the IP address in dotted decimal notation. The default setting is 192.168.1.2. If
you change the IP address you will have to log in again with the new IP address.
Subnet Mask The subnet mask specifies the network number portion of an IP address.
Gateway IP
Address
Enter a gateway IP address (if your ISP or network administrator gave you one) in this
field.
DNS Server
First DNS Server
Second DNS Server
Select Obtained From ISP if your ISP or router to which the PLA4231 connects
dynamically assigns DNS server information (and the PLA4231's WAN IP address). The
field to the right displays the (read-only) DNS server IP address that the ISP assigns.
Select User-Defined if you have the IP address of a DNS server. Enter the DNS server's
IP address in the field to the right.
Select None if you do not want to configure DNS servers. If you do not configure a DNS
server, you must know the IP address of a computer in order to access it.
Apply Click Apply to save your changes back to the PLA4231.
Cancel Click Cancel to reload the previous configuration for this screen.
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