Polycom 3150-16966-002 User Manual page 21

Chapter 2 – First Time Installation and Configuration
Figure 2-7
Table 2-1
Parameter
Use LAN1
DHCP
IP Address
Subnet Mask
Gateway
NAT
Obtain DNS Server
Address Automatically
Preferred/Alternate
DNS Server
2-6
IP Network Services – LAN Settings
LAN Port Setting Parameters
Description
Enables/disables the network port.
If the user network is configured with a Dynamic Host
Configuration Protocol (DHCP) server, select this option
to automatically obtain the IP address.
Deselect this option to use a static IP address, in which
case you need to configure the next three options.
Set the IP address for this network port.
Set the Subnet Mask for this network port.
Set the gateway address of this port. If Set as Default is
selected and no matched static routes is found, the device
packets will be transmitted via this gateway by default. In
this case, a default route is displayed in the list of Routers
page. For details, see Routers.
The Network Address Translation (
system
enables you to translate the private network IP
address of packet into a public network IP address before
transmission. To enable NAT, select this check box and
then set the public network IP address to be displayed to
the outside in the NAT IP field.
Used in combination with the DHCP option. When the
DHCP check box is selected, this option allows you to
obtain the DNS server address automatically from a DHCP
server in the network.
If you did not select the option for automatic DNS address
discovery, you must enter the preferred/alternate DNS
server addresses here for the device to resolve domain
names.
NAT) function of the