Ubiquiti Networks airRouter HP User's Guide Page 32

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Chapter 6: Network TabAirRouter
HP User Guide
Ubiquiti Networks, Inc.
SOHO Router > WAN Network
Settings
WAN IP Address This is the IP address to be represented
by the WAN interface which is connected to the external
network. This IP address can be used for routing and
device management purposes.
The WAN interface can be set for static IP or can be set to
obtain an IP address from the DHCP server which should
reside on the external network. One of the IP assignment
modes must be selected for the external network
interface:
• DHCP Choose this option to obtain the IP address,
Gateway and DNS address dynamically from an external
DHCP server.
• PPPoE Choose this option to obtain the IP address,
Gateway and DNS address dynamically from an external
PPPoE server.
• Static Choose this option to assign static IP settings for
the external interface.
DHCP
DHCP Fallback IP If the AirRouter HP is set to DHCP but is
unable to obtain an IP address from a valid DHCP server, it
will fall back to the static IP address listed here.
DHCP Fallback Netmask If the AirRouter HP is set to
DHCP but is unable to obtain an IP address from a valid
DHCP server, it will fall back to the static Netmask listed
here.
MTU Defines the size (in bytes) of the largest protocol
data unit the layer can pass on. When using slow links,
large packets can cause some delays thereby increasing
lag and latency.
Enable DMZ The Demilitarized Zone (DMZ) can be
enabled and used so that services such as Web Servers,
Proxy Servers, and E-mail Servers can still serve the local
network and are at the same time isolated from it for
additional security. DMZ is commonly used with NAT
functionality as an alternative to Port Forwarding but DMZ
opens all ports of the host network device to the external
network.
• DMZ Management Port Web Management Port for the
AirRouter HP (TCP/IP port 80 by default) will be used for
the host device if the DMZ Management Port option is
enabled.
•
DMZ IP Enter the IP address of the internal network
device and the device will be completely exposed to the
external network.
Auto IP Aliasing Automatically generates an IP Address
for the corresponding WLAN/LAN interface if enabled.
The generated IP address is a unique Class B IP address
from the 169.254.X.Y range (Netmask 255.255.0.0) which is
intended for use within the same network segment only.
Auto IP always starts with 169.254.X.Y while X and Y are
last 2 digits from the MAC address of the device (i.e. if the
MAC is 00:15:6D:A3:04:FB, Generated unique Auto IP will
be 169.254.4.251).
IP Aliases IP aliases for the internal and external network
interface can be configured. IP Aliases can be specified
using the IP Aliases configuration window which is opened
when you click Configure.
• IP The alternative IP address for the LAN or WLAN
interface, which can be used for the routing or device
management purposes.
•
Netmask The network address space identifier for the
particular IP Alias.
• Comment Field used for a brief description of the
purpose of the alias.
•
Enabled Enables or disables the particular IP Alias. All
added IP Aliases are saved in the system configuration
file, however only the enabled IP Aliases are active on
the AirRouter HP.
Newly-added IP Aliases can be saved by click the Save
button or discarded by clicking the Cancel button in the
Aliases configuration window.
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