Ubiquiti AirRouter HP [36/61] Vlan network settings

Ubiquiti AirRouter HP [36/61] Vlan network settings
32
Chapter 6: Network TabAirRouter
HP User Guide
Ubiquiti Networks, Inc.
Port Forwarding Port forwarding allows specific ports of
the hosts residing in the internal network to be forwarded
to the external network (WAN). This is useful for a number
of applications such as FTP servers, VoIP, gaming, etc.
where different host systems need to be seen using a
single common IP address/port.
Port Forwarding rules can be set in the Port Forwarding
window, which is opened by enabling Port Forwarding
and then clicking Configure.
Port Forwarding entries can be specified by using the
following criteria:
• Private IP The IP of the host which is connected to the
internal network and needs to be accessible from the
external network.
• Private Port The TCP/UDP port of the application
running on the host which is connected to the internal
network. The specified port will be accessible from the
external network.
• Type The L3 protocol (IP) type which needs to be
forwarded from the internal network.
• Source IP/mask Source IP/mask is the source IP of the
packet (specified within the packet header), usually it is
the IP of the host system that sends the packets.
• Public Port The TCP/UDP port of the AirRouter HP
which will accept and forward the connections from the
external network to the host connected to the internal
network.
• Comment Enter a brief description of the port
forwarding functionality such as FTP server, Web server,
or game server.
• Enabled Enables or disables the effect of the particular
port forwarding entry. All the added firewall entries are
saved in the system configuration file, however only
the enabled port forwarding entries are used on the
AirRouter HP.
Save your port forwarding entries by clicking Save or
discard your changes by clicking Cancel.
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.
SOHO Router > VLAN Network
Settings
Enable VLAN 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.
VLAN ID The VLAN ID is a unique value assigned to
each VLAN at a single device; every VLAN ID represents
a different Virtual Network. In AirOS 5.3.3 VLAN ID range
values between 2 and 4094 are allowed. AirOS 5.3.3 only
allows for one VLAN ID per device.
VLAN Network Defines which network interface will be
assigned to the specified VLAN ID.

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