VLAN Network Settings. Ubiquiti airVision, AIRCAM

airCam ™ User Guide

MTU Enter 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. By default, the MTU is set to 1500 bytes.

Auto IP Aliasing Automatically generates an IP Address for the corresponding 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

LAN IP Aliases configuration window which is opened when you click Configure.

Chapter 6: Network Tab

Firewall Settings

Firewall functionality can be enabled by clicking Enable Firewall.

Firewall rules can be configured, enabled or disabled using the

Firewall configuration window which opens when you click

Configure.

• IP The alternative IP address for the LAN interface, which can be used for the routing or device management purposes.

• Netmask The network address space identifier for the particular IP Alias.

• Comments Field used for a brief description of the purpose of the IP 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 device.

Newly-added IP Aliases can be saved by click the Save button or discarded by clicking the Cancel button in the LAN IP Aliases configuration window.

VLAN Network Settings

Enable VLAN Enable this this feature to allow the management of the device to only occur on a specific management VLAN.

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. VLAN ID range values between 2 and 4094 are allowed.

Only one VLAN ID is allowed per device.

VLAN Network Defines which network interface will be assigned to the specified VLAN ID.

Ubiquiti Networks, Inc.

Firewall entries can be specified by using the following criteria:

Action Allows two specific firewall rules: ACCEPT or DROP. By enabling ACCEPT the packets can pass the firewall unmodified.

When choosing DROP, the packets are denied passage through the firewall and no response is sent.

Interface The interface where filtering of the incoming/passingthrough packets are processed.

IP Type Sets which particular L3 protocol type (IP, ICMP, TCP,

UDP) should be filtered.

Source IP/Mask The source IP of the packet (specified within the packet header), usually it is the IP of the host system which sends the packets.

Src Port The source port of the TCP/UDP packet (specified within the packet header), usually it is the port of the host system application which sends the packets.

Destination IP/Mask The destination IP of the packet (specified within the packet header), usually it is the IP of the system which the packet is addressed to.

Dst Port The destination port of the TCP/UDP packet (specified within the packet header), usually it is the port of the host system application which the packet is addressed to.

Comment Field used to enter a brief description of the firewall entry.

On Enables or disables the effect of the particular firewall entry.

All added firewall entries are saved in system configuration file, however only the enabled firewall entries will be active on the device.

Not Can be used for inverting the Source IP/mask, Source Port,

Destination IP/mask and Destination Port filtering criteria (i.e. if not is enabled for the specified Destination Port value 443, the filtering criteria will be applied to all the packets sent to any

Destination Port except the 443 which is commonly used by

HTTPS).

Click Save to save your firewall entries or click Cancel to discard your changes.

11