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Ubiquiti Networks, Inc.
Chapter 3: AirOS™
AirRouter User Guide
-
Remote Log Port
The TCP/IP port of the host syslog
messages should be sent.
514
is the default port for
the commonly used system message logging utilities.
Every logged message contains at least a System Time
and a Host Name. Usually a particular service name which
generates the system event is specified also within the
message. Messages from different services have different
context and different level of the details. Usually error,
warning or informational system service messages are
reported, however more detailed Debug level messages
can be reported also. The more detailed system messages
are reported, the greater volume of log messages will be
generated.
System
The
System
tab contains administrative options. This page
enables the administrator to reboot the device, set it
back to factory defaults, upload new firmware, backup or
update the configuration and configure the administrator
account.
Device
Device Name (Host name) is the system wide device
identifier. It is reported by the SNMP Agent to authorized
management stations. Device Name will be represented
in popular Router Operating Systems registration screens
and discovery tools.
Device Name
Specifies the system identity.
Interface Language
Allows you to select the language
displayed in the management interface.
English
is the
default language.
Additional language profiles may be uploaded.
Refer to our wiki page at the following URL:
www.ubnt.com/wiki/How_to_import_Language_Profile
Date Settings
Timezone
Specifies the timezone according to GMT
(Greenwich Mean Time).
Enable Startup Date
When enabled, you are able to
modify the device’s startup date.
Startup Date
Specifies the device’s startup date. You
can select a date by clicking the
Calendar
icon or typinh
it in manually. Type the date in the following format:
2 digit month/2 digit day/4 digit year. An example would
be for May 20th, 2010 your would
type
05/20/2010
System Accounts
In this section you can modify the administrator password
to protect your device from unauthorized configuration.
The default administrator’s password should be changed
on the very first system setup:
Administrator Username
Specifies the name of the
system user.
Key button
Press this button in order to change the
administrator password.
Current Password
Enter the current password
associated with the administrator account. It is required
to change the
Password
or
Administrator Username
.
New Password
Enter the new password for the
administrator account.
Verify New Password
Re-enter the new password for
the administrator account.
Note:
Password length is 8 characters maximum,
passwords exceeding 8 characters will be
truncated.
Enable Read-Only Account
Click to enable the read-only
account and configure the username and password to
protect your device from unauthorized access. The default
option is
disabled
.
Read-Only Username
Specifies the name of the system
user.
Key button
Press this button in order to change the
Read-only password.
-
New Password
New password used for read-only
administrator authentication should be specified.
-
Show
Check this to display the read-only password
characters you have typed.
Change
Click to save changes to any of the fields on the
System
tab.
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Ubiquiti Networks, Inc.
Chapter 3: AirOS™
AirRouter User Guide
Configuration Management
The AirRouter configuration is stored in plain text file
(cfg file). Use the
Configuration Management
controls to
backup, restore or update the system configuration file:
Backup Configuration
Click
Download
to download the
current system configuration file.
Upload Configuration
Click
Browse
to navigate to and
select the new configuration file or specify the full path
to the configuration file location. Click
Upload
to use a
previously downloaded configuration file to the system.
The settings of the new configuration will be visible in the
Wireless
,
Network
,
Advanced
,
Services
and
System
tabs of
the Web Management Interface.
Note:
The new configuration is active after
clicking
Apply
and the system reboot
cycle is completed. The previous system
configuration is deleted after you click
Apply
. It
is highly recommended to backup the system
configuration before uploading the new
configuration.
Device Maintenance
The controls in this section are dedicated for the device
maintenance routines: rebooting, resetting, generating of
the support information report.
Firmware Version
Shows the current firmware version.
Build Number
Displays the build number of the firmware
version loaded.
Update
Click to update the device with new firmware.
The device firmware update is compatible with all
configuration settings. System configurations are
preserved while the device is updated with a new
firmware version.
Current Firmware
Displays the version of the AirOS
firmware which is currently operating.
Firmware File
Click
Browse
to locate new firmware
file. Select the file and click
Open
. Once you’ve selected
a new firmware file, click
Upload
to upload the new
firmware to the device. Click
Close this window
to
cancel the new firmware upload process.
Update
The
Update
button should be activated in order
to proceed with firmware upgrade routine (new firmware
image should be uploaded into the system first). Please
be patient, as the firmware upgrade routine can take
3-7 minutes. The AirRouter will be inaccessible until the
firmware upgrade routine is completed.
Do not switch off, do not reboot and do not disconnect
the device from the power supply during the firmware
upgrade process as these actions will damage the device!
It is highly recommended that you backup the system
configuration and the Support Info file before uploading
the new configuration.
Close this window
At this point, closes the firmware
upgrade window if activated. This action will not cancel
the firmware upgrade process.
Reboot
Activate Reboot control in order to initiate full
reboot cycle of the device. Reboot is the same as the
hardware reboot which is similar to the power off - power
on cycle. The system configuration is not modified after
the reboot cycle completes. Any non-applied changes will
be lost.
Reset to Defaults
Use this to reset the AirRouter to
the factory default settings. This option will reboot the
AirRouter and all factory default settings will be restored.
You may want to use the
Backup Configuration
option
to download your current settings before selecting this
option.
Support Info
This will generate a support information
file that the Ubiquiti support engineers can use when
providing customer support. This file only needs be
generated at their request.
Tools
Site Survey
The
Site Survey
tool will search for wireless networks
in range on all supported channels while the device is
operating in
Access Point
or
Station
mode. In
Station
mode,
the channel list can be modified. Refer to the section Link
Setup for details on channel list customization.
Site Survey reports the MAC Address, SSID, Device
Name, Encryption type (if any), Signal Strength/Noise in
dBm, Frequency in GHz and the wireless channel of all
surrounding Access Points.
Refresh the window using the
Scan
button.
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Ubiquiti Networks, Inc.
Chapter 3: AirOS™
AirRouter User Guide
Ping
The
Ping
tool is used to check the preliminary link quality
and packet latency estimation between two network
devices using ICMP packets.
Network Ping
Select Destination IP
A remote system IP can be selected
from the list which is generated automatically or can be
specified manually.
Packet Count
Enter the number of packets to send for
the ping test.
Packet Size
The size of the ICMP packets can be specified
in this field.
Start
The test is started using this button.
Packet loss statistics and latency time evaluation is
provided after the test is completed.
Traceroute
The
TraceRoute
tool allows tracing the hops from the
AirRouter to a selected outgoing IP address. It should be
used for finding the route taken by ICMP packets across
the network to the Destination host.
Destination Host
Enter the IP address of the destination
host to which you want to find the route.
Resolve IP Addresses
Resolution of the IP addresses
(symbolically rather than numerically) can be enabled by
selecting this option.
Start
The test is started using this button.
Speed Test
This utility allows you to test the connection speed
between two UBNT devices that are using firmware
version 5.2 or above. It should be used for a preliminary
throughput estimation between two network devices.
Select Destination IP
A remote system IP can be selected
from the list, which is generated automatically (Select
destination IP) or may be specified manually.
Remote system access credentials (administrator
username - User and Password) should be provided for
the communication between two AirOS powered devices.
This is required in order to establish the TCP/IP based
throughput test.
Remote WEB port
The remote Web port the AirOS
powered device should be specified in order to establish
TCP/IP based throughput test (i.e. 443 port should be
specified if HTTPS is enabled in the remote system). The
ICMP throughput measurement routine will be initiated if
the WEB port of the remote system is incorrect.
Show Advanced Options
Enables additional Speed Test
utility options. There are 3 options available for the traffic
direction while estimating the throughput maximum:
Direction
There are three directions to choose from:
Duplex
Estimates the incoming (Rx) and the outgoing
(Tx) throughput at the same time.
Receive
Estimates the incoming (Rx) throughput.
Transmit
Estimates the outgoing (Tx) throughput.
Test Results
Displays three result categories:
Rx
Displays the estimated incoming throughput.
Tx
Displays the estimated out-coming throughput.
Total
Displays the aggregated throughput.
AirView
AirView is a Spectrum Analyzer allowing you to see the
crowdedness of the radio spectrum. You need to run this
tool on a system connected to the AirRouter via Ethernet.
All wireless connections will be disconnected from the
AirRouter.
Note:
Launching AirView will terminate all
wireless connections on the device.
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Ubiquiti Networks, Inc.
Chapter 3: AirOS™
AirRouter User Guide
Note:
Java Runtime Environment 1.6 (or above) is
required to use the Airview tool.
Main View
Device
Displays the device name, MAC and IP Address of
the device running AirView.
Total RF Frames
Displays the total number of RF frames
gathered for as long as AirView has been running or since
the “Reset All Data” button was pressed.
FPS
Indicates the total number of frames gathered per
second. The wider the interval amplitude, the fewer frames
per second will be gathered.
Reset All Data
Press this button to reset all gathered data.
Use this function when you want to analyze the spectrum
for another place or address.
View
Enable Chart Panel 1 (top)
Enable this option to display
the top chart, Waterfall or Channel Usage, depending
on which you have selected in Preferences. These are
time-based graphs showing the aggregate energy
collected or Channel Usage over time for each frequency
for as long as AirView has been running.
Enable Chart Panel 2 (middle)
Enable this option to
display the middle chart, Waveform. This a time-based
graph showing the aggregate energy collected for each
frequency over time. The color of the energy designates
its amplitude: colder colors stand for lower energy
levels (with blue representing the lowest levels) at that
frequency bin, whereas warmer colors (like yellow, orange
or red) mean higher energy levels at that frequency bin.
Enable Chart Panel 3 (bottom)
When enabled, this graph
displays a traditional Spectrum Analyzer in which energy
(in dBm) is shown in real-time as a function of frequency.
Clear All Markers
Press to reset all previously assigned
markers. Markers are assigned by clicking a point, which
corresponds with a frequency, on the third chart.
Preferences
In this section you can modify AirView
Settings, such as enabling or disabling charts, or
specifying the frequency interval.
Preferences
Charts
Enable Top Chart
Select the chart to be displayed in the
top chart on the main view. There are two options:
Waterfall
This is a time-based graph showing the
aggregate energy collected over time for each
frequency while AirView has been running. The color of
energy designates its amplitude. Colder colors stand for
lower energy levels (with blue representing the lowest
levels) at that frequency bin, whereas warmer colors
(like yellow, orange or red) mean higher energy levels at
that frequency bin.
The Waterfall View’s legend (top-right corner) provides a
numerical guide associating the various colors to power
levels (dBm). The low end of that legend (left) is always
adjusted to the calculated noise floor, and the high end
(right) is set to the highest detected power level since
the start of the session.
Channel Usage
In this graph, each 2.4GHz Wi-Fi
channel is represented by a bar displaying a percentage
showing the relative “crowdedness” of that specific
channel. This percentage is calculated by analyzing both
the popularity and the strength of RF energy in that
channel since the start of an AirView session.
Enable Waveform chart (middle)
Like the Waterfall
chart, this a time-based graph showing the aggregate
energy collected for each frequency over time while
AirView has been running. The color of the energy
designates its amplitude: colder colors stand for lower
energy levels (with blue representing the lowest levels)
at that frequency bin, whereas warmer colors (like
yellow, orange or red) mean higher energy levels at that
frequency bin.
The spectral view over time will essentially display the
steady-state RF energy signature of a given environment.
Enable Real-time chart (bottom)
This graph displays a
traditional Spectrum Analyzer in which energy (in dBm)
is shown in real time as a function of frequency. There are
three traces in this view:
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Ubiquiti Networks, Inc.
Chapter 3: AirOS™
AirRouter User Guide
Current
(Yellow) Shows the real-time energy seen by
the AirRouter as a function of frequency.
Average
(Green) Shows the running average energy
across frequency.
Maximum
(Blue) This trace will update and hold
maximum power levels across the frequency since the
start of an AirView session.
Realtime Traces
The following settings apply only to the Real-time chart:
Current Real-time Trace
When enabled, the real-time
trace will be turned on. This is the yellow outline on the
Real‑time
chart, which represents real-time power level of
each frequency. The refresh speed depends on the FPS.
Averages Trace
This is the green area on the
Real‑time
chart, which represents the average received power
level and considers data for as long as AirView has been
running. You can disable this graph by unchecking the
Enable
checkbox. You may enable only a green outline,
without the shaded area, by unchecking the
Shaded Area
checkbox.
Maximum Power Trace
This is the blue area on the third
chart, which represents the maximum received power
level and considers data for as long as AirView has been
running. You can disable this graph by unchecking the
Enable
checkbox. You may enable only a blue outline,
without the shaded area, by unchecking the
Shaded Area
checkbox.
Frequency Range
Here you can select the amplitude of
the frequencies interval to be scanned. There are some
pre-defined ranges for the most popular bands. However,
you can specify a custom range according to your needs.

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