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Page 6 / 33 Scroll up to view Page 1 - 5
Channel:
This is the
802.11
channel number that corresponds to the operating
frequency
. Device uses the selected
channel
to transmit and receive data. More
information is provided in the
Link Setup
section.
Antenna
:
This shows which antenna option the AirOS device is using currently. Most
of Ubiquiti Devices have 4 antenna options: vertical, horizontal, and Adaptive Antenna
Polarity (AAP) options. There is also often an external antenna option.
Security
: This is the current security setting. More information is provided in the
Link
Setup
section.
ACK Timeout
: displays the current ACK Timeout value, which is set on the device
manually or adjusted automatically. The
ACK Timeout
(Acknowledgement Timeout)
specifies how long the AirOS device should wait for an acknowledgement from partner
device confirming packet reception before concluding the packet must have been in
error and requires resending. ACK Timeout is very important outdoor wireless
performance parameter. More information is provided in the
Advanced
settings section.
Transmit CCQ
: This is an index which assesses the connection quality of the link. It
takes into account transmit errors, latency, and throughput while evaluating the ratio
of successfully transmitted
packets
against the re-transmitted ones and taking into
account current rate ratio against the highest specified rate. The level is based on a
percentage value where 100% corresponds to a perfect link state.
QoS Status
:
displays the current QoS setting. Quality of Service (QoS) can be enabled
to direct link speeds to better service particular customers and/or particular
applications like
VoIP
and video which require greater consistency, stability, and lower
latency performance.
Uptime
: This is the running total of time the device has been running since last power
up (hard-reboot) or software upgrade. The time is expressed in days, hours, minutes
and seconds.
Date
: indicates the current system date and time, expressed in the form “year-month-
day hours:minutes:seconds”. System date and time can be retrieved from the internet
services using
NTP
(Network Time Protocol).
LAN cable
: displays the current status of the
Ethernet
port connection. This can alert
operator/user/technician that
LAN
cable is plugged into device and there is an active
Ethernet
connection.
Host Name
:
displays the customizable name (ID) of the device as it will appear in
popular
Router
Operating Systems registration screens.
LAN MAC
: displays the
MAC address
of the AirOS device
LAN
(
Ethernet
) interface.
LAN IP Address
: displays the current
IP address
of the
LAN
(
Ethernet
) interface.
WLAN MAC
: displays the
MAC address
of the AirOS device
WLAN
(Wireless) interface.
WLAN IP Address
: displays the current
IP address
of the
WLAN
(Wireless) interface.
Page 7 / 33
Note:
LAN IP Address
and
WLAN IP Address
displays the same value - current
IP
address
of the virtual
bridge
interface, while the device is operating in
Bridge
mode.
Statistics Reporting
LAN interface Statistics
LAN Statistics
: section displays the detailed receive and transmit statistics (
Bytes
,
Packets
,
Errors
) of
LAN
(Ethernet) interface. This statistics represents the total amount
of data and packets transfered between devices through the ethernet interface either
way.
Both unicast IP traffic (conversations between two hosts using
HTTP
,
SMTP
,
SSH
and
other protocols) and
broadcast traffic
(while addressing all hosts in a given network
range with a single destination
IP address
) is accounted.
As long as there is some network traffic being generated or passed through the
LAN
interface, Received and Transmitted
Bytes
and
Packets
value will go on increasing.
Errors
value represents the total number of transmitted and received packets for which
an error occurred.
WLAN interface Statistics
WLAN Statistics
: section displays the detailed receive and transmit statistics (
Bytes
,
Packets
,
Errors
) of the
wireless
interface
.
This statistics represents the total amount of unicast and broadcast IP data transfered
between devices through the
wireless
interface
either way.
As long as there is some network traffic being generated or passed through the
'
wireless
interface
, Received and Transmitted
Bytes
,
Packets
and Errors (if any) value
will go on increasing.
PPP interface Statistics
PPP Statistics
: section displays the
IP address
of the
PPP
interface and the detailed
receive and transmit statistics (
Bytes
,
Packets
,
Errors
) of the
PPP
interface.
PPP
statistics are available in
Router
mode only, while
PPPoE
is enabled.
Page 8 / 33
This statistics represents the total amount of unicast and broadcast IP data transfered
between AirOS powered device and
PPPoE
server through the
PPP
tunnel either way.
As long as there is some network traffic being passed through the
PPP
tunnel,
Received and Transmitted Bytes, Packets and Errors (if any) value will go on
increasing.
Refer to the
Network
section for more information about
PPPoE
setup.
WLAN Errors Statistics
WLAN Errors
: section displays the counters of
802.11
specific errors which were
registered on
wireless
interface:
Rx invalid NWID
value represents the number of packets received with a
different NWID or
ESSID
- packets which were destined for another access
point. It can help to detect configuration problems or identify the adjacent
wireless network existence on the same frequency.
Rx Invalid Crypt
value represents the number of transmitted and received
packets which were encrypted with the wrong encryption key and filed the
decryption routines. It can be used to detect invalid
wireless security
settings.
Rx Invalid Frag
value represents the number of packets missed during
transmission and reception. These packets were dropped due to re-assembling
failure as some link layer fragments of the packet were lost
Tx Excessive Retries
value represents the number of packets which failed to
be delivered to the destination. Undelivered packet are retransmitted a number
of times before an error occurs.
Missed beacons
value represents the number beacons (management packets
sent at regular intervals by the Access Point) which were missed by the client.
This indicates that the client is out of range.
Other errors
value represents the total number of transmitted and received
packets that were lost or discarded for other reasons.
The content of the
Main
page can be updated by using the
Refresh
button.
Extra info
Extra Info
: displays the current device usage statistics and status of the system
components in pop-up window:
Status of the Associated Stations
Page 9 / 33
•
Show Stations
: selection lists the stations which are connected to the device
while operating in Access Point mode.
Statistics for all the stations (
RSSI
,
Tx Rate
,
Rx Rate
and
Idle
time) can be
updated using the
Reload
button.
More statistics (
Station Uptime
,
Negotiated Rates
,
Static
WDS Flag,
Tx/Rx Frames
,
Tx/Rx Bytes
) can be retrieved while clicking on the “
+
”
button near MAC address of the each Station entry.
Current Status of the system ARP table
•
Show ARP Table
: selection lists all the entries of the ARP (Address Resolution
Protocol) table currently recorded on the device.
The list can be updated using the
Reload
button.
ARP is used to associate each IP address to the unique hardware address
(MAC) the devices. It is important to have unique IP addresses for each MAC or
else there will be ambiguous routes in the network.
Current Status of the system routing tables
•
Show Routes
: selection lists all the entries in the system routing table, while
the device is operating in Router mode.
The list can be updated using the
Reload
button.
AirOS examines the
destination IP address
of each data packet traveling
through the system and chooses the appropriate interface to forward the
packet to. The system choice depends on static routing rules – entries, which
are registered in system routing table. Static routes to specific hosts, networks
or default gateway are set up automatically according to the IP configuration of
all the AirOS interfaces.
AirOS IP configuration description is provided in the
Link Setup
section.
Page 10 / 33
Current Status of the system bridge table
•
Show Bridge Table
: selection lists all the entries in the system bridge table,
while the device is operating in
Bridge
mode.
The list can be updated using the
Reload
button.
Bridge table shows to which
bridge
port the particular station is associated to -
in other words from which
interface
(ethernet or wireless ) the network device
(defined by
MAC address
) is reachable to AirOS system while forwarding the
packets to that port only (thus saving a lot of redundant copies and transmits).
Ageing timer
shows ageing time for each address entry (in seconds) - after
particular time out, not having seen a packet coming from a certain address,
the bridge will delete that address from the Bridge Table.
Status of the throughput on LAN interface
•
Show Throughput
selection continuously represents the current data traffic
on the LAN, WLAN and PPP interfaces in both graphical and numerical form.
The statistics is updated automatically and can be updated using the
Reload
button.

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