Ubiquiti AirOS-AirGrid-M5HP Router Manual PDF (Setup & Configuration Guide)

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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.

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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.

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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

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•

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.

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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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