Oar

Oar

By CTODeveloper at Aruba Networks

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AirO is intended for technical and not-too-technical owners of Wi-Fi succesful Android devices. It shows the health of the Wi-Fi (“Local Area”) connection, and measures the characteristics of a “Wide Area” connection to a server deeper in the community. It can be used to answer questions like:

What’s mistaken with my Wi-Fi today?

How robust is my Wi-Fi signal?

Is there proof of wireless interference?

Is the issue in the Wi-Fi connection, or out on the Internet (or corporate network)?

Is the general connection to the information center good enough to run my corporate apps?

For an admin guide, together with instructions on organising your Aruba network so mDNS (AirGroup) mechanically configures target addresses for AirWave and iPerf servers (allowing the app as downloaded to work on completely different networks with out user interverntion) see the Air Observer Admin Guide hosted on the Aruba Airheads Community net web page http://community.arubanetworks.com/t5/Aruba-Apps/New-Admin-Guide-for-the-AirO-Air-Observer-app/td-p/229749 (or go to community.arubanetworks.com and seek for AirO).

The top “Wi-Fi and Local Area Network” part of the display displays three measurements that present the well being of the Wi-Fi connection:

Signal Strength or RSSI in dBm

We measure signal strength first as a result of if it’s poor, there is no chance of getting an excellent connection. The treatment, in easy phrases, is to get nearer to the entry point.

Link Speed.

The usual explanation for low link speeds is poor sign power. But typically, even when signal energy is good, interference on the air from Wi-Fi and non-Wi-Fi sources reduces link speeds.

Ping. This is the familiar ICMP echo test to the network’s default gateway.

A low link pace will usually trigger lengthy ping occasions. If link speeds are good but pings gradual, it might be a long method to the default gateway over a slender broadband connection.

The lower part of the display screen displays outcomes from exams between the system and a server laptop, normally in the corporate data heart or on the Internet. The address of this server is chosen from a quantity configured in ‘settings' – however as soon as chosen, only one server handle is used for these exams.

Ping. There is a ping measurement to this server. It is similar ping test as above, however as a result of this one goes farther it'll usually (but not always) take longer. Again, 20msec can be quick and 500 msec would be gradual.

Some networks may block ICMP (ping) visitors. In this case, the Wide Area Network ping take a look at will all the time fail, but normal (e.g. Web) visitors might pass.

Speedtest. The subsequent checks are ‘speedtests’. For this, we use the iPerf operate (iPerf v2). In a corporate context, this must be an iPerf server instance set up somewhere in the core of the community, probably a knowledge heart. Because it's a (TCP) throughput check, the figures right here will never be greater than about 50% of the ‘link speed’ figure for the Wi-Fi connection. The iPerf client in the app is configured to run in bidirectional mode, first an upstream check then downstream.

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