Airmax priority

[Premier]

What should this be set to for a PTP link? What does it do anyway?

[UBNT-Mike.Ford]

What should this be set to for a PTP link? What does it do anyway?

Hello,

AirMax priority only works in PTMP scenarios.

Thanks,

Mike

[amx]

Hello,

AirMax priority only works in PTMP scenarios.

Thanks,

Mike

...and what does it do exactly?

[Premier]

Hello,

AirMax priority only works in PTMP scenarios.

Thanks,

Mike

Hmm, it was enabled itself after I upgraded the FW on my Rocket link by default to RC3. I have since disabled it.

[UBNT-sriram]

AirMax priority implements relative MAC-address based prioritization. For PtP since there is only one STA, it will have no effect for whatever value you select.

For PTMP selected 'High' for all stations will also have no effect as there is no relative difference.

[drwho17]

How does that work? Does it put a weight on the timeslots?

[malamaka]

if airmax priority only works in ptmp scenarios, why is there a differance when i use it in a ptp setup?

wds ap to wds station using nano m5.

if i enable airmax on ap and station priority is low, my airmax capacity is 70 and quality is 82%.

when priority is high, capacity is 67 with quality 76.

signal is -67, ccq 100% and noise floor -97 in this setup. os 5.1 used.

what must i use?

[hatschi]

Same for me, low, medium or high?

The Quality and Capacity are different!

Thanks!

[Vitis]

Hi Mike.
Please, can you explain for us what exactly mean each oprion and what it is use for?
On wiki/manual is nothing about it.
Best regards.
Vitis

[avolve]

I agree, if AirMax is on and setting it to high for everyone means nothing, then what does each setting mean.

[UBNT-Mike.Ford]

I agree, if AirMax is on and setting it to high for everyone means nothing, then what does each setting mean.

Hello,

Its weighted TDMA time slots.

Thanks,

Mike

[avolve]

Hello,

Its weighted TDMA time slots.

Thanks,

Mike

Ahhh, so its weighted TDMA time slots, well that explains it.

[KineticNetworking]

This is something I have been debating. Knowing that the AirMax priority's are weighed time slots and that it has been said you set it to the distance of the CPE, has anyone ever thought of using it as something that helps divine a class of service? Example, I have three separate services type, residential, business and metro. So could I provide priority wireless access to the metro by placing the CPE on high, and business on Medium and residential low?

This seems logical to me but what does UBNT think?

Regards,
Marty

[maggiore81]

Hello
So wich is the best value to use, and when? I have not understood well

[avolve]

This is something I have been debating. Knowing that the AirMax priority's are weighed time slots and that it has been said you set it to the distance of the CPE, has anyone ever thought of using it as something that helps divine a class of service? Example, I have three separate services type, residential, business and metro. So could I provide priority wireless access to the metro by placing the CPE on high, and business on Medium and residential low?

This seems logical to me but what does UBNT think?

Regards,
Marty

That was my impression, the setting for a QOS type service, not a fudge factor for low signal CPE's.

[konrad]

Afaik UBNT refused to go too much technical on this topic.

From what i gathered and my assumptions is that each level is more like a weight in a WRR algorithm not a measure of time slot directly, then AP calculates each stations timeshare based on this factor and number of stations (keeping the right proportions with QOS if present).

The discrete numerical value on the priority can be ready in /proc on the AP device, just look around for some file with 'ubnt' in the name (cant remember right now, might add later), there are also some basic stats in tables for each station, most of the columns i don't understand of course (they're a bit enigmatic as expected).

The basic question was about the meaning of "none", and the influence of those settings on PTP links.

Either the way if its just the weight and nothing else the setting should have no effect on a PTP link, since algorithm would kick in only when there are 2 or more stations... but i did not tested this in practice, other than seeing it improves AMQ and AMC (in MTP).

[wispwest]

I am assuming the following example would be practical?

40 Customers @ 768k = Low
35 Customers @ 1.5Mb = Low
30 Customers @ 3.0Mb = Medium
25 Customers @ 5.0Mb = High

If this what is on your AP total, you would adjust the Airmax Priority according to speed allocated for each user? Since there is no sense allowing high data slots for customers at only 768k

[mhoppes]

I am assuming the following example would be practical?

40 Customers @ 768k = Low
35 Customers @ 1.5Mb = Low
30 Customers @ 3.0Mb = Medium
25 Customers @ 5.0Mb = High

If this what is on your AP total, you would adjust the Airmax Priority according to speed allocated for each user? Since there is no sense allowing high data slots for customers at only 768k

So what is the proper way to setup a network then? Leave everyone at 'none' or 'low', and just set your high paying/QoS demanding customers to 'High'? Or set everyone to 'Medium' and set bad customers to 'None' or 'Low'?