That is how I am configured now (with the exception of using MT for the
AP's, but they are just bridging down to the core router). Where we have
cabinets I have 493AH's and where we have buildings we have X86 routers.
The bottleneck is on the wireless level/AP's. Just trying to get a good plan
formulated that we have an upgrade path that will allow a semi-gradual
upgrade without me forklifting all the CPE. With just me an 1 installer, the
thought of dead cutting 140 customers would be an absolute nightmare.
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Wisp Lists
Sent: Thursday, February 07, 2013 7:58 AM
To: Mikrotik discussions
Subject: Re: [Mikrotik] 2.4Ghz AP upgrade recomendations
Hi Robert,
We have left our MT on the ground (450g), it is the repeater's router, it
does everything but wireless. If you are delinquent it takes care of you, if
you require more bandwidth or data that's it's job or if you need to to be
stopped in your tracks that's it's job.
Now up in the sky is the ubnt AP in "dumb" bridge mode, if you can
"authenticate" you are in.
We do still have a few bullets with omni's out there, but their days are
numbered, the antennas will become hotspots.
But we have ubnt rockets with dual-pol omni's or sectoral, depending on the
repeater.
We hit massive speeds all the time. Check our website for our new "4g"
AirMAx speeds. We hit them all the time.
But we won't light up a repeater, without a MT450g, it's a must have.
You have a Good Day now,
Airnet
http://www.airnet.ca
Office Phone: 1-877-534-0021
Office Hours: 9:00am - 5:00pm EST
On 05/02/2013 1:08 PM, Robert Haas wrote:
I agree, the 7Mb/s is not what I consider out of line for the
configuration.
We've had this site for nearly 8 years now. So in 8 years you can
imagine some of the issues site has - ie customers with poor signal
rates, customers on the edge of sectors, ancient CPE (just took out
one of my original installs - an Orinoco silver USB, with a 24db grid
on the roof and LMR400 ran to the computer; So that we could roll the
sector to 10Mhz), etc.
I've chosen to add a PMP320 system to the tower and try and move some
of the more problematic customers to that system and hopefully
alleviate the congestion on the 2.4Ghz AP's. We currently have 6
2.4ghz ap's, 1 700Mhz ap,
6 900Mhz ap's, 4 5.8ghz backhauls, an 11Ghz backhaul and now adding 2
pmp320 sectors..
I've thought about deploying a rocket m5 down in the DFS channels but
there is a small municipal airport within about 3 miles of this site.
I'm really trying hard to not have to forklift the 2.4 equipment at
this point, but with the calls coming in with requests of higher
bandwidth connections I'm not sure where to go from where I am at.. I
need to beat my installer with a stick for letting some of these
customers on to the system though.
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Troy Settle
Sent: Tuesday, February 05, 2013 10:55 AM
To: 'Mikrotik discussions'
Subject: Re: [Mikrotik] 2.4Ghz AP upgrade recomendations
Robert,
On your 7Mbit/s throughput... this is actually pretty reasonable. At
10Mhz, you have a max interface rate of 27mbit. With a coding rate of
1/2, you're down to 13.5. Assuming that client association rate are
all over the map, 7mbit/s is not unexpected. BTW, this is not a limit
on the RB... this is a limit of the wireless technology.
I'm looking at something very similar with a system built as 12 APs
total in 5.8Ghz, all horizontal, with lots of duplicate channels being
used. It's a mess.
The ISP who bought the system deployed 3 2.4Ghz sectors and has moved
some clients over, but this hasn't really helped much, as they left
all 3 units in 802.11b, and have some really weak association rates.
They're lucky to get 2Mbit/s aggregate.
My thoughts on this, would be to deploy up to 5 5.8Ghz sectors and 3
2.4Ghz sectors. All radios 802.11n running 2x2 MIMO.
CPE would stay as-is, except that crews would be deployed to address
problem installations, such as adjusting the alignment, rotating
polarity, or even replacing the CPE to change the band, installing
stronger radios, or higher gain antennas. There are a LOT of variables to
take into account.
Hopefully, in the end, we'll have nobody connected at less than -70db.
For the AP, I'm leaning strongly towards the RocketM, which would seem
to offer the best price/performance out there.
The only thing I'm not clear on, is what use GPS is if UBNT still
recommends not using the same channel. I'd love to be able to use a
full 2x2/40mhz in the middle of the 2.4Ghz band on 3 (or more) sectors.
-Troy
-----Original Message-----
From: [email protected] [mailto:mikrotik-
[email protected]] On Behalf Of Robert Haas
Sent: Tuesday, February 05, 2013 9:22 AM
To: 'Mikrotik discussions'
Subject: Re: [Mikrotik] 2.4Ghz AP upgrade recomendations
Total through the AP.
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Scott Reed
Sent: Tuesday, February 05, 2013 5:39 AM
To: Mikrotik discussions
Subject: Re: [Mikrotik] 2.4Ghz AP upgrade recomendations
Is that 7Mbps per customer or total through the AP?
On 2/4/2013 4:30 PM, Robert Haas wrote:
We've been using Routerboards (433AH's as of late) with UBNT XR2's
for our AP's for years. It's time to start migrating these AP's to
something with more capacity.
With 10Mhz channels we find we are hitting a bottleneck of about
7Mb/s before customers start complaining about slow speeds& high
pings times
etc.
What is the next logical step?
I think the 433AH's have enough oomp as I just bridge them down to
the core switch. Should I change to a MIMO setup with an R52Hn?
If we do change, will our existing CPE still function (Mostly
RB411's and a few UBNT clients)?
One particular tower has 140 2.4Ghz customers spread across 6 AP's
(3
horiz.
& 3 vertical). I expect this tower to be a thorn in my side..
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--
Scott Reed
Owner
NewWays Networking, LLC
Wireless Networking
Network Design, Installation and Administration
Mikrotik Advanced Certified
www.nwwnet.net
(765) 855-1060
(765) 439-4253
(855) 231-6239
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