This was our very first 2.4 deployment about 3 years ago. We now only
do horizontal for all our APs whether it's 900, 2.4 or 5.8. Just not a
quick fix to change polarization.
Chris Gotstein
Sr Network Engineer
UP Logon/Computer Connection UP
500 N Stephenson Ave
Iron Mountain, MI 49801
Phone: 906-774-4847
Fax: 906-774-0335
[email protected]
Josh Luthman wrote:
Not 100% screwed but it is a pain in the ass problem. Upgrading cards and
changing the polarity would be my first two steps.
Note this is why I avoid 2.4 - most of my equipment is 5.8 (even the
backhauls...hmm) and a little bit of 900.
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
Those who don't understand UNIX are condemned to reinvent it, poorly.
--- Henry Spencer
On Fri, Jan 23, 2009 at 12:58 PM, Chris Gotstein <[email protected]> wrote:
I think this summer we'll be moving to sectors and horizontal polarization.
Just not something we can do now in the dead of winter.
Chris Gotstein
Sr Network Engineer
UP Logon/Computer Connection UP
500 N Stephenson Ave
Iron Mountain, MI 49801
Phone: 906-774-4847
Fax: 906-774-0335
[email protected]
Corey Freeman wrote:
fwiw, we made the move to horizontal polarization to cut down on seeing so
much CPE. Seems to have been a great choice for us as it all but eliminated
cpe interference issues for us at the affected site.
-Corey
Josh Luthman wrote:
With channel 1 not working anymore, that would be my second guess -
interference.
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
Those who don't understand UNIX are condemned to reinvent it, poorly.
--- Henry Spencer
On Fri, Jan 23, 2009 at 12:18 PM, ccrum <[email protected]> wrote:
I've seen this exact problem on sectors with heavy interference. Some of
my
sectors are picking up as many as 100 other radios (other wisps, home
routers, etc.) spread over all channels. I can tell you that some radios
handle this better than others. Several of my older APs that were still
running Prism based cards really suffered from this. I changed to 8602
Atheros cards and they handle it better, but I even see this problem on
them
from time to time. I'd change the radio first. I doubt it is a cable or
antenna issue if you can get it to work on one channel. I'd bet its
interference.
Cameron
Chris Gotstein wrote:
Got a crew going up the tower today. Going to start with the cable,
then
the antenna and if that doesn't work the radio. We'll see what
happens.
Chris Gotstein
Sr Network Engineer
UP Logon/Computer Connection UP
500 N Stephenson Ave
Iron Mountain, MI 49801
Phone: 906-774-4847
Fax: 906-774-0335
[email protected]
Keith Barber wrote:
Remember not to rule out the lmr cable. I've had 2-3 go bad on me.
The
1-meters from TitanWireless. Connections would just not be there, bad
signals, or just no throughput. Replace that 1-meter cable, and BAM
everybody smokin' again.
-Keith-
----- Original Message -----
From: Chris Gotstein <[email protected]>
Sent: Fri, 1/23/2009 5:47am
To: Mikrotik discussions <[email protected]>
Subject: Re: [Mikrotik] Poor Performance with RB532 AP
Nope, now have clients failing to connect on channel 1 as well.
Josh Luthman wrote:
Does ch 1 still work just fine?
On 1/22/09, Terri Kelley <[email protected]> wrote:
An antenna failing is very unusual in my experience. More often then
not it is the radio and sometimes the POE failing to supply the
power
it is supposed to.
Terri Kelley
Network Engineer
254-697-6710
This email message is intended only for the named recipient(s)
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and
may contain, together with any attachment(s), confidential
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On Jan 22, 2009, at 10:11 PM, Chris Gotstein wrote:
Well now i'm losing almost all my clients. Something is failing,
not sure if it's the radio or antenna at this point.
Josh Luthman wrote:
What I like to do is 3 enclosures, 3 boards, etc. If anything
goes
bad just carry "new ap kit" that is a pipe with antenna/enclosure
ready to go and pipe to pipe clamps.
On 1/22/09, Chris Gotstein <[email protected]> wrote:
What kind of antenna are you using? I was also thinking about
moving to
sectors and having 3 wireless cards in 1 box. Any worries about
cross-talk doing that?
Steve Barnes wrote:
If you are wanting to save cost's you can get along well with a
411ah.
1-ethernet 1-wireless good cpu. I have 65 clients on one with
no
issue.
Steve
RC-WiFi
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Josh
Luthman
Sent: Thursday, January 22, 2009 8:27 PM
To: Mikrotik discussions
Subject: Re: [Mikrotik] Poor Performance with RB532 AP
433ah for sure.
PacWireless and xr2 would be my suggestion but I don't do
anything in 2.4.
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
Those who don't understand UNIX are condemned to reinvent it,
poorly.
--- Henry Spencer
On Thu, Jan 22, 2009 at 7:47 PM, Chris Gotstein
<[email protected]> wrote:
Yeah, probably best option. Suggestions on a good antenna and
which RB
to
go with?
Chris Gotstein
Sr Network Engineer
UP Logon/Computer Connection UP
500 N Stephenson Ave
Iron Mountain, MI 49801
Phone: 906-774-4847
Fax: 906-774-0335
[email protected]
Josh Luthman wrote:
If I were in your position I'd get a new antenna, lmr, radio
and
motherboard. All new hardware at once. Figure out what's
good
safely
on the ground.
On 1/22/09, Chris Gotstein <[email protected]> wrote:
That is true. If i got to send someone up, it is worth
moving
to the
XR2 radio?
Chris Gotstein
Sr Network Engineer
UP Logon/Computer Connection UP
500 N Stephenson Ave
Iron Mountain, MI 49801
Phone: 906-774-4847
Fax: 906-774-0335
[email protected]
Josh Luthman wrote:
I agree with that and I was thinkin that myself. However we
can all
agree we've seen far stranger things.
On 1/22/09, Chris Gotstein <[email protected]> wrote:
Odd that the antenna would only work well on 1 channel.
You'd think
the
whole thing would just die out if the antenna was bad.
Unless the
noise
has just gotten that bad around here.
Chris Gotstein
Sr Network Engineer
UP Logon/Computer Connection UP
500 N Stephenson Ave
Iron Mountain, MI 49801
Phone: 906-774-4847
Fax: 906-774-0335
[email protected]
Josh Luthman wrote:
If it connects on ch 1 I doubt any water is in the
connectors.
Antenna could be shot, though.
On 1/22/09, Robert Andrews <[email protected]>
wrote:
what are your signal strengths? What is your omni?
Something is
very
wrong. Have you checked for water in cables?
Chris Gotstein wrote:
As far as i'm aware, we are the only WISP in the area.
Our other
tower sites are more than 15 miles away from this tower.
Sectors
would be my next option, and probably moving to
horizontal
polarization.
Chris Gotstein
Sr Network Engineer
UP Logon/Computer Connection UP
500 N Stephenson Ave
Iron Mountain, MI 49801
Phone: 906-774-4847
Fax: 906-774-0335
[email protected]
Robert Andrews wrote:
You have heavy interference from somewhere else. Are
there
Canopy's
in the area? Do you have other transmitters in the
area?
Basically, when you go to G you are spending enough
time
in the
upper
channels where the interference is that you disappear
to
the
clients... G hops to all channels equally, whereas B
spend most
of
it's time in the set channel. You may need to
sectorize...
Robert
Chris Gotstein wrote:
1 or 2 would connect and then drop off. I just tried
a
few
other
channels and the same thing happens. Go back to
channel 1 and
they
all connect.
Chris Gotstein
Sr Network Engineer
UP Logon/Computer Connection UP
500 N Stephenson Ave
Iron Mountain, MI 49801
Phone: 906-774-4847
Fax: 906-774-0335
[email protected]
Josh Luthman wrote:
None of the 30 connected!?
On 1/22/09, Chris Gotstein <[email protected]>
wrote:
I was just going to do that. Also, when i moved
over
to B/G,
my
CCQ
went from 80 down to 10. And when i tried changing
channels,
the
clients would not reconnect.
Chris Gotstein
Sr Network Engineer
UP Logon/Computer Connection UP
500 N Stephenson Ave
Iron Mountain, MI 49801
Phone: 906-774-4847
Fax: 906-774-0335
[email protected]
Josh Luthman wrote:
If you can enable G, do. It should help if the
clients can
use
the
compression.
With an omni you can pick up oodles of
interference,
can you
do
a
scan
late tonight?
On 1/22/09, Chris Gotstein <[email protected]>
wrote:
2.4B, but i could change it to B/G if needed.
Usage is
fairly
light, no
more than 1-2mb going through the AP at one time.
Sometimes
we
see a
spike to 3mb. We are routed, VLAN'd at each tower
and
sometimes
AP.
This AP is using a 8db omni.
I know about hidden nodes, but i guess I'll need
to
read up
on
it more.
How do i check for them?
Chris Gotstein
Sr Network Engineer
UP Logon/Computer Connection UP
500 N Stephenson Ave
Iron Mountain, MI 49801
Phone: 906-774-4847
Fax: 906-774-0335
[email protected]
Robert Andrews wrote:
2.4Ghz? Running 802.11b? 30 Customers.. What
kind of
usage
are you
seeing. One of the biggest advantages of the MT
is the
ability
to see
what customers are really pulling... if you are
running
straight
802.11b then the max you are going to see through
this is
probably
around 4mb/s and if your customers are all
allowed
1.5mb/s
you
are going
to see frequent times when they are competing
with
each
other. What
are you seeing for hidden nodes? What's your
physical
layout? Are
they off a sector or an omni? So much that this
could be.
Robert
Chris Gotstein wrote:
We put up a RB532 late last fall to replace a
Tranzeo
TR6600.
We had
noticed that on the 6600's that when you get
more
than 10
people on
them, they start performing very poorly. So,
the
solution
that i had
been hearing was to move to a mikrotik box. At
the time,
we
purchased
a RB532 board and have a SR2 wireless card.
Worked great
for
the
first month, and since then it's back to slowing
down and
we
are
starting to get complaints about slow speeds,
etc. We
have
about 30
clients attaching to this one box, and they are
limited to
1.5mb dl
and 384k up. I thought this box would easily
handle that
many
connections and data, but it doesn't seem to be
keeping
up.
I'm
running the latest firmware on the board and am
running
out
of
ideas
to tweak this. Any suggestions? Maybe need to
move to a
faster box?
Ditch MT and go with another AP vendor?
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--
Chris Gotstein
Sr Network Engineer
UP Logon/Computer Connection UP
500 N Stephenson Ave
Iron Mountain, MI 49801
Phone: 906-774-4847
Fax: 906-774-0335
[email protected]
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Visit http://blog.butchevans.com/ for tutorials related to
Mikrotik RouterOS
--
Chris Gotstein
Sr Network Engineer
UP Logon/Computer Connection UP
500 N Stephenson Ave
Iron Mountain, MI 49801
Phone: 906-774-4847
Fax: 906-774-0335
[email protected]
_______________________________________________
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Visit http://blog.butchevans.com/ for tutorials related to
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