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RE: [Karlnet] KN50 Problem with 8.x firmware

To: "'Norm Young'" <lists@applegatebroadband.net>,"'Karlnet Mailing List'" <karlnet@wispnotes.com>
Subject: RE: [Karlnet] KN50 Problem with 8.x firmware
From: "Dan Metcalf" <dan.metcalf@wbsysnet.com>
Reply-to: Karlnet Mailing List <karlnet@WISPNotes.com>
Date: Mon, 24 Nov 2003 18:15:07 -0500
List-post: <mailto:karlnet@WISPNotes.com>
Seeing a similar issue here as well


> -----Original Message-----
> From: karlnet-bounces@WISPNotes.com
[mailto:karlnet-bounces@WISPNotes.com]
> On Behalf Of Norm Young
> Sent: Monday, November 24, 2003 5:49 PM
> To: Karlnet Mailing List
> Subject: Re: [Karlnet] KN50 Problem with 8.x firmware
> 
> Amen brother(s).  Same problem noted here.  It really limits where I
can
> use
> the KN-50 CPEs.
> 
> Norm
> 
> 
> ----- Original Message -----
> From: "Bob Hrbek" <bhrbek@jagwireless.net>
> To: "Karlnet Mailing List" <karlnet@WISPNotes.com>
> Sent: Monday, November 24, 2003 12:23 PM
> Subject: Re: [Karlnet] KN50 Problem with 8.x firmware
> 
> 
> > I've seen the same exact think on my first 3 KN-50 installs.   I
> replaced
> > the Dell cards all three times with older silvers and the links went
> from
> > marginally working to working perfectly.
> >
> > Karlnet....you got your ears on?
> >
> >
> > -bob
> > ----- Original Message -----
> > From: "Timothy J. Steele" <tsteele@e-isco.com>
> > To: <karlnet@wispnotes.com>
> > Cc: <support@karlnet.com>
> > Sent: Monday, November 24, 2003 2:10 PM
> > Subject: [Karlnet] KN50 Problem with 8.x firmware
> >
> >
> > > Last month there was a post to a thread from Mark McKibbin (see
> > >
http://lists.wispnotes.com/pipermail/karlnet/2003-October/003153.html
> > > <http://lists.wispnotes.com/pipermail/karlnet/2003-
> October/003146.html>
> > > ) in regards to the KN50 "Blackbird" units.  His questions were in
> > > regards to the poor link quality of the Orinoco Gold cards and
other
> > > cards that have been included with the units.  We have been
> experiencing
> > > similar problems (our units were purchased with Dell TrueMobile
Radios
> > > (Agere chipset Firmware rev. 8.10.1)).  I have been running tests
on a
> > > number of different cards with the KN50.  The following are the
> results:
> > >
> > > NOTE:  These tests were conducted on live point-to-multipoint
> > > connections.  We used all the same hardware for our testing; the
only
> > > change was the radio card for each test.  The KN50 board was
> classified
> > > as a SOHO CPE with product v1.00-00-073017.  Our average
connection
> > > speed with a 1024k key is around 700-900k.  The Base units we used
for
> > > testing are using software versions 4.43 and 4.44.  They have a
varied
> > > number of subscribers, from 4 (a new site) up to 50+ (our oldest
> site).
> > > On all these tests, the SNR was between 12dB and 18dB upstream to
Base
> > > and 21dB to 30dB downstream from Base.
> > >
> > > Dell Radio:
> > > Chipset:  Agere
> > > Firmware ver.: 8.10.1
> > > PING test (a standard IP tools PING test from a PC through the
Base to
> > > the CPE (100 packets)):  73% of the packets lost
> > > Throughput test (5 bandwidth tests from 2wire.com and
dslreports.com):
> > > 278, 112, 245, 237, 298 (speed measured in kilobits)
> > > NOTE:  The packets lost in the PING test are RARELY noted on the
> client
> > > side (i.e. surfing the Internet, Web Page comes up unavailable).
They
> > > just notice a significant slowdown.
> > >
> > > Orinoco Gold:
> > > Chipset:  Agere
> > > FW ver:  8.72.1
> > > PING test:  64% lost
> > > Throughput:  451, 368, 519, 259, 311
> > >
> > > Orinoco Silver:
> > > Chipset:  Agere
> > > FW ver:  6.6.1
> > > PING test:  0% lost
> > > Throughput:  676, 574, 481, 625, 616
> > >
> > > Avaya Radio:
> > > Chipset:  Agere
> > > FW ver:  6.8.1
> > > PING test:  0% lost
> > > Throughput:  550, 447, 380, 571, 561
> > >
> > > Wave Wireless Radio:
> > > Chipset:  Agere
> > > FW ver:  6.8.1
> > > PING test:  1% lost
> > > Throughput:  515, 660, 674, 553, 622
> > >
> > > Demarctech Prism Radio:
> > > Chipset:  Intersil (800C)
> > > FW ver:  1.3.6
> > > PING test:  3%
> > > Throughput 591, 745, 652, 733, 725
> > >
> > > At the location where we were doing the final throughput tests, an
> NDIS
> > > install in a local server has the following results:
> > > PING test:  1% lost
> > > Throughput:  725, 989, 867, 967, 802
> > >
> > > I realize that the PING test is hardly conclusive, but it
definitely
> > > coincides with the lower bandwidth connections.  Does anyone else
have
> > > similar findings?  One other point of note is that the PING test
on a
> > > unit connected to a highly utilized Base has significantly more
> dropped
> > > packets on the Dell and Orinoco Gold cards (i.e.  The cards are
noted
> > > with a 73% and 64% loss on a Base with 40+ subscribers, these
numbers
> > > drop to 35% and 23% on a Base with 20 or less clients).  This
would
> > > indicate Base unit over saturation, but we can connect a standard
NDIS
> > > (radio) client or a KN100 board and the PING tests and throughput
> tests
> > > are excellent (0% loss, avg. 880k throughput).
> > >
> > > It appears that cards running older versions of firmware (6.x.x)
do
> not
> > > have the problems that newer firmware (8.x.x) have; at least in
> regards
> > > to the KN50.  I have upgraded the Orinoco Silver card to v8.7.5
> firmware
> > > and it exhibits the same problems.  I downgraded the firmware and
the
> > > problem goes away.  Our only option, at this point, is to
downgrade
> the
> > > firmware on the newer cards or try to find older silver cards with
the
> > > external antenna attachment (seeing as how the new silvers do not
have
> > > them anymore).
> > >
> > > I tested the Orinoco Gold and the Dell Radio in a KN100 board with
the
> > > following results:
> > >
> > > OG:
> > > PING test: 0% lost
> > > Throughput:  714, 784, 987, 966, 908
> > >
> > > Dell:
> > > PING Test:  1% lost
> > > Throughput:  837, 664, 843, 767, 813
> > >
> > > This looks like a problem with the KN50's and newer Agere
firmware.
> > > Anytime you install 8.x firmware on any radio in the KN50,
performance
> > > is significantly reduced and there is a high amount of IP packet
> > > failure.  Our research team would like to know if anyone else
concurs
> > > with these findings and is there a solution in the works.  If not,
is
> > > there anymore testing you would like from our end to get this
issue
> > > resolved?
> > >
> > >
> > > Tim Steele & Marcus Rudd
> > > Wireless Networking Engineers
> > > e-ISCO Internet
> > > www.e-isco.com <http://www.e-isco.com/>
> > >
> > > _______________________________________________
> > > Karlnet mailing list
> > > Karlnet@WISPNotes.com
> > > http://lists.wispnotes.com/mailman/listinfo/karlnet
> > >
> >
> > _______________________________________________
> > Karlnet mailing list
> > Karlnet@WISPNotes.com
> > http://lists.wispnotes.com/mailman/listinfo/karlnet
> 
> 
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