<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yiv3441271092"><div id="yui_3_16_0_ym19_1_1477088818589_3928"><div style="color:#000;background-color:#fff;font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;" id="yui_3_16_0_ym19_1_1477088818589_3927"><div id="yui_3_16_0_ym19_1_1477088818589_5236">But the symptoms (at least in my somewhat limited experience) doesn't sound like a configuration issue, those would result in a pretty consistent failure. Yours sounds more sporadic which would lead me to believe it's hardware related.</div><div id="yui_3_16_0_ym19_1_1477088818589_5271"><br></div><div id="yui_3_16_0_ym19_1_1477088818589_5272">There are far too many different makes and models of network equipment to guess at.<br></div><div id="yiv3441271092yui_3_16_0_ym19_1_1477087535068_13242"><span></span></div><div id="yiv3441271092yui_3_16_0_ym19_1_1477087535068_13241"> </div><div class="yiv3441271092signature" id="yiv3441271092yui_3_16_0_ym19_1_1477087535068_13231"><span style="font-family:courier;">--- </span><br style="font-family:courier;" clear="none"><span style="font-family:courier;" id="yui_3_16_0_ym19_1_1477088818589_3930">Wayne Johnson, | <span style="color:rgb(191, 95, 0);" id="yui_3_16_0_ym19_1_1477088818589_3929">There are two kinds of people: Those</span> </span><br style="font-family:courier;" clear="none"><span id="yiv3441271092yui_3_16_0_ym19_1_1477087535068_13240" style="font-family:courier;"> | <span id="yiv3441271092yui_3_16_0_ym19_1_1477087535068_13239" style="color:rgb(191, 95, 0);">who say to God, "Thy will be done," </span></span><br style="font-family:courier;" clear="none"><span style="font-family:courier;" id="yui_3_16_0_ym19_1_1477088818589_3932"> | <span style="color:rgb(191, 95, 0);" id="yui_3_16_0_ym19_1_1477088818589_3931">and those to whom God says, "All right, </span></span><br style="font-family:courier;" clear="none"><span style="font-family:courier;" id="yui_3_16_0_ym19_1_1477088818589_3934"> | <span style="color:rgb(191, 95, 0);" id="yui_3_16_0_ym19_1_1477088818589_3933">then, have it your way." --C.S. Lewis</span><br clear="none"></span></div><div class="yiv3441271092qtdSeparateBR" id="yui_3_16_0_ym19_1_1477088818589_3971"><br clear="none"><br clear="none"></div></div></div></div><div class=".yiv3441271092yahoo_quoted" id="yui_3_16_0_ym19_1_1477088818589_5277"> <div style="font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;" id="yui_3_16_0_ym19_1_1477088818589_5276"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;" id="yui_3_16_0_ym19_1_1477088818589_5275"> <div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1477088818589_5274"><br><br></div><div class="yiv3441271092yqt5488055400" id="yiv3441271092yqt27652"><div dir="ltr" id="yui_3_16_0_ym19_1_1477088818589_5278"> <font size="2" face="Arial"> </font><hr id="yui_3_16_0_ym19_1_1477088818589_5519" size="1"> <b><span style="font-weight:bold;">From:</span></b> Chuck Cole <cncole@earthlink.net><br clear="none"> <b><span style="font-weight:bold;">To:</span></b> 'TCLUG Mailing List' <tclug-list@mn-linux.org> <br clear="none"> <b><span style="font-weight:bold;">Sent:</span></b> Friday, October 21, 2016 5:21 PM<br clear="none"> <b><span style="font-weight:bold;">Subject:</span></b> Re: [tclug-list] Need basic internet access info for a large facility<br clear="none"> </div> <div class="yiv3441271092y_msg_container" id="yui_3_16_0_ym19_1_1477088818589_5286"><br clear="none"><div id="yiv3441271092"><div id="yui_3_16_0_ym19_1_1477088818589_5285">
<div dir="ltr" id="yui_3_16_0_ym19_1_1477088818589_5315" align="left"><span class="yiv3441271092-21102016" id="yui_3_16_0_ym19_1_1477088818589_5314"><font id="yui_3_16_0_ym19_1_1477088818589_5313" size="4" color="#0000ff" face="Arial">The fiber optic service from Centurylink to the building is
plenty good enough. I think they told me it was over 900gb delivered to
the building's router.</font></span></div>
<div dir="ltr" id="yui_3_16_0_ym19_1_1477088818589_5299" align="left"><span class="yiv3441271092-21102016" id="yui_3_16_0_ym19_1_1477088818589_5298"><font id="yui_3_16_0_ym19_1_1477088818589_5297" size="4" color="#0000ff" face="Arial">If I had access to the equipment to check the things you
mentioned, I wouldn't be asking questions here: I would know what the products
are, and what their configuration options and likely or actual settings
are.</font></span></div>
<div dir="ltr" id="yui_3_16_0_ym19_1_1477088818589_5300" align="left"><span class="yiv3441271092-21102016"><font size="4" color="#0000ff" face="Arial"> </font></span></div>
<div dir="ltr" id="yui_3_16_0_ym19_1_1477088818589_5284" align="left"><span class="yiv3441271092-21102016" id="yui_3_16_0_ym19_1_1477088818589_5283"><font id="yui_3_16_0_ym19_1_1477088818589_5282" size="4" color="#0000ff" face="Arial">I'm only looking for what I asked for, and hoping someone
here is familiar enough with this sort of equipment and "apartment building"
installation to make some educated guesses.</font></span></div>
<div dir="ltr" id="yui_3_16_0_ym19_1_1477088818589_5287" align="left"><span class="yiv3441271092-21102016"><font size="4" color="#0000ff" face="Arial"></font></span> </div>
<div dir="ltr" id="yui_3_16_0_ym19_1_1477088818589_5293" align="left"><span class="yiv3441271092-21102016" id="yui_3_16_0_ym19_1_1477088818589_5295"><font id="yui_3_16_0_ym19_1_1477088818589_5294" size="4" color="#0000ff" face="Arial">The building manager is not technical and is a bit
paranoid, and has not seriously addressed the problem since April or
before. She gives monthly reports at resident meetings: "we're
looking into it.." </font></span><span class="yiv3441271092-21102016" id="yui_3_16_0_ym19_1_1477088818589_5292"><font id="yui_3_16_0_ym19_1_1477088818589_5291" size="4" color="#0000ff" face="Arial">I think they have
some dumb or outdated "management settings" or allocation parameters in
otherwise good-enough equipment.</font></span></div>
<div dir="ltr" id="yui_3_16_0_ym19_1_1477088818589_5290" align="left"><span class="yiv3441271092-21102016"><font size="4" color="#0000ff" face="Arial"></font></span> </div>
<div><font size="4" color="#0000ff" face="Arial"></font> </div>
<div><span class="yiv3441271092-21102016"><font size="4" color="#0000ff" face="Arial">Chuck</font></span></div>
<div><br clear="none"></div>
<blockquote dir="ltr" style="PADDING-LEFT:5px;MARGIN-LEFT:5px;BORDER-LEFT:#0000ff 2px solid;MARGIN-RIGHT:0px;" id="yui_3_16_0_ym19_1_1477088818589_5341">
<div class="yiv3441271092yqt3592079490" id="yiv3441271092yqt45245"><div class="yiv3441271092OutlookMessageHeader" dir="ltr" id="yui_3_16_0_ym19_1_1477088818589_5340" lang="en-us" align="left">
<hr tabindex="-1">
<font size="2" face="Tahoma"><b>From:</b> tclug-list-bounces@mn-linux.org
[mailto:tclug-list-bounces@mn-linux.org] <b>On Behalf Of </b>r
hayman<br clear="none"><b>Sent:</b> Friday, October 21, 2016 4:34 PM<br clear="none"><b>To:</b>
tclug-list@mn-linux.org<br clear="none"><b>Subject:</b> Re: [tclug-list] Need basic
internet access info for a large facility<br clear="none"></font><br clear="none"></div>
<div></div>
<div>I think I'd first determine if the problem is with the wired speed of the
Internet connection.</div>
<div><br clear="none"></div>
<div id="yui_3_16_0_ym19_1_1477088818589_5345">I'd try to determine speed of wired connections at the demarc point and
at the access points and every segment in between that has a switch or router
segmenting it.</div>
<div><br clear="none"></div>
<div>I'd check to see what the wireless is using for radio protocol and
frequencies:</div>
<div><span class="yiv3441271092Apple-tab-span" style="WHITE-SPACE:pre;"></span>802.11n with
802.11a compatibility</div>
<div id="yui_3_16_0_ym19_1_1477088818589_5347"><span class="yiv3441271092Apple-tab-span" style="WHITE-SPACE:pre;"></span>802.11n with
802.11b/g compatibility</div>
<div><span class="yiv3441271092Apple-tab-span" style="WHITE-SPACE:pre;"></span>802.11n only,
2.4GHz</div>
<div><span class="yiv3441271092Apple-tab-span" style="WHITE-SPACE:pre;"></span>802.11n only,
5GHz</div>
<div><span class="yiv3441271092Apple-tab-span" style="WHITE-SPACE:pre;"></span>other?</div>
<div><br clear="none"></div>
<div id="yui_3_16_0_ym19_1_1477088818589_5351">I'd scan the wireless channels looking for interference.</div>
<div><br clear="none"></div>
<div id="yui_3_16_0_ym19_1_1477088818589_5356">I'd check to see if they have configured their LAN subnet appropriately -
avoiding typical problematic subnets (problematic because a lot of devices
default to these subnets)</div>
<div><span class="yiv3441271092Apple-tab-span" style="WHITE-SPACE:pre;"></span>192.168.1.0/24</div>
<div id="yui_3_16_0_ym19_1_1477088818589_5354"><span class="yiv3441271092Apple-tab-span" style="WHITE-SPACE:pre;"></span>192.168.10.0/24</div>
<div id="yui_3_16_0_ym19_1_1477088818589_5390">
<div><span class="yiv3441271092Apple-tab-span" style="WHITE-SPACE:pre;"></span>...</div>
<div><br clear="none"></div>
<div id="yui_3_16_0_ym19_1_1477088818589_5389">I'd also perform a wireshark scan if I made it this far and didn't find
anything yet. I'd want to analyze the traffic to see if there are some high
traffic or nefarious issues.</div>
<div><br clear="none"></div>
<div><br clear="none"></div>
<div><br clear="none"></div></div>
<div>On Fri, 2016-10-21 at 20:57 +0000, Wayne Johnson wrote:</div>
<blockquote type="cite" id="yui_3_16_0_ym19_1_1477088818589_5393">
<div style="FONT-SIZE:16px;COLOR:#000;FONT-FAMILY:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;BACKGROUND-COLOR:#fff;" id="yui_3_16_0_ym19_1_1477088818589_5392">
<div id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4797">Not an expert here, but first
question I would ask is what is the signal strength? I've seen
facilities like these that have cinderblock walls separating each
apartment. Cinder block is not friendly to wi-fi. USI has the
same problem in Minneapolis with their community wifi. It doesn't go
through stucco real well. 1-2 bars is not adequate for a decent wi-fi
connection in my experience. <br clear="none"></div>
<div id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4809"><br clear="none"></div>
<div id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4784"><span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4919">There are some nice tools for
Android that can scan and graph wi-fi signal strengths. WifiAnalizer
from VREM Software works well with me.</span></div>
<div id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4783"> </div>
<div class="yiv3441271092signature" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4761"><span style="FONT-FAMILY:courier;">--- </span><br style="FONT-FAMILY:courier;" clear="none"><span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4782" style="FONT-FAMILY:courier;">Wayne
Johnson,
| <span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4781" style="COLOR:rgb(191,95,0);">There are two kinds of people: Those</span>
</span><br style="FONT-FAMILY:courier;" clear="none"><span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4780" style="FONT-FAMILY:courier;">
| <span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4779" style="COLOR:rgb(191,95,0);">who say
to God, "Thy will be done," </span></span><br style="FONT-FAMILY:courier;" clear="none"><span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4778" style="FONT-FAMILY:courier;">
| <span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4777" style="COLOR:rgb(191,95,0);">and
those to whom God says, "All right, </span></span><br style="FONT-FAMILY:courier;" clear="none"><span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4760" style="FONT-FAMILY:courier;">
| <span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4759" style="COLOR:rgb(191,95,0);">then,
have it your way." --C.S. Lewis</span><br clear="none"></span></div>
<div class="yiv3441271092qtdSeparateBR" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4630"><br clear="none"><br clear="none"></div>
<div class="yiv3441271092yahoo_quoted" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4692" style="DISPLAY:block;">
<div id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4691" style="FONT-SIZE:16px;FONT-FAMILY:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;">
<div id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4690" style="FONT-SIZE:16px;FONT-FAMILY:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;">
<div dir="ltr" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4717"><font id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4812" size="2" face="Arial">
</font><hr id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4811" size="1">
<b id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4982"><span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4981" style="FONT-WEIGHT:bold;">From:</span></b> Chuck Cole
<cncole@earthlink.net><br clear="none"><b id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4980"><span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4979" style="FONT-WEIGHT:bold;">To:</span></b> 'TCLUG Mailing List'
<tclug-list@mn-linux.org> <br clear="none"><b id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4978"><span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4977" style="FONT-WEIGHT:bold;">Sent:</span></b> Friday, October 21, 2016 3:31
PM<br clear="none"><b id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4976"><span id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4975" style="FONT-WEIGHT:bold;">Subject:</span></b> [tclug-list] Need basic
internet access info for a large facility<br clear="none"></div>
<div class="yiv3441271092y_msg_container" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4689"><br clear="none">
<div id="yiv3441271092">
<div id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4699">
<div dir="ltr" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4973" align="left"><font id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4972" size="4" face="Arial"><span class="yiv3441271092-21102016" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4971">Need wifi setup or management
parameter help..</span></font></div>
<div id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4974"><font size="4" face="Arial"><span class="yiv3441271092-21102016"></span></font> </div>
<div id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4698"><font id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4697" size="4"><font id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4696" face="Arial"><span class="yiv3441271092-21102016" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4695">Some blind folk at Cherrywood
Pointe <span class="yiv3441271092-21102016"> (senior
living) </span>in Savage have tech support from MN Services for the
Blind for Dragon (and related) screen reading software which needs
internet to function properly. <span class="yiv3441271092-21102016" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4983"> Cherrywood is an Ebenezer
managed facility with about 70 "independent living" residents who are
cabalbe and typically affluent (rent is quite high). Wifi is included
in rent. </span></span><span class="yiv3441271092-21102016" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4702">The wifi connection is erratic,
and at such low speed that the software doesn't work. I'm trying to
help identify the problems<span class="yiv3441271092-21102016"> so thet can be
fixed</span>.<span class="yiv3441271092-21102016" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4701"> "Bandaids" used before
have not worked. </span></span></font></font></div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016"></span></font> </div>
<div id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4710"><span class="yiv3441271092-21102016" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4709"><font id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4708" size="4"><font id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4707" face="Arial"><span class="yiv3441271092-21102016"> What is a
typical </span>building setup? My info is only approximate
now. Centurylink has a "big" fiber-optic feed to the equipment
room. Cherrywood/Ebenezer equipment in the "communications room"
converts to wire distribution. There is a "building router" that has
multiple "CAT5" feeds that support offices and 3 pairs of access points that
distribute wifi<span class="yiv3441271092-21102016" id="yui_3_16_0_ym19_1_1477088818589_5404"> in the
facility </span>.</font></font></span></div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016"></span></font> </div>
<div id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4714"><font id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4713" size="4" face="Arial"><span class="yiv3441271092-21102016" id="yiv3441271092yui_3_16_0_ym19_1_1477082852658_4712">All I need to know is basic
bandwidth and connection info: I do not need to know anything private, and
do not seek any actual admin access.</span></font></div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016"></span></font> </div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016">What is <span class="yiv3441271092-21102016"> a</span> likely building router
make and model?</span></font></div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016">What is <span class="yiv3441271092-21102016"> a</span> likely wifi access
point make and model?</span></font></div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016"></span></font> </div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016">Are
there typical bandwidth or speed restrictions affecting residents and
guests?</span></font></div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016">The
connection speed of the 802.11g<span class="yiv3441271092-21102016">/n </span> links is usually only
11MHz, and <span class="yiv3441271092-21102016"> only</span><span class="yiv3441271092-21102016"> once in a
while </span>54MHz.</span></font></div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016">The
internet speed is usually only about 1.5 mb/sec, <span class="yiv3441271092-21102016"> and </span>occasionally
3<span class="yiv3441271092-21102016"> mb/sec </span> or
so.</span></font></div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016"></span></font> </div>
<div><span class="yiv3441271092-21102016"><font size="4"><font face="Arial">Those numbers seem far below a typical "wifi hotspot"
connection.<span class="yiv3441271092-21102016"> I've
never experienced such bad connections as these. What does a typical
hotspot like a Dunn Bros coffee shop
offer?</span></font></font></span></div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016"></span></font> </div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016"></span></font> </div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016">Please assist as you
can.</span></font></div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016"></span></font> </div>
<div><font size="4" face="Arial"><span class="yiv3441271092-21102016">Chuck Cole</span></font></div>
<div><font size="4" color="#0000ff" face="Arial"><span class="yiv3441271092-21102016"></span></font></div></div></div><br clear="none">_______________________________________________<br clear="none">TCLUG
Mailing List - Minneapolis/St. Paul, Minnesota<br clear="none"><a rel="nofollow" shape="rect" ymailto="mailto:tclug-list@mn-linux.org" target="_blank" href="mailto:tclug-list@mn-linux.org">tclug-list@mn-linux.org</a><br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://mailman.mn-linux.org/mailman/listinfo/tclug-list">http://mailman.mn-linux.org/mailman/listinfo/tclug-list</a><br clear="none"><br clear="none"><br clear="none"></div></div></div></div></div><pre>_______________________________________________
TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
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