[CWN-Summit] Re: CWN-Summit Digest, Vol 34, Issue 8
Stelios Valavanis
stel at onshore.com
Mon Jun 18 10:24:54 CDT 2007
good stuff. thanks.
On Sunday 17 June 2007 23:25:00 Ramon Roca wrote:
> Sure it depends on device location and clients density. We've been using
> multiple radio devices for a while, and talking in general, I could
> clearly point a couple of tips.
> -Avoid 802.11g for clients, use 802.11b instead, if not it could result
> a very noisy environment.
> -Look for positions where the coverage can be done by patch/sector
> antennas instead of omnis.
>
> En/na Stelios Valavanis ha escrit:
> > i wouldn't mind hearing about any good antenna sources other than
> > hyperlinktech.net. we've got a project going on here (chicago) for a
> > neighborhood where we're using cuwin with dual-radio (802.11 a backhaul
> > mesh and 802.11g wifi to end users). we're about to begin testing a bunch
> > of antennas we got from hyperlink. of course we want to get the lowest
> > density of radios possible and since the geography is along a street
> > we're leaning towards sector or patch antennas perhaps with 2 per radio
> > on the wifi side (probably all omnis on the mesh side). any tips would be
> > appreciated.
> >
> > On Saturday 16 June 2007 14:48:29 Matt Westervelt wrote:
> >> Bob,
> >>
> >> I would suggest using a 2 radio box, with one radio as client to your
> >> network, and the other passively listening with kismet. This would give
> >> you full pcap dumps, and you would be able to do channel switching, etc.
> >>
> >>
> >> How inexpensive it gets really depends on how much work you're willing
> >> to put into it. There isn't anything that I've seen that does
> >> *exactly* what you want it to do, but you can probably find a canned
> >> commercial solution that does 50-80%. I wouldn't expect it to be cheap
> >> though.
> >>
> >> Another question I'd ask right away is how 'in the field' these need to
> >> be. Are you talking mobile (battery powered) or placed in a fixed
> >> location and always on (wired in).
> >>
> >> I can probably help you spec something out.
> >>
> >> -matt
> >>
> >> cwn-summit-request at lists.cuwireless.net wrote:
> >>> Send CWN-Summit mailing list submissions to
> >>> cwn-summit at lists.cuwireless.net
> >>>
> >>> To subscribe or unsubscribe via the World Wide Web, visit
> >>> http://lists.chambana.net/cgi-bin/listinfo/cwn-summit
> >>> or, via email, send a message with subject or body 'help' to
> >>> cwn-summit-request at lists.cuwireless.net
> >>>
> >>> You can reach the person managing the list at
> >>> cwn-summit-owner at lists.cuwireless.net
> >>>
> >>> When replying, please edit your Subject line so it is more specific
> >>> than "Re: Contents of CWN-Summit digest..."
> >>>
> >>>
> >>> Today's Topics:
> >>>
> >>> 1. Re: CWN-Summit Digest, Vol 34, Issue 7 (Bob Dixon)
> >>> 2. Re: Re: CWN-Summit Digest, Vol 34, Issue 7 (Wolfgang Nagele)
> >>> 3. Re: Re: CWN-Summit Digest, Vol 34, Issue 7 (Ramon Roca)
> >>>
> >>>
> >>> ----------------------------------------------------------------------
> >>>
> >>> Message: 1
> >>> Date: Fri, 15 Jun 2007 15:16:27 -0400
> >>> From: Bob Dixon <dixon.8 at osu.edu>
> >>> Subject: [CWN-Summit] Re: CWN-Summit Digest, Vol 34, Issue 7
> >>> To: cwn-summit at lists.cuwireless.net
> >>> Message-ID: <p06240802c2988c6fb239@[140.254.49.232]>
> >>> Content-Type: text/plain; charset="us-ascii" ; format="flowed"
> >>>
> >>> I guess I need to explain our need in more detail. We can already
> >>> monitor the devices that have remote monitoring available. We need
> >>> remote devices that can be placed in the field to listen to and
> >>> monitor the wireless network signal strength, connectivity etc, and
> >>> report back to us. These remote devices are themselves using the
> >>> wireless network.
> >>>
> >>> Bob
> >>>
> >>>> Send CWN-Summit mailing list submissions to
> >>>> cwn-summit at lists.cuwireless.net
> >>>>
> >>>> To subscribe or unsubscribe via the World Wide Web, visit
> >>>> http://lists.chambana.net/cgi-bin/listinfo/cwn-summit
> >>>> or, via email, send a message with subject or body 'help' to
> >>>> cwn-summit-request at lists.cuwireless.net
> >>>>
> >>>> You can reach the person managing the list at
> >>>> cwn-summit-owner at lists.cuwireless.net
> >>>>
> >>>> When replying, please edit your Subject line so it is more specific
> >>>> than "Re: Contents of CWN-Summit digest..."
> >>>>
> >>>>
> >>>> Today's Topics:
> >>>>
> >>>> 1. Re: Remote Monitoring of Wireless Networks (Wolfgang Nagele)
> >>>> 2. Re: CWN-Summit Digest, Vol 34, Issue 6 (Bob Dixon)
> >>>> 3. videos from the recent summit (Phil Shapiro)
> >>>> 4. Re: CWN-Summit Digest, Vol 34, Issue 6 (Satish Jha)
> >>>> 5. Re: Re: CWN-Summit Digest, Vol 34, Issue 6 (Stelios Valavanis)
> >>>>
> >>>>
> >>>> ----------------------------------------------------------------------
> >>>>
> >>>> Message: 1
> >>>> Date: Wed, 13 Jun 2007 19:08:54 +0200
> >>>> From: "Wolfgang Nagele" <mail at wnagele.com>
> >>>> Subject: Re: [CWN-Summit] Remote Monitoring of Wireless Networks
> >>>> To: "National Summit on Community Wireless Networking Participant
> >>>> E-mail List" <cwn-summit at lists.cuwireless.net>
> >>>> Message-ID:
> >>>> <10c1e1e40706131008i920d8f0ub319f408ad1b7f5 at mail.gmail.com>
> >>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> >>>>
> >>>> If they have SNMP output you could use Cacti quite easily:
> >>>> http://cacti.net/ For monitoring with altering, etc. you should have a
> >>>> look at Nagios (http://www.nagios.org/).
> >>>>
> >>>> Regards,
> >>>> Wolfgang
> >>>>
> >>>> 2007/6/13, Bob Dixon <dixon.8 at osu.edu>:
> >>>>> We would like to monitor the health of several community wireless
> >>>>> networks located in rural areas.
> >>>>> They are connected to the Internet via satellite links which we
> >>>>> provide. We already monitor things like routers etc that have
> >>>>> remote monitoring capabilities. But we are finding that is not
> >>>>> enough. We need to know if the wireless signal strength is normal at
> >>>>> various points, if traffic is getting thru etc.
> >>>>> Are there easy and inexpensive ways to do this?
> >>>>>
> >>>>> Bob
> >>>>>
> >>>>>
> >>>>> --
> >>>>> Robert S. Dixon, Ph D, PE
> >>>>> Chief Research Engineer
> >>>>> Ohio Academic Resources Network (OARNet)
> >>>>> and
> >>>>> Ohio State University, Office of the CIO
> >>>>>
> >>>>> Office Telephone: 614-292-1638
> >>>>> Fax: 614-292-7081
> >>>>> _______________________________________________
> >>>>> CWN-Summit mailing list
> >>>>> CWN-Summit at lists.cuwireless.net
> >>>>> http://lists.chambana.net/cgi-bin/listinfo/cwn-summit
> >>>>
> >>>> ------------------------------
> >>>>
> >>>> Message: 2
> >>>> Date: Wed, 13 Jun 2007 13:11:49 -0400
> >>>> From: Bob Dixon <dixon.8 at osu.edu>
> >>>> Subject: [CWN-Summit] Re: CWN-Summit Digest, Vol 34, Issue 6
> >>>> To: cwn-summit at lists.cuwireless.net
> >>>> Message-ID: <p06240812c295d58371af@[140.254.49.232]>
> >>>> Content-Type: text/plain; charset="us-ascii" ; format="flowed"
> >>>>
> >>>> We use Dlink and Teletronics access points.
> >>>> They are backhauled via a satellite link to the Internet.
> >>>>
> >>>> Bob
> >>>>
> >>>>> 1. Remote Monitoring of Wireless Networks (Bob Dixon)
> >>>>> 2. Re: Remote Monitoring of Wireless Networks (Stelios Valavanis)
> >>>>>
> >>>>>
> >>>>> ---------------------------------------------------------------------
> >>>>>-
> >>>>>
> >>>>> Message: 1
> >>>>> Date: Wed, 13 Jun 2007 11:12:13 -0400
> >>>>> From: Bob Dixon <dixon.8 at osu.edu>
> >>>>> Subject: [CWN-Summit] Remote Monitoring of Wireless Networks
> >>>>> To: cwn-summit at lists.cuwireless.net
> >>>>> Message-ID: <p06240805c295b8e8bd72@[140.254.49.232]>
> >>>>> Content-Type: text/plain; charset="us-ascii" ; format="flowed"
> >>>>>
> >>>>> We would like to monitor the health of several community wireless
> >>>>> networks located in rural areas.
> >>>>> They are connected to the Internet via satellite links which we
> >>>>> provide. We already monitor things like routers etc that have remote
> >>>>> monitoring capabilities. But we are finding that is not enough. We
> >>>>>
> >>>> >need to know if the wireless signal strength is normal at various
> >>>>>
> >>>>> points, if traffic is getting thru etc.
> >>>>> Are there easy and inexpensive ways to do this?
> >>>>>
> >>>>> Bob
> >>>>>
> >>>>>
> >>>>>
> >>>>> Message: 2
> >>>>> Date: Wed, 13 Jun 2007 11:43:08 -0500
> >>>>> From: Stelios Valavanis <stel at onshore.com>
> >>>>> Subject: Re: [CWN-Summit] Remote Monitoring of Wireless Networks
> >>>>> To: National Summit on Community Wireless Networking Participant
> >>>>> E-mail List <cwn-summit at lists.cuwireless.net>
> >>>>> Message-ID: <200706131143.08554.stel at onshore.com>
> >>>>> Content-Type: text/plain; charset="iso-8859-1"
> >>>>>
> >>>>> what APs are you using? how are they backhauled?
> >>>>>
> >>>>>
> >>>>> _______________________________________
> >>>>> stel valavanis http://www.onshore.com/
> >>>>
> >>>> --
> >>>> Robert S. Dixon, Ph D, PE
> >>>> Chief Research Engineer
> >>>> Ohio Academic Resources Network (OARNet)
> >>>> and
> >>>> Ohio State University, Office of the CIO
> >>>>
> >>>> Office Telephone: 614-292-1638
> >>>> Fax: 614-292-7081
> >>>>
> >>>>
> >>>> ------------------------------
> >>>>
> >>>> Message: 3
> >>>> Date: Wed, 13 Jun 2007 14:42:04 -0400
> >>>> From: Phil Shapiro <pshapiro at his.com>
> >>>> Subject: [CWN-Summit] videos from the recent summit
> >>>> To: cwn-summit at lists.cuwireless.net
> >>>> Message-ID: <1181760124.46703a7cd9da5 at webmail2.his.com>
> >>>> Content-Type: text/plain; charset=ISO-8859-1
> >>>>
> >>>> hi everyone,
> >>>>
> >>>> here are some of the short video interviews from the recent summit.
> >>>>
> >>>> Xavier Leonard, Heads on Fire, San Diego, California
> >>>> http://youtube.com/watch?v=kBz6-kfUbBQ
> >>>>
> >>>> Bogdan Tancic, Serbia Wireless, Belgrade, Serbia
> >>>> http://youtube.com/watch?v=rCVtPcFp14E
> >>>>
> >>>> Dillip Pattanaik, IRMA-India, Orissa State Volunteers and Social
> >>>> Workers Ass'n http://youtube.com/watch?v=1gb_Vmg45mE
> >>>>
> >>>>
> >>>> i've sent a bunch more short interviews over to marco figueiredo
> >>>> for him to put on the Center for Community Informatics (CCI) web site.
> >>>> these videos are
> >>>> in h.264 format, so they'll play on any operating system.
> >>>>
> >>>> the CCI web site is at http://cci.cs.loyola.edu/
> >>>>
> >>>> you can subscribe to the feed for this web site to stay in
> >>>> the loop about new items added to the CCI blog.
> >>>>
> >>>> thanks to everyone who participated in the video interviews.
> >>>> you're all doing great things.
> >>>>
> >>>> phil shapiro
> >>>>
> >>>>
> >>>> --
> >>>> Phil Shapiro pshapiro at his.com
> >>>> http://www.his.com/pshapiro/briefbio.html
> >>>> http://philsrssfeed.blogspot.com
> >>>> http://www.his.com/pshapiro/stories.menu.html
> >>>>
> >>>> "Wisdom starts with wonder." - Socrates
> >>>> "Learning happens through gentleness."
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> ------------------------------
> >>>>
> >>>> Message: 4
> >>>> Date: Wed, 13 Jun 2007 16:46:44 -0400
> >>>> From: "Satish Jha" <sjha at vsnl.com>
> >>>> Subject: [CWN-Summit] Re: CWN-Summit Digest, Vol 34, Issue 6
> >>>> To: cwn-summit at lists.cuwireless.net
> >>>> Message-ID:
> >>>> <a7da96740706131346j1013c34fvca67872237258104 at mail.gmail.com>
> >>>> Content-Type: text/plain; charset="iso-8859-1"
> >>>>
> >>>> I am putting together a panel to explore how the wireless technologies
> >>>> will shape the markets in India and the US in the next 5 to 10 years
> >>>> and explore opportunities in both market and social space. I shall
> >>>> greatly appreciate your thoughts and recommendations for people who
> >>>> should be interested in the panel / would like to join the panel. The
> >>>> conference is going to be held on Sept 5/6 in Washington DC.
> >>>> Thanks
> >>>>
> >>>>
> >>>> On 6/13/07, cwn-summit-request at lists.cuwireless.net <
> >>>>
> >>>> cwn-summit-request at lists.cuwireless.net> wrote:
> >>>>> Send CWN-Summit mailing list submissions to
> >>>>> cwn-summit at lists.cuwireless.net
> >>>>>
> >>>>> To subscribe or unsubscribe via the World Wide Web, visit
> >>>>> http://lists.chambana.net/cgi-bin/listinfo/cwn-summit
> >>>>> or, via email, send a message with subject or body 'help' to
> >>>>> cwn-summit-request at lists.cuwireless.net
> >>>>>
> >>>>> You can reach the person managing the list at
> >>>>> cwn-summit-owner at lists.cuwireless.net
> >>>>>
> >>>>> When replying, please edit your Subject line so it is more specific
> >>>>> than "Re: Contents of CWN-Summit digest..."
> >>>>>
> >>>>>
> >>>>> Today's Topics:
> >>>>>
> >>>>> 1. Remote Monitoring of Wireless Networks (Bob Dixon)
> >>>>> 2. Re: Remote Monitoring of Wireless Networks (Stelios Valavanis)
> >>>>>
> >>>>>
> >>>>>
> >>>>> ---------------------------------------------------------------------
> >>>>>-
> >>>>>
> >>>>> Message: 1
> >>>>> Date: Wed, 13 Jun 2007 11:12:13 -0400
> >>>>> From: Bob Dixon <dixon.8 at osu.edu>
> >>>>> Subject: [CWN-Summit] Remote Monitoring of Wireless Networks
> >>>>>
> >>>> > To: cwn-summit at lists.cuwireless.net
> >>>>>
> >>>>> Message-ID: <p06240805c295b8e8bd72@[140.254.49.232]>
> >>>>> Content-Type: text/plain; charset="us-ascii" ; format="flowed"
> >>>>>
> >>>>> We would like to monitor the health of several community wireless
> >>>>> networks located in rural areas.
> >>>>> They are connected to the Internet via satellite links which we
> >>>>> provide. We already monitor things like routers etc that have
> >>>>> remote monitoring capabilities. But we are finding that is not
> >>>>> enough. We need to know if the wireless signal strength is normal at
> >>>>> various points, if traffic is getting thru etc.
> >>>>> Are there easy and inexpensive ways to do this?
> >>>>>
> >>>>> Bob
> >>>>>
> >>>>>
> >>>>> --
> >>>>> Robert S. Dixon, Ph D, PE
> >>>>> Chief Research Engineer
> >>>>> Ohio Academic Resources Network (OARNet)
> >>>>> and
> >>>>> Ohio State University, Office of the CIO
> >>>>>
> >>>>> Office Telephone: 614-292-1638
> >>>>> Fax: 614-292-7081
> >>>>>
> >>>>>
> >>>>> ------------------------------
> >>>>>
> >>>>> Message: 2
> >>>>> Date: Wed, 13 Jun 2007 11:43:08 -0500
> >>>>> From: Stelios Valavanis <stel at onshore.com>
> >>>>> Subject: Re: [CWN-Summit] Remote Monitoring of Wireless Networks
> >>>>> To: National Summit on Community Wireless Networking Participant
> >>>>> E-mail List <cwn-summit at lists.cuwireless.net>
> >>>>> Message-ID: <200706131143.08554.stel at onshore.com>
> >>>>> Content-Type: text/plain; charset="iso-8859-1"
> >>>>>
> >>>>> what APs are you using? how are they backhauled?
> >>>>>
> >>>>> On Wednesday 13 June 2007 10:12:13 Bob Dixon wrote:
> >>>>> > We would like to monitor the health of several community wireless
> >>>>> > networks located in rural areas.
> >>>>> > They are connected to the Internet via satellite links which we
> >>>>> > provide. We already monitor things like routers etc that have
> >>>>> > remote monitoring capabilities. But we are finding that is not
> >>>>> > enough. We need to know if the wireless signal strength is normal
> >>>>> > at various points, if traffic is getting thru etc.
> >>>>> > Are there easy and inexpensive ways to do this?
> >>>>> >
> >>>>> > Bob
> >>>>>
> >>>>> --
> >>>>> _______________________________________
> >>>>> stel valavanis http://www.onshore.com/
> >>>>>
> >>>>>
> >>>>> ------------------------------
> >>>>>
> >>>>> _______________________________________________
> >>>>> CWN-Summit mailing list
> >>>>> CWN-Summit at lists.cuwireless.net
> >>>>> http://lists.chambana.net/cgi-bin/listinfo/cwn-summit
> >>>>> http://www.communitywirelesssummit.org
> >>>>> http://www.cuwireless.net
> >>>>>
> >>>>> End of CWN-Summit Digest, Vol 34, Issue 6
> >>>>> *****************************************
> >>>>
> >>>> --
> >>>> _______________________
> >>>> Satish Jha
> >>>> Co-Chair, World IT Forum (WITFOR)
> >>>> www.ehealth-care.net
> >>>> www.witfor.org
> >>>> www.aiti-kace.com.gh
> >>>> www.digital-partners.org
> >>>> T: +1 301-841-7422
> >>>> __________________________________
> >>>> -------------- next part --------------
> >>>> An HTML attachment was scrubbed...
> >>>> URL:
> >>>> http://lists.chambana.net/mailman/archive/cwn-summit/attachments/20070
> >>>>61 3/87c63fb8/attachment-0001.html
> >>>>
> >>>> ------------------------------
> >>>>
> >>>> Message: 5
> >>>> Date: Wed, 13 Jun 2007 16:42:33 -0500
> >>>> From: Stelios Valavanis <stel at onshore.com>
> >>>> Subject: Re: [CWN-Summit] Re: CWN-Summit Digest, Vol 34, Issue 6
> >>>> To: National Summit on Community Wireless Networking Participant
> >>>> E-mail List <cwn-summit at lists.cuwireless.net>
> >>>> Message-ID: <200706131642.33866.stel at onshore.com>
> >>>> Content-Type: text/plain; charset="iso-8859-1"
> >>>>
> >>>> i mean how to the access points connect to the router before going up
> >>>> the satellite link?
> >>>>
> >>>> On Wednesday 13 June 2007 12:11:49 Bob Dixon wrote:
> >>>>> We use Dlink and Teletronics access points.
> >>>>> They are backhauled via a satellite link to the Internet.
> >>>>>
> >>>>> Bob
> >>>>>
> >>>>> > 1. Remote Monitoring of Wireless Networks (Bob Dixon)
> >>>>> > 2. Re: Remote Monitoring of Wireless Networks (Stelios
> >>>>> > Valavanis)
> >>>>> >
> >>>>> >
> >>>>> >-------------------------------------------------------------------
> >>>>> >-- -
> >>>>> >
> >>>>> >Message: 1
> >>>>> >Date: Wed, 13 Jun 2007 11:12:13 -0400
> >>>>> >From: Bob Dixon <dixon.8 at osu.edu>
> >>>>> >Subject: [CWN-Summit] Remote Monitoring of Wireless Networks
> >>>>> >To: cwn-summit at lists.cuwireless.net
> >>>>> >Message-ID: <p06240805c295b8e8bd72@[140.254.49.232]>
> >>>>> >Content-Type: text/plain; charset="us-ascii" ; format="flowed"
> >>>>> >
> >>>>> >We would like to monitor the health of several community wireless
> >>>>> >networks located in rural areas.
> >>>>> >They are connected to the Internet via satellite links which we
> >>>>> >
> >>>> > >provide. We already monitor things like routers etc that have
> >>>> > > remote
> >>>>> >
> >>>>> >monitoring capabilities. But we are finding that is not enough. We
> >>>>> >need to know if the wireless signal strength is normal at various
> >>>>> >points, if traffic is getting thru etc.
> >>>>> >Are there easy and inexpensive ways to do this?
> >>>>> >
> >>>>> >Bob
> >>>>> >
> >>>>> >
> >>>>> >
> >>>>> >Message: 2
> >>>>> >Date: Wed, 13 Jun 2007 11:43:08 -0500
> >>>>> >From: Stelios Valavanis <stel at onshore.com>
> >>>>> >Subject: Re: [CWN-Summit] Remote Monitoring of Wireless Networks
> >>>>> >To: National Summit on Community Wireless Networking Participant
> >>>>> > E-mail List <cwn-summit at lists.cuwireless.net>
> >>>>> >Message-ID: <200706131143.08554.stel at onshore.com>
> >>>>> >Content-Type: text/plain; charset="iso-8859-1"
> >>>>> >
> >>>>> >what APs are you using? how are they backhauled?
> >>>>> >
> >>>>> >
> >>>>> >_______________________________________
> >>>>> >stel valavanis http://www.onshore.com/
> >>>>
> >>>> --
> >>>> _______________________________________
> >>>> stel valavanis http://www.onshore.com/
> >>>>
> >>>>
> >>>> ------------------------------
> >>>>
> >>>> _______________________________________________
> >>>> CWN-Summit mailing list
> >>>> CWN-Summit at lists.cuwireless.net
> >>>> http://lists.chambana.net/cgi-bin/listinfo/cwn-summit
> >>>> http://www.communitywirelesssummit.org
> >>>> http://www.cuwireless.net
> >>>>
> >>>> End of CWN-Summit Digest, Vol 34, Issue 7
> >>>> *****************************************
> >>
> >> _______________________________________________
> >> CWN-Summit mailing list
> >> CWN-Summit at lists.cuwireless.net
> >> http://lists.chambana.net/cgi-bin/listinfo/cwn-summit
--
_______________________________________
stel valavanis http://www.onshore.com/
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