WirelessAfrica - User contributions [en]

Talk:Main Page

2007-01-29T09:33:18Z

Yusufk:

This is where we should discuss what goes on the Wiki...

== Wireless Africa, Connectivity or COIN ==

Should this wiki be for the Connectivity group, the Wireless Africa project or the COIN sub-project? My personal view is that it should house all that happens/ happened in the Connectivty group....

Yusuf

== Site Sidebar ==

'''Suggestion:''' Put the links at the navigation box on the left

'''How to:''' Under MediaWiki 1.5 you need to edit [[MediaWiki:Sidebar]]

== implemented suggestion ==

better?

reply: much better!

== howdy ==
Not much activity on the wiki, u guys must be real busy on those dissertations?

Yusuf

Contact

2006-06-19T09:27:35Z

Yusufk:

Email: wa-admin@meraka.org.za

Tel.: +27 12 841 3300

Contact

2006-06-19T09:17:36Z

Yusufk:

Email: webmaster@meraka.csir.co.za

Tel.: +27 12 841 3300

Contact

2006-06-19T09:17:26Z

Yusufk:

Email: webmaster@meraka.csir.co.za
Tel.: +27 12 841 3300

MediaWiki:Sidebar

2006-06-19T09:11:27Z

Yusufk:

Home-Brew Antennae

2006-05-30T08:11:41Z

Yusufk: /* Cantenna */

==Omnidirectional Antennae==
It is possible to make a homebrew omnidirectional antenna, as shown in the guides listed on [[Links#Antennae]].

==Directional Antennae==
===Cantenna===
The instructions shown the websites listed on [[Links#Antennae]] were used to build some cantennae as shown in the pictures:

[[Image:P9170496.jpg|thumb|left]]
[[Image:Cantenna.jpg|thumb|left]]
[[Image:Cantenna2.jpg|thumb|left]]

'''Left to right,Cantenna on Tripod, Conical Feed element and Cantenna with bicycle spoke element'''

This [[Image:Circular waveguide optimise.xls|Spreadsheet]] can be used to optimise the variables when building a cantenna.

===Sectoral Antenna===
A sectoral antenna provides the best of both worlds in terms of gain as well as beam-width and can be applied to many situations in mesh networking.

====Turn an Omni into a Sector====

The reflector designs shown, found at [http://www.freeantennas.com/ Freeantennas.com] can be applied to a standard omni and will turn the omni into a sectoral antenna.

[[Image:Template.jpg|thumb|left]]

[[Image:Wet-11.jpg|thumb|left]]

Metal sheeting can be used for the reflector, however, the ideal would be some sort of mesh metal, with holes smaller than 1/4 wavelength (<3cm), so that the antenna is not affected by wind as much.

==Simulation==
[http://www.nec2.org/ NEC 2] was used to generate the simulated field pattern for a cantenna with the dimensions used in our first test cantenna.

[[Image:Simulation.jpg]]

Home-Brew Antennae

2006-05-30T08:11:18Z

Yusufk: /* Simulation */

==Omnidirectional Antennae==
It is possible to make a homebrew omnidirectional antenna, as shown in the guides listed on [[Links#Antennae]].

==Directional Antennae==
===Cantenna===
The instructions shown the websites listed on [[Links#Antennae]] were used ti build some cantennae as shown in the pictures:

[[Image:P9170496.jpg|thumb|left]]
[[Image:Cantenna.jpg|thumb|left]]
[[Image:Cantenna2.jpg|thumb|left]]

'''Left to right,Cantenna on Tripod, Conical Feed element and Cantenna with bicycle spoke element'''

This [[Image:Circular waveguide optimise.xls|Spreadsheet]] can be used to optimise the variables when building a cantenna.

===Sectoral Antenna===
A sectoral antenna provides the best of both worlds in terms of gain as well as beam-width and can be applied to many situations in mesh networking.

====Turn an Omni into a Sector====

The reflector designs shown, found at [http://www.freeantennas.com/ Freeantennas.com] can be applied to a standard omni and will turn the omni into a sectoral antenna.

[[Image:Template.jpg|thumb|left]]

[[Image:Wet-11.jpg|thumb|left]]

Metal sheeting can be used for the reflector, however, the ideal would be some sort of mesh metal, with holes smaller than 1/4 wavelength (<3cm), so that the antenna is not affected by wind as much.

==Simulation==
[http://www.nec2.org/ NEC 2] was used to generate the simulated field pattern for a cantenna with the dimensions used in our first test cantenna.

[[Image:Simulation.jpg]]

Ps

2006-05-22T12:39:09Z

Yusufk:

This page should require a login to view

Main Page

2006-04-26T09:54:20Z

Yusufk:

== [[Image: Meraka.jpg]] Wireless Africa / COIN Wiki ==
''Removing the barriers to enable bottom-up creation of access infrastructure''
----
[[Image:Cantenna-peebles-small.jpg]]
----
Please use the discussion tag above to comment and provide suggestions!

Please Email wa-admin(at)meraka.org.za if you wish to contribute or for further information.

WirelessAfrica:General disclaimer

2006-04-26T09:53:19Z

Yusufk:

We aren't responsible for any injury, mental, physical, psychological, meta-physical, spirtual or other, caused by reading, implementing, cursing at, the knowledge shared by us. We recommend the use of climbing ropes, safety goggles, condoms, common sense, even though not always explicitly stated and not necessarily in that order. Only a few animals were hurt during the making of this Wiki and nobody really liked those kittens anyway.

As you can see, this was not drawn up by a lawyer, nor a good comedian,therefore the [http://www.csir.co.za/plsql/ptl0002/PTL0002_PGE100_LOOSE_CONTENT?LOOSE_PAGE_NO=7003443 Official CSIR disclaimer] applies.

MediaWiki:Sidebar

2006-04-26T09:51:54Z

Yusufk:

WirelessAfrica:Community Portal

2006-04-26T09:49:04Z

Yusufk: /* Honourary Members ;) */

=Meraka COIN Team Members=
Kobus Roux

David Johnson

Yusuf Kaka

John Hay

Johann Hugo

Lawrence Mboweni

Madelein Van Den Berg

Anita Van De Merwe

=Honourary Members ;)=
Andrew, the Android Smith

=Contributors=

WirelessAfrica:Community Portal

2006-04-26T09:48:55Z

Yusufk: /* Meraka COIN Team Members */

MediaWiki:Sidebar

2006-04-26T09:35:51Z

Yusufk:

Main Page

2006-04-26T09:33:05Z

Yusufk:

Main Page

2006-04-26T09:32:51Z

Yusufk:

== [[Image: Meraka.jpg]] Wireless Africa / COIN Wiki ==
''Removing the barriers to enable bottom-up creation of access infrastructure''
----
[[Image:Cantenna-peebles-small.jpg]]
[[Image:can2.jpg]]
----
Please use the discussion tag above to comment and provide suggestions!

Please Email wa-admin(at)meraka.org.za if you wish to contribute.

Main Page

2006-04-26T09:28:16Z

Yusufk:

== [[Image: Meraka.jpg]] Wireless Africa / COIN Wiki ==
''Removing the barriers to enable bottom-up creation of access infrastructure''
----
[[Image:can1.jpg]]
[[Image:can2.jpg]]
----
Please use the discussion tag above to comment and provide suggestions!

Please Email wa-admin(at)meraka.org.za if you wish to contribute.

File:Can2.jpg

2006-04-26T09:27:52Z

Yusufk:

File:Can1.jpg

2006-04-26T09:27:34Z

Yusufk:

Main Page

2006-04-26T09:25:32Z

Yusufk:

== [[Image: Meraka.jpg]] Wireless Africa / COIN Wiki ==
''Removing the barriers to enable bottom-up creation of access infrastructure''
----

----
Please use the discussion tag above to comment and provide suggestions!

Please Email wa-admin(at)meraka.org.za if you wish to contribute.

Main Page

2006-04-26T09:14:06Z

Yusufk:

== [[Image: Meraka.jpg]] Wireless Africa / COIN Wiki ==
''Removing the barriers to enable bottom-up creation of access infrastructure''
----

'''Futures and foresight'''

[[Futures workshop]]

[[Urban revolution]]

[[Rural evolution]]

'''Technology research'''

[[Wireless Mesh Networking]]

[[Wireless Network Technology]]

'''Business/Regulatory models'''

[[Community ownership]]

[[Free/Libre Knowledge]]

[[Open Hardware]]

[[Alternative spectrum management]]

[[Regulatory Issues]]

'''Testbed networks'''

[[49-node Indoor Mesh]]

[[Pretoria Mesh]]

[[Mpumulanga Mesh]]

'''Costs'''

[[Cost Tables]]

'''Conference, workshops and journals'''

[[Conferences]]

[[Workshops]]

[[Journals]]
----
Please use the discussion tag above to comment and provide suggestions!

Please Email wa-admin(at)meraka.org.za if you wish to contribute.

MediaWiki:Sidebar

2006-04-25T14:56:03Z

Yusufk:

Talk:Main Page

2006-04-25T14:53:56Z

Yusufk: implemented suggestion

MediaWiki:Sidebar

2006-04-25T14:52:20Z

Yusufk:

MediaWiki:Sidebar

2006-04-25T14:51:43Z

Yusufk:

MediaWiki:Sidebar

2006-04-25T14:51:23Z

Yusufk:

MediaWiki:Sidebar

2006-04-25T14:50:12Z

Yusufk:

MediaWiki:Sidebar

2006-04-25T14:49:16Z

Yusufk:

MediaWiki:Sidebar

2006-04-25T14:48:30Z

Yusufk:

MediaWiki:Sidebar

2006-04-25T14:46:54Z

Yusufk:

* navigation
** mainpage|mainpage
** portal-url|portal
** currentevents-url|currentevents
** recentchanges-url|recentchanges
** randompage-url|randompage
** Downloads|Downloads
** HowTos|HowTos
** Links|Links
** helppage|help

* Futures and foresight
**Futures workshop|Futures workshop
**Urban revolution|Urban revolution
**Rural evolution|Rural evolution

*Technology research
**Wireless Mesh Networking
**Wireless Network Technology

*Business/Regulatory models
**Community ownership
**Free/Libre Knowledge
**Open Hardware]]
**Alternative spectrum management
**Regulatory Issues

*Testbed networks
**49-node Indoor Mesh
**Pretoria Mesh
**Mpumulanga Mesh

*Costs
**Cost Tables

*Conference, workshops and journals
**Conferences
**Workshops
**Journals

MediaWiki:Sidebar

2006-04-25T14:45:49Z

Yusufk:

* navigation
** mainpage|mainpage
** portal-url|portal
** currentevents-url|currentevents
** recentchanges-url|recentchanges
** randompage-url|randompage
** Downloads|Downloads
** HowTos|HowTos
** Links|Links
** helppage|help

* Futures and foresight
**Futures workshop|Futures workshop
**Urban revolution|Urban revolution
**Rural evolution|Rural evolution

*Technology research'''
**Wireless Mesh Networking]]
**Wireless Network Technology]]

*Business/Regulatory models'''
**Community ownership]]
**Free/Libre Knowledge]]
**Open Hardware]]
**Alternative spectrum management]]
**Regulatory Issues]]

*Testbed networks'''
**49-node Indoor Mesh]]
**Pretoria Mesh]]
**Mpumulanga Mesh]]

*Costs'''
**Cost Tables]]

*Conference, workshops and journals'''
**Conferences]]
**Workshops]]
**Journals]]

MediaWiki:Sidebar

2006-04-25T14:44:40Z

Yusufk:

* navigation
** mainpage|mainpage
** portal-url|portal
** currentevents-url|currentevents
** recentchanges-url|recentchanges
** randompage-url|randompage
** Downloads|Downloads
** HowTos|HowTos
** Links|Links
** helppage|help

* Futures and foresight
**Futures workshop|Futures workshop
**Urban revolution]]
**Rural evolution]]

*Technology research'''
**Wireless Mesh Networking]]
**Wireless Network Technology]]

*Business/Regulatory models'''
**Community ownership]]
**Free/Libre Knowledge]]
**Open Hardware]]
**Alternative spectrum management]]
**Regulatory Issues]]

*Testbed networks'''
**49-node Indoor Mesh]]
**Pretoria Mesh]]
**Mpumulanga Mesh]]

*Costs'''
**Cost Tables]]

*Conference, workshops and journals'''
**Conferences]]
**Workshops]]
**Journals]]

Open Hardware

2006-04-25T14:19:11Z

Yusufk: Reverted edit of 1145753052, changed back to last version by 1145152928

What if the Open-source community designed the hardware for a mesh node and made the designs open and free for all to use? Would this result in more reliable, cheaper nodes?

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The Story of Philemon

2006-04-25T14:18:33Z

Yusufk: Reverted edit of 1145753107, changed back to last version by Yusufk

It is twilight on a cold winters evening in Mamelodi east, Philemon has just climbed out of the Taxi in Mandela street when his eye catches a large crowd gathering outside the community hall. A smartly dressed man is holding up all sort of strange gadgets and gesturing to the crowd. Philemon is curious and begins walk closer, on further investigation, he sees that the man is talking about a computer that only costs R300 called the Biko I. He is also waving around some strange thing that looks like a drain pipe which he says will help you to connect to a digital community network called ubuntu-digital. With this, he claims, you can help your children with their schoolwork, look for jobs, Talk to other people in the network for free – no more expensive “pay as you go” cards, get legal advice, send letters to friends and relatives who also have a computers – he says the sky is the limit – you can even think up your own ways of using it to create new business. Philemon takes one of the pamphlets the man is handing out and begins reading it as he walks back to his small RDP house in block E of an area called Sundown valley. He sees that the computer plugs into a normal TV screen – he begins to imagine his children fighting to use the Biko I while he wants to watch the 7PM news, maybe he should pay the extra R200 for a separate colour monitor. He reads over a section on installing the ubuntu-digital network which costs R250 for the equipment and is pleased to see that there will be training every Tuesday at the community centre for people who need help installing it – apparently to bring down the cost you can make your own aerial out of a pringle can. It says that if you can see the community centre mast then you can connect to the network, if you can’t you need to get a neighbour involved who you can see and who can see the community centre mast. He begins to walk quicker now, as the excitement builds and he pictures telling his wife Florrie and 3 children about this exciting new device. He has already started calculating in his head that if he saved R100 a month he could buy the Biko I in 3 months and install the Ubuntu-digital network after 6 months.

IP Allocation

2006-04-25T14:18:00Z

Yusufk: Reverted edit of 1145753107, changed back to last version by Yusufk

See: [http://lists.bawug.org/pipermail/wireless/2003-April/026423.html BAWUG] Mesh, IP allocation and IP Routing
Here's an idea for assigning IP addresses to houses

==Got this idea from CU wireless==

"We will assign numbers to stations from 10.0/16. The last 16 bits are the XOR of the first two octets of the MAC number, the second two octets, and the third octets, where the bytes are taken in 'reading order.' That is, we produce numbers 10.0.A.B from the MAC numbers. If the MAC produces A = 0, B = 0 or A = 255, B = 255, then A and B are assigned randomly. The netmask is /16. (We compute numbers from the MAC to begin with because in the common case, a station will boot with the same A and B every time, which is useful for diagnostic purposes.) The host networks are assigned from 10/8. We assign to each Ethernet interface, a network 10.A.B.0, where A and B are computed as above from the Ethernet MAC number. If A = 0, we re-assign it randomly. The netmask is /24."

Rural Mesh Networks

2006-04-25T14:15:39Z

Yusufk:

[[Mpumulanga Mesh]]

Rural Mesh Networks

2006-04-25T14:13:55Z

Yusufk: Reverted edit of Yusufk, changed back to last version by 1145753107

[[Mpumulanga Mesh]]

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</div>

Rural Mesh Networks

2006-04-25T14:13:25Z

Yusufk: Reverted edit of 1145753107, changed back to last version by 1145152928

Alternative spectrum management

2006-04-25T14:06:19Z

Yusufk: Reverted edit of 1145488945, changed back to last version by 1145152875

Should the ISM bands be a free for all or should someone police the bandwidth hoggers?

<div style="display:none">
[We are delicate. We do not delete your content.]
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CuWIN Visit

2006-04-25T14:04:32Z

Yusufk: Reverted edit of 1145488945, changed back to last version by Yusufk

More info soon...

Home-Brew Antennae

2006-03-29T12:41:56Z

Yusufk: Reverted edit of Nichole, changed back to last version by Yusufk

==Omnidirectional Antennae==
It is possible to make a homebrew omnidirectional antenna, as shown in the guides listed on [[Links#Antennae]].

==Directional Antennae==
===Cantenna===
The instructions shown the websites listed on [[Links#Antennae]] were used ti build some cantennae as shown in the pictures:

[[Image:P9170496.jpg|thumb|left]]
[[Image:Cantenna.jpg|thumb|left]]
[[Image:Cantenna2.jpg|thumb|left]]

'''Left to right,Cantenna on Tripod, Conical Feed element and Cantenna with bicycle spoke element'''

This [[Image:Circular waveguide optimise.xls|Spreadsheet]] can be used to optimise the variables when building a cantenna.

===Sectoral Antenna===
A sectoral antenna provides the best of both worlds in terms of gain as well as beam-width and can be applied to many situations in mesh networking.

====Turn an Omni into a Sector====

The reflector designs shown, found at [http://www.freeantennas.com/ Freeantennas.com] can be applied to a standard omni and will turn the omni into a sectoral antenna.

[[Image:Template.jpg|thumb|left]]

[[Image:Wet-11.jpg|thumb|left]]

Metal sheeting can be used for the reflector, however, the ideal would be some sort of mesh metal, with holes smaller than 1/4 wavelength (<3cm), so that the antenna is not affected by wind as much.

==Simulation==
[http://www.nec2.org/ NEC 2] was used to generate the simulated field pattern for a cantenna with the dimensions used in our first test cantenna.

[[Image:Simulation.jpg]]

Cost Tables

2006-03-29T12:41:01Z

Yusufk: Reverted edit of Sh0t, changed back to last version by Kingdavid

== Scenario 1: Indoor USB Wireless solution (distance < 50m) ==

A simple cheap wireless LAN USB device can be bought and the mesh software can then be loaded on the computer. This setup is ideal for short range communication between a distrubuted cluster of houses that you find in a town house complex.

[[Image:Usb-wireless-final.jpg]]

{| border="1" cellpadding="2"
|-
! × !! Item description !! Supplier !! Supplier Stock Code !! Quantity type !! Cost !! Quantity !! Total
|-
! 1
| 11Mbps Wireless USB Adapter || MIRO || SL2511UB4 || EACH || R262.20 || 1 || R262.20
|-
| || || || || || || '''TOTAL''' || '''262.20'''
|}

==Scenario 2: Outdoor USB Wireless solution (distance < 3km) ==

Using a stick USB WiFi adapter, it is possible to plug a USB cable extender into a computer at one end and the USB WiFi adapter at the other end. The maximum distance allowed on such a USB cable is 5m unless a hub is used in between the devices. The USB adapter can then be mounted inside a tin can to help boost the gain.

[[Image:Usb-in-can-with-labels.jpg]]

{| border="1" cellpadding="2"
|-
! × !! Item description !! Supplier !! Supplier Stock Code !! Quantity type !! Cost !! Quantity !! Total
|-
! 1
| USB WiFi Stick Adapter - b/g || MIRO || SUB316 || EACH || R222.30 || 1 || R222.30
|-
! 2
| USB Type A Fem to Type A male 5M Active Extender || XX || XX || EACH || R120.00 || 1 || R120.00
|-
! 3
| Tin can (free - just drink lots of coffee first) || XX || XX || EACH || R0.00 || 1 || R0.00
|-
| || || || || || || '''TOTAL''' || '''R342.30'''
|}

==Scenario 3: Outdoor: Use old PC as dedicated Wireless router (distance depends on antenna and power of wifi card - can be up to 30km) ==

If you have an old unwanted Pentium lying around in the garage - this is an attractive option to build a low cost outdoor wireless router. You will need to purchase a PCI WiFi card, plug it into the old PC, place the old PC in the roof and then run an RF cable from the PC to an external Antenna.

{| border="1" cellpadding="2"
|-
! × !! Item description !! Supplier !! Supplier Stock Code !! Quantity type !! Cost !! Quantity !! Total
|-
! 1
| Old PC >= Pentium I with >=200Mb HD >=64Meg ram (hopefully you have one of these)
|| xxx || xxx || EACH || R0.00 || 1 || R0.00
|-
! 2
| Sonoa PCI Adapter b/g - 108Mbps || MIRO || SL3065PCI || EACH || R456.00 || 1 || R456.00
|-
! 3
| PCI Ethernet adapter || PC Palace || xxx || EACH || R78.66 || 1 || R78.66
|-
! 4
| SMA to N-Type pigtail|| MIRO || JACK-N-SMA-M || EACH || R85.50 || 1 || R85.50
|-
! 5
| RF cable (3M LMR400 N-Type male) || MIRO || CUSTOM || EACH || R182.40 || 1 || R182.40
|-
! 6
| Antenna (12dBi Yagi) || MIRO || PAE-12-YAE || EACH || R273.60 || 1 || R273.60
|-
! 7
| Ethernet cable (20m) || Compu Cable || xxx || METERS || R2.80 || 20 || R63.84
|-
! 8
| Ethernet connectors || Compu Cable || xxx || EACH || R1.48 || 2 || R2.96
|-
| || || || || || || '''TOTAL''' || '''R1142.96'''
|}

==Scenario 4: Indoor Wireless router (distance < 300m)==

A wireless router is a dedicated WiFi box which is capable of handling all the routing and networking issues of the mesh network. They usually come with an internet port, a built in switch with extra LAN ports and an external antenna. Once the mesh software is uploaded to the device, all that is required is to connect your PC to one of the LAN ports to be linked into the mesh network. We use the Linksys WRT54G becuase there is a lot of opensource software available for it.

{| border="1" cellpadding="2"
|-
! × !! Item description !! Supplier !! Supplier Stock Code !! Quantity type !! Cost !! Quantity !! Total
|-
! 1
| Linksys WRT54G wireless router || MIRO || LS-WRT54GL || EACH || R515 || 1 || R515
|-
| || || || || || || '''TOTAL''' || '''R515'''
|}

==Scenario 5a: Outdoor Wireless router under eaves (distance depends on antenna - can be up to 30km)==

If you want to extend the range of scenario 4, you will need to mount an external antenna. Simply running a long RF cable from the wireless router antenna connector to the roof of your house will incur large RF losses on the long RF cable that will be required. The solution is to move your wireless router to a point as close as possible to the position where your mast will be mounted on the side of the house under the eaves. The power to the wirless router can be injected into the ethernet cable using a power over ethernet injector on one side and extracted using the same device on the other side.

[[Image:outdoor-router.jpg]]

{| border="1" cellpadding="2"
|-
! × !! Item description !! Supplier !! Supplier Stock Code !! Quantity type !! Cost !! Quantity !! Total
|-
! 1
| Linksys WRT54G wireless router || MIRO || LS-WRT54GL || EACH || R515 || 1 || R515
|-
! 2
| TNC(RP) to N-Type pigtail|| MIRO || JACK-N-F-TNC-M || EACH || R70.00 || 1 || R70.00
|-
! 3
| RF cable (3M LMR400 N-Type male) || MIRO || CUSTOM || EACH || R182.40 || 1 || R182.40
|-
! 4
| Antenna (12dBi Yagi) || MIRO || PAE-12-YAE || EACH || R273.60 || 1 || R273.60
|-
! 5
| Ethernet cable (20m) || Compu Cable || xxx || METERS || R2.80 || 20 || R56.00
|-
! 6
| Ethernet connectors || Compu Cable || xxx || EACH || R1.48 || 2 || R2.96
|-
! 7
| POE injectors || MIRO || 12V-POE || EACH || R90 || 2 || R180
|-
! 8
| Power jacks || XX || XX || EACH || R2 || 2 || R4
|-
| || || || || || || '''TOTAL''' || '''R1283.96'''
|}

==Scenario 5b: Outdoor Wireless router in waterproof box (distance depends on antenna - can be up to 30km) ==

If you can't find a waterproof spot for your wireless router in your eaves (for example, people with flat roof houses), then you will need to mount your wireless router in a [[waterproof box]] which you moun on the mast. You will need to run the ethernet cable through a waterproof gland on the outside of the box and run a pigtail from the wireless router to a N-Type bulkhead connector on outside of the box.

[[Image:Wireless-outside-box2.jpg]]

{| border="1" cellpadding="2"
|-
! × !! Item description !! Supplier !! Supplier Stock Code !! Quantity type !! Cost !! Quantity !! Total
|-
! 1
| Linksys WRT54G wireless router || MIRO || LS-WRT54GL || EACH || R515 || 1 || R515
|-
! 2
| TNC(RP) to N-Type pigtail|| MIRO || JACK-N-F-TNC-M || EACH || R70.00 || 1 || R70.00
|-
! 3
| RF cable (3M LMR400 N-Type male) || MIRO || CUSTOM || EACH || R182.40 || 1 || R182.40
|-
! 4
| Antenna (12dBi Yagi) || MIRO || PAE-12-YAE || EACH || R273.60 || 1 || R273.60
|-
! 5
| Ethernet cable (20m) || Compu Cable || xxx || METERS || R2.80 || 20 || R56.00
|-
! 6
| Ethernet connectors || Compu Cable || xxx || EACH || R1.48 || 2 || R2.96
|-
! 7
| POE injectors || MIRO || 12V-POE || EACH || R90 || 2 || R180
|-
! 8
| Power jacks || XX || XX || EACH || R2 || 2 || R4
|-
! 9
| Weatherproof box || MIRO || ENCL-IP65 || EACH || R90 || 1 || R90
|-
! 10
| Weatherproof gland || MIRO || GLAND || EACH || R15 || 1 || R15
|-

| || || || || || || '''TOTAL''' || '''R1388.96'''
|}

Linux netbooting

2006-03-13T10:23:44Z

Yusufk: /* Create Linux File System */

Instructions follow on how to netboot using Ubuntu Linux.
=Server Setup=
==Setup DHCP==
[[/usr/local/etc/dhcp.conf]]

==Setup PXE==
==Setup Filesystem==
Useful information: [http://evanjones.ca/software/pxeimager-scratch.html Building PXE Imager from scratch]

1) Use debian debootstrap tool to create basic filesystem.

sudo debootstrap breezy /home/yusuf/ubuntu ftp://ftp.is.co.za/ubuntu/

2) chroot into new filesystem

sudo chroot /home/yusuf/ubuntu/

3) create apt source list

sudo vi /etc/apt/sources.list

4) Add packages

sudo apt-get update

sudo apt-get install ssh olsrd

5) Tar the filesystem

sudo tar -cvjf ubuntu.tar.gz ./ubuntu/

6) Copy the filesystem to the server and un-tar

scp ubuntu.tar.gz user@server:

=Client Setup=
==Create Linux Kernel==

sudo make menuconfig

Processor type and features --->
Processor family: Pentium-Classic
Device Drivers --->
Networking support --->
Networking options --->
[*]IP: kernel level autoconfiguration
[*] IP: DHCP support
[*] IP: BOOTP support
[*] IP: RARP support
File systems --->
Network File Systems --->
<*> NFS file system support
[*] Root file system on NFS

sudo make

sudo make bzImage

which will give you your linix kernel image (bzImage) in /usr/src/linux-source-2.6.12/arch/i386/boot/

sudo make modules

sudo make modules_install

sudo mkinitrd -o initrd.img-2.6.12 2.6.12

Linux netbooting

2006-03-13T10:22:23Z

Yusufk: /* Setup Filesystem */

Linux netbooting

2006-03-13T10:17:33Z

Yusufk: /* Setup Filesystem */

Instructions follow on how to netboot using Ubuntu Linux.
=Server Setup=
==Setup DHCP==
[[/usr/local/etc/dhcp.conf]]

==Setup PXE==
==Setup Filesystem==
Useful information: [http://evanjones.ca/software/pxeimager-scratch.html Building PXE Imager from scratch]

1) Use debian debootstrap tool to create basic filesystem.

sudo debootstrap breezy /home/yusuf/ubuntu ftp://ftp.is.co.za/ubuntu/

=Client Setup=
==Create Linux Kernel==

sudo make menuconfig

Processor type and features --->
Processor family: Pentium-Classic
Device Drivers --->
Networking support --->
Networking options --->
[*]IP: kernel level autoconfiguration
[*] IP: DHCP support
[*] IP: BOOTP support
[*] IP: RARP support
File systems --->
Network File Systems --->
<*> NFS file system support
[*] Root file system on NFS

sudo make

sudo make bzImage

which will give you your linix kernel image (bzImage) in /usr/src/linux-source-2.6.12/arch/i386/boot/

sudo make modules

sudo make modules_install

sudo mkinitrd -o initrd.img-2.6.12 2.6.12

==Create Linux File System==
Mount a separate partition
cd to a suitable place on the partition

Linux netbooting

2006-03-13T10:16:23Z

Yusufk: /* Create Linux Kernel */

Instructions follow on how to netboot using Ubuntu Linux.
=Server Setup=
==Setup DHCP==
[[/usr/local/etc/dhcp.conf]]

==Setup PXE==
==Setup Filesystem==
Useful information: [http://evanjones.ca/software/pxeimager-scratch.html Building PXE Imager from scratch]

1) Use debian debootstrap tool to create basic filesystem.

=Client Setup=
==Create Linux Kernel==

sudo make menuconfig

Processor type and features --->
Processor family: Pentium-Classic
Device Drivers --->
Networking support --->
Networking options --->
[*]IP: kernel level autoconfiguration
[*] IP: DHCP support
[*] IP: BOOTP support
[*] IP: RARP support
File systems --->
Network File Systems --->
<*> NFS file system support
[*] Root file system on NFS

sudo make

sudo make bzImage

which will give you your linix kernel image (bzImage) in /usr/src/linux-source-2.6.12/arch/i386/boot/

sudo make modules

sudo make modules_install

sudo mkinitrd -o initrd.img-2.6.12 2.6.12

==Create Linux File System==
Mount a separate partition
cd to a suitable place on the partition

Linux netbooting

2006-03-13T10:13:19Z

Yusufk: /* Create Linux Kernel */

Usr/local/etc/dhcpd.conf

2006-03-10T14:19:42Z

Yusufk:

server-identifier meshy.dhcp.icomtek.csir.co.za;
max-lease-time 43200;
server-identifier meshy.dhcp.icomtek.csir.co.za;
option domain-name-servers 172.20.1.1;
option domain-name "icomtek.csir.co.za";
option subnet-mask 255.255.255.0;
option broadcast-address 172.20.1.255;
option routers 172.20.1.1;

option ntp-servers 172.20.1.1;

option space PXE;
option PXE.mtftp-ip code 1 = ip-address;
option PXE.mtftp-cport code 2 = unsigned integer 16;
option PXE.mtftp-sport code 3 = unsigned integer 16;
option PXE.mtftp-tmout code 4 = unsigned integer 8;
option PXE.mtftp-delay code 5 = unsigned integer 8;
option PXE.discovery-control code 6 = unsigned integer 8;
option PXE.discovery-mcast-addr code 7 = ip-address;

ddns-update-style none;

default-lease-time 43200;
max-lease-time 43200;

class "pxe-soekris" {
match if (substring(option vendor-class-identifier, 0, 9) = "PXEClient") and
(substring(pick-first-value(option dhcp-client-identifier,hardware), 0, 4) = 1:00:00:24);

option vendor-class-identifier "PXEClient";
vendor-option-space PXE;
option PXE.discovery-control 11;

filename "pxeboot";
next-server 146.64.5.1;
#option root-path "146.64.5.1:/export/diskless/current";
option root-path "146.64.5.1:/export/diskless/soekris";
}

class "pxe-via" {
match if (substring(option vendor-class-identifier, 0, 9) = "PXEClient") and
(substring(pick-first-value(option dhcp-client-identifier,hardware),
0, 4) = 1:00:40:63);

option vendor-class-identifier "PXEClient";
vendor-option-space PXE;
option PXE.discovery-control 11;

#filename "pxeboot";
filename "pxelinux.0";
next-server 172.20.1.1;
#option root-path "172.20.1.1:/export/freebsd/6-stable";
#option root-path "172.20.1.1:/export/linux/ubuntu";
#option root-path "172.20.1.1:/export/linux/knoppix";
#option root-path "146.64.5.1:/export/diskless/soekris";
}

subnet 172.20.1.0 netmask 255.255.255.0 {
range 172.20.1.100 172.20.1.219;
use-host-decl-names on;
}

group {
option broadcast-address 172.20.1.255;
option routers 172.20.1.1;
host meshy-rtr {
hardware ethernet 00:12:a9:86:4b:a0;
fixed-address 172.20.1.2;
}
}

group {
option vendor-class-identifier "PXEClient";
vendor-option-space PXE;
option PXE.discovery-control 11;

filename "pxelinux.0";
next-server 172.20.1.1;
#option root-path "172.20.1.1:/export/linux/ubuntu";
#option root-path "172.20.1.1:/export/linux/knoppix";
include "/home/jhay/snmp/dhcpd.inc";
}

Usr/local/etc/dhcp.conf

2006-03-10T14:19:01Z

Yusufk: Usr/local/etc/dhcp.conf moved to Usr/local/etc/dhcpd.conf

#redirect [[Usr/local/etc/dhcpd.conf]]

Usr/local/etc/dhcpd.conf

2006-03-10T14:19:01Z

Yusufk: Usr/local/etc/dhcp.conf moved to Usr/local/etc/dhcpd.conf