Wednesday, June 25, 2014

Wireless Point-to-Point Mikrotik

Wireless Point-to-Point Mikrotik - Wireless Point-to-Point is a wireless communication connection between two points, where the host is connected only with one client. Wireless Point-to-Point (P2P) using two Mikrotik Mikrotik + Directional Antenna (Grid, Yagi, Sectoral, etc.). Application of Wireless Point-to-point on Mikrotik RouterOS license requires a minimum of level 3 in bridge mode - station.

The device used is Mikrotik Mikrotik Outdoor which has resistance to a wide range of weather conditions, for example using the RB 433. Mikrotik will later be installed in the tower of his communication with directional antenna. For installation Mikrotik and its own antenna must consider the condition of the surrounding environment.

Line of Sight

Line of Sight (LoS) is a straight path between the sender (transmitter) and receiver (receiver) that is free of obstructions. So the air path between the AP and the client as much as possible that nothing is blocking, such as buildings, trees, hills, etc.. If there is a barrier then the Wi-Fi connectivity will not be maximized, will not even be able to connect.

Fresnel Zone

Fresnel Zone is the area around a straight line between the antenna (LoS) is used as a medium frequency propagation. In addition to the barrier-free LoS, Fresnel Zone area is also as much as possible its not too much of a barrier.

For more details, please see the following picture:

Antenna Alignment

Antenna Alignment is the direction of the antenna used. Antenna client should lead to the AP antennas, and vice versa. The angle and direction of the antenna must also be considered, because if it does not lead to better then the signal will not be received with the maximum.

Mikrotik 1 as an Access Point (AP)

In Mikrotik 1 is used as an AP with Bridge mode. Why is Bridge? Because of the Point-to-Point only two-way communication occurs only between the AP and the client. If the Client is more than one means that including Point-to-Multipoint. Well, Bridge mode allows only one client alone who can connect to the AP.

Mikrotik 2 as a Client

Client connected to the AP via Wireless use Station mode. At Station usual mode does not support L2 bridging, so it can not be used to make the network transparent wireless bridge. If you use a regular Station mode then must use routing, instead of her bridge.

How to install Windows 7 via USB stick

How to install Windows 7 via USB stick

install-windows-7-from-usb
During this time I have tried to find information on how to install Windows 7 via flash, and finally succeeded well, although the process is running a little slow and I think guns are going too ya can install via USB flash, baru2 has many articles that discuss cara2 install windows via USB flash, and I do not think it's worth trying another trick, who knows there is an increase in speed penginstallannya.
Installing Windows via USB flash turned out a lot of advantages compared to the CD or DVD disk, we do not have to worry about CDs or DVDs that guns are the same kebaca CD / DVD-ROM, CD or DVD is scratched, sometimes complicate the process of installing Windows, while stick through itself, it was necessary that such guns happen again.
I'll show you 2 (manually and automatically) to install Windows 7 via USB stick
Before we begin, need to be prepared is: At least 1buah stick with 4Gb capacitance ato more, because Windows 7 at least take place at 3Gb.

"Two Wings Of A Bird ..." (Bung Karno - Fatmawati) (Love on Top of Old Bicycle)

"Two Wings Of A Bird ..." (Bung Karno - Fatmawati) (Love on Top of Old Bicycle)

"Men and women are like two wings of a bird ... If two equally powerful wings, the bird then fly up to the highest peak; If broken one of the two wings, the bird was not it can be flown at all "
Soekarno ~ ~
Wallpaper size of 480 x 480 pixels


Wallpaper size of 640 x 960 pixels




Wallpaper size of 720 x 540 pixels

Wallpaper size 1024 x 768 pixels

"Dream tall sky." (Sukarno)

"Dream tall sky .." (Sukarno)


gambar soekarno - gantungkan cita-cita setinggi langit (quote)
Hang your goals as high as the sky! Dream sky ... If you fall, you will fall in between the stars.
Soekarno ~ ~