Notice :
This posting contains error especially when I was said that “AP cannot be configured as an AP mode and as a repeater mode at the same time”. Please refer to this newer posting “WDS configuration on SMCWBR14-G, SMCWEBT-G, and SMC7904WBRA”
This is not about options trading strategy or other online business, this is about IT, to be exact about wireless problem.
Yes I admitted it that until now my main source of income comes from IT business not from options trading, but someday (I hope it won’t be long) my primary business will be options trading.
One of my customers asked me to install the wireless LAN connection in their office. The office is located in the suburb of Bandung, it takes one hour from my office to get there. There are two main buildings made of steel, each building is about 500 meters acre. The buildings are almost adjacent only 5 meters away from each other. I suggested them to install one wireless router ( to anticipate ADSL internet connection) and one access point to cover the area. At first I configured the wireless device like this :

Guess what ? This configuration didn’t work, although the wireless client had a strong signal from the AP, but it cannot go through to the server. The device’s manual didn’t help much aboout this problem, some mailing lists suggested this configuration :

Indeed it worked well for that particular station but other wireless station could not connect to the server. That configuration didn’t solve my problem, and I kept on looking for the answer…
A friend through mailing list was facing the same problem and he came into a conclusion that the configuration should look like this :

Yes that is the answer, and this makes sense to me.
The explanation behind this configuration is that AP cannot be configured as an AP mode and as a repeater mode at the same time.
However I didn’t implement this scenario to my customer, instead I pulled a wire between Wireless router and AP instead, and this also worked well, I gave them channel 6 and 11 to make sure it would not overlap when two AP have the same coverage. The configuration looks like this :

Note :
At that time I used SMC for all wireless devices, and the coverage were excellent comparing to other brand as long as I remember.