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Extending a network from bullet to 4 Access Points

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  • Wireless Network
  • Bullet
Last response: in Wireless Networking
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September 10, 2014 12:45:27 AM

Howzit.

I have an issue here. Although we know that a complete Ubiquiti network would be ideal, we decided to go with a bullet and a TP-link router and a few Tp-link 300Mbps access points as it would be more affordable to the end user.

Layout is an office or reception/bar area with four blocks of rooms and about 4 rooms in a block. There is an access point in each block. The Router is in the office/ reception area which is wired through to the M2 bullet on the roof with a 12DBi antennae. The initial access point is linked to the bullet and thereafter each access point is linked to the previous. The strange thing is the first two blocks receive signal just fine and connect to the internet, however the last two access points although they connect just fine, there is no internet. Settings are just about the same on the all access points. Airmax is off and set to a 20MHz for connectivity reasons.

What am I doing wrong? Is there something wrong with me.. :p . Not supposed to be rocket science...

More about : extending network bullet access points

September 10, 2014 1:37:56 AM

I assume you are daisy chaining them together because you are over the cable length limit that prevents you from home running each to the main router. If you use static ip can you ping the router gateway address if you plug a pc into each ap as you move away from the main connection.

Now if you are using this device as a wireless repeater and running a repeater off another repeater then all bets are off. You are lucky to get a single repeater to work off a router...losing 50% of the bandwidth. You start to daisy chain repeaters and you will get massive network issues.
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September 10, 2014 2:16:34 AM

Ok then, thanks. Now Considering this network, The first two repeaters seem to work just fine connecting to the first bullet. if I were to take another bullet at the end of the property and link it to the first and then link the last two repeaters to the second bullet. That should work?
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September 10, 2014 4:51:26 AM

Work is very subjective. My normal comment on a repeater is you use it when your choice is no network or a crappy network.

A single repeater causes massive degradation in the service so I really have no idea when you chain them.

The main problem even with a single repeater is how wireless works. It is a half duplex protocol everyone transmits into the same frequencies. What they do to make this work is they listen to see if anyone else is transmitting before they transmit if they don't hear someone then can transmit. The issue with a repeater it almost guarantees the end clients can not detect each other transmitting so it increase the likelyhood they transmit over the top of each other destroying the signal. When you have multiple repeaters all sending the same data you are going to get massive data overlap.

The only way you can get this to really work is to design it as though you were going to cable it. You could use radio links from each device back to the central ubiquiti and then use a different radio on each device provide service to end users. This is the way repeaters used to be done before the mass marketers decided to sell 29.99 specials for home users. Using 2 different radios solve most the issues that a repeater causes.

depending on the exact model of tplink you might be able to load dd-wrt on the device and use say the 5g radio for backhaul and the 2.4g radio as a AP to server the users. The custom built devices from ubiquiti or engenious tend to do this function much better. You may need directional antenna on the backhaul signal to go the distance.
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