Things that have gone wrong in a Wireless Network

T

tUrbZ

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Hello everyone,

I need a list of things that go wrong in Wireless Networks in a business or home environment so that I can propose some guidelines on how to avoid such dilemmas. It's for my research that I am doing at University.

So please :) start telling me what you guys know or have experienced!

Paul
 
No password
Unsecure password
Bad encryption
No MAC based blocklists
Oversubscription of Spectrum
Electromagnetic interference
Oversubscription of bandwidth per channel
Bad antenna placement

Off the top of my head
 
We run a Wireless P2P network around the Western Cape and are constantly having issues with Interference on busy Hi-Sites eg. Tygerberg Hill. Also have alot of FTP errors with file transfer between sites...
 
My iPad keeps getting kicked off the WiFi network at home. Have to go into the WiFi settings, re-select the network, and renew the lease every 15-20minutes that I'm browsing.

Apparently it's not the iPad, it's a problem with the WiFi router.
 
power failures - try to have PoE where possible as your switch and server stuff should be on UPS!
Not enough addresses available on the AP itself
Interference from devices (microwaves)
packet sniffers

Psywolf pretty much covered it
 
OGroteKoning said:
NEVER put the router on your head!! :D
Click to expand...

Actually on that note,never touch routers while trying to diagnose issues with signal/connectivity,the human body acts as an awesome antenna which may skew results :D
 
PsyWulf said:
Actually on that note,never touch routers while trying to diagnose issues with signal/connectivity,the human body acts as an awesome antenna which may skew results :D
Click to expand...

What do you think is cheaper - a proper antenna or a minimum wage labourer??? :p
 
At my flat in Durban I lose WiFi connectivity every time someone uses the microwave!
 
phaktza said:
At my flat in Durban I lose WiFi connectivity every time someone uses the microwave!
Click to expand...

Microwaves generate very nice spikes in the 2.4 GHz band, but you shouldn't lose connectivity. How old is your microwave? I hope it's not leaking dangerous amounts of power.
 
Slightly off tack here but also might be a plan to have guidelines on how to avoid problems caused by malicious third parties.
With wireless you also have a huge security risk.
It is a broadcast so anyone can pick up your signal and pull information off if they have the encryption details.
Rogue AP's could cause a huge problem in business or home hijacking signal and causing man in the middle attacks.
Using "easy" encryption can also cause issues although this has been said before.
Issues also experienced are incompatibilities between different wireless manufactures (eg WDS) and easy of setup of client and support of OS to support encryption and authentication ( eg LEAP).
 
thanks for the replies :) keep them coming..

I'm looking for any and all problems related to wireless
 
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