WiFi is a layer 1 and 2 networking protocol for wireless communication between devices. It is typically used in local networks for client access, but can also be used in point-to-point network links. WPA is used to encrypt traffic.
Questions tagged [wifi]
1286 questions
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Why my laptop sends ARP request to itself?
I have just started to learn about protocols. While studying the packets in wireshark, I came across a ARP request sent by my machine to my own IP. Here is the details of the packet :
No. Time Source Destination …
user58859
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Questions about overlapping wifi access points
I have a few questions about wifi.
Say we have a small campus with a set of wifi access points in most buildings, one each for channels 1, 6, and 11. It's not exactly that clean, but that's the general idea anyway. However, these are mainly cheap…
Joel Coel
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Cannot get Motorola MC3190 to associate with WiFi access point
Using the Wireless Fusion management tools for the Symbol / Motorola MC3190, we cannot get the handheld to associate to the WiFi access point. Using the Find WLANs feature in the Fusion software, we can see that the device is detecting the access…
dmarietta
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set tap0 using virt-manager for bridged wireless
After 3 days I finally have kvm guests working on the network via wireless (link below - thanks!):
My network is 192.168.1.0/24
on the host:
sudo sh -c "echo 1 > /proc/sys/net/ipv4/ip_forward"
sudo tunctl -t tap0
sudo ip link set tap0 up
sudo ip…
DaveO
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3 answers
Load testing wireless LANs
Anyone have any suggestions for methods of load-testing wireless networks for enterprise network deployments?
We've got a wide array of different wireless worst-case scenarios to support.
rooms with either nobody or 300 people, each of whom have…
chris
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7
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9 answers
LAN Between Buildings
Right now I have two buildings across the street from one another that both have typical consumer aDSL connections (something like 12 Mbs down/1 Mbs up). When I need to access resources on the other network, I VPN into the other building and do my…
mrduclaw
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How to detect rogue WIFI routers on a network?
My client recently changed their network policy so now all WIFI routers are disallowed from the network. They said they would be running some scans and that they would be able to find "rogue" WIFI routers on the network.
How would they be able to…
Sam Schutte
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What is the reason CSMA/CD can't be used on a wireless network?
I'm new to wireless networking and wondering why the same Collision Detection mechanisms used for Ethernet can't be applied to WiFi. I think I'm starting to understand, but not sure if I've got it:
The physical characteristics of WiFi make it…
Ian Muscat
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Wireless technology - which is better: more single radio APs or less dual radio APs?
We are currently talking to vendors of wireless solutions for a wireless deployment in a university campus with some 5000 students.
One vendor is offering us a Cisco solution with a WLC 5508 controller and 69 2x2 MIMO Dual-band/Dual radio APs…
gert_78
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Small WiFi Network In a Noisy Environment
My company is demoing our network enabled products at big conferences. For this purpose, we would like to be able to set up a small WiFi network in our booth with a range of less than 10 meters. We will only be connecting the device that we are…
Sam Skuce
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WPA2 Enterprise without a Client-End Certificate
This question is practically identical to this question, but the difference being that the authentication server is freeRADIUS on Ubuntu and the access-points are DD-WRT.
Additionally, I would like to know if there is any risk to disabling TTLS…
Seanny123
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802.1x automatically validate certificate in windows clients
We're deploying a wireless networking using Windows Server 2008 NAC as a RADIUS server. When Windows XP or 7 clients connect they initally fail to connect.
In order to enable the client to connect we have to add the network manually and un-check the…
Jona
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How to achieve automatic roaming between two Cisco Aironet access points?
I have two Cisco Aironet 1141 access points covering an office; the access points are configured identically (each of them with two SIDs) and are fully working; they are standalone access points, not centrally managed ones.
When a client devices…
Massimo
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How can I set up a single wireless network through a number of WIFI routers?
I need to set up wireless access for my company headquarters. We live in a 4 story building and all 4 floors need to be covered. Currently I have 4 WIFI routers (Checkpoint SBOX, combined FW+router), each located at the middle of the respective…
V. Romanov
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Can two users on an 802.11n network with WPA/WPA2 intercept each other's traffic?
I know that WPA/WPA2 encryption is a pretty good safeguard against snooping by people outside a wireless network. But can someone in the network (i.e. who has been given the shared key) monitor/intercept the traffic (e.g. plain http browsing) of…
RexE
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