People who code: we want your input. Take the Survey

Questions tagged [ieee-802.11]

For questions about the IEEE 802.11 series of protocols, also known as Wi-Fi. This tag should be used when asking about enterprise or corporate Wi-Fi networking questions. Questions about home wireless networks are off topic.

Filter by
Sorted by
Tagged with
1
vote
0answers
35 views

powerline network adapters between main transmission line [closed]

I have a situation where my outhouse is bit far from the home.And both have two electricity connections.Will it be possible to use a powerline adapter between the main transmission lines to share the ...
1
vote
1answer
219 views

Is it possible to route all traffic from multiple devices through one computer that is attached to a network governed by 802.11x? [closed]

I have a laptop (pc1) that is connected to a network governed by 802.11x. I want to route traffic from my other pc (pc2) through pc1 so the network will think that the traffic is from pc1 even though ...
3
votes
1answer
130 views

Why does a smartphone include its very few past SSID history lists in a probe request?

When cell phone try to connect AP, it sends probe request and it include all past SSID history in it. Strangely enough, when I run a MAC-built-in data packet sniffing program, called Wifi-...
2
votes
1answer
63 views

How does a client know when to wake up and listen to a beacon?

In wireless networking, for power efficiency the access point(AP) sends a beacon to inform the client of pending packets periodically and the client only wakes up every beacon interval (e.g. 100msec) ...
1
vote
2answers
78 views

Wifi speed 30 fold higher then actual speed coming in from ISP?

My ISP (Internet Service Provider) tells me that my Down speed is 10 Mbps (Megabits per second) and Up speed 1 Mbps. But when I'm searching for a wifi router, the average speed is 300 - 400 Mbps... Do ...
0
votes
3answers
176 views

If I double ISP speed will it double Wi-Fi speed?

I have a connection of 500Mbps. I clock speeds of 460-480Mbps when plugged in (Ethernet, Cat5e). But when I’m on Wi-Fi (even positioned above the router, 5GHz dual-channel 802.11ac) I clock speeds of ...
3
votes
1answer
58 views

Setup for proper wifi site survey

I am currently thinking about performing a wifi site survey and I wonder how a default setup should look like. Somebody suggested to use one access point and one client, then setting up the access ...
1
vote
1answer
124 views

Opinion on techinique to solve arp poisoning [closed]

I have been researching about prevention of ARP spoofing in an individual's device (smart phone or laptop) in a public network. If we save the MAC address of the default gateway at the time of ...
4
votes
1answer
15k views

TCPDump and listening to wifi traffic of others

This thread is to continue my previous one, where I was talking about the TCPDump command. There is still something I don't get. According to this website (and some others), and according to my ...
0
votes
3answers
356 views

Wifi devices 802.11n acting as legacy 802.11 devices

This question is related to Wifi devices and is of two parts. I am wondering if one buys a 802.11n conforming station, does it mean that it is able to behave as a 802.11g or 802.11a station if it ...
4
votes
3answers
224 views

Can access points recognize who passes by?

I was watching a Meraki AP presentation, and one of the features they showed was an analytic tab, which showed the number of devices that passed by, visitors, and connected to the AP, as well as many ...
3
votes
1answer
7k views

Difference between ad-hoc and wifi hotspots

Reason why I'm asking this is because I want to know why mobile phones cannot discover ad-hoc networks created by laptops or PCs?
1
vote
1answer
538 views

packet structure of IEEE 802.11 WLAN?

My apologies is this question is stupid. I am in learning phase of IEE 802.11. The figure below illustrates the single user packet structure of IEEE 802.11ac. It consists of preamble and data part ...
0
votes
1answer
383 views

Implementing pass point protocol [closed]

The pass point protocol can it be implemented on the application layer of any mobile device or does it require compatible wifi routers and access points as well.
1
vote
1answer
704 views

how can I discover device name through probe requests? [closed]

I am scripting a scapy probe request scanner using python 2.x. I can scan for probes and list the mac address, manufacturer and ssid being probed for. How can I now discover the device name for these ...
2
votes
1answer
4k views

802.11 HT Capabilities IE vs. HT Information IE

I have a Wireshark capture of an 802.11 beacon. I am looking at the "HT Capabilities" and "HT Information" sections. Both contain the following information element: "Rx Modulation and Coding Scheme: [...
1
vote
1answer
46 views

Is it possible to determine if an AP is using an 802.11 draft protocol using a sniffer?

I want to know if my AP is using 802.11ac or 802.11ac-draft. Can this be determined from information in a beacon?
-2
votes
1answer
473 views

Difference Between Wireless & Wi-Fi [closed]

I wanna know what is difference Between Wireless & Wi-Fi ? Does it same Wireless jamming and Wi-fi jamming ?
2
votes
2answers
276 views

Wifi roaming terminology

I'd like to know if the distribution system allowing roaming between access points is considered as being a part of the ESS (extended service set).
0
votes
1answer
245 views

What factors affect propagation time for wired / wifi multicast messages? [closed]

I have a newbie question on multicast delivery times. In this article on clock synchronisation they claim that the propagation time on a local network is close to zero. What is the propagation time ...
0
votes
2answers
432 views

How Wifi connection is maintained [closed]

Recently I was reading about how IPs are assigned to a new system (DHCP) and how systems communicates in LAN (ARP). But I am not able to understand how wifi actually works? What I understand is WiFi ...
10
votes
2answers
14k views

How do wifi clients detect SSIDs from APs?

How can my wifi board detect wireless networks that are in range? What protocol is used to communicate with the devices in the area to announce a wifi AP? Does every router transmit on its own ...
2
votes
1answer
581 views

Which WiFi MAC addresses do signal boosters use?

Context: I understand the first two MAC addresses in a WiFi setting are for source (UE) and destination (AP) with the third address used to signify the layer-3 next-hop. The fourth address may be ...
2
votes
1answer
113 views

How do wi-fi spots display their name?

How do wireless hotspots, routers etc. go about displaying their name to devices in their range? For example, when you open your laptops network center and see named wireless connections: linksys-xxx, ...
1
vote
2answers
311 views

On-site WIFI Feasibility Study

Can anyone suggest a protocol or testing procedure for evaluating WiFi traffic/interference on-site? This isn't something I regularly do so I am hoping that this will not require the purchase of ...
13
votes
2answers
2k views

Simulating a poor network [closed]

I'd like to set up a poor wifi network in my office for developers to test on. What is the best way to simulate real world crappy wifi? High latency? Dropped packets? low bandwidth?
1
vote
3answers
842 views

How to keep office LAN private from public WLAN [closed]

I handle the network at a small business; it's not my primary job but one that I am in charge of. My boss owns a house next to the office that he uses as a general meeting area and as a guest house ...
5
votes
1answer
521 views

Wireless antenna polarization

I am testing a new 5GHz 6db patch antenna with an 80 degree spread in the horizontal direction and a 30 degree spread in the vertical direction. The antenna has a marking with 'top' on it. My ...
11
votes
1answer
21k views

WLC - How to disable 2.4Ghz

Is there any way I can disable the 2.4Ghz and just leave 5.0Ghz channel enabled on a per WLAN (SSID) basis? Or the only way is to disable the AP's radio and leave 5Ghz enabled?
2
votes
1answer
377 views

IPAD Roaming on HP APs

Was just wondering if anyone has any insight into this. I have an issue with IPADs roaming when connected to a specific SSID in a large campus network design. The APs are managed via a WLC from HP. I ...
8
votes
5answers
522 views

Is it feasible to install two enterprise WIFI access points without training?

Have a background in computer software, but do not have any formal training in networking and hardware. We got a quote from a local IT company that is more than we are able to pay. They want $900 ...
7
votes
1answer
2k views

AP's at remote faciltiy will not join local controller

I currently have a WLC 4404 running 7.0.240.0. Management Interface IP is 10.128.55.10. AP-management interface is 10.128.55.15. Remote facility (facility A) has a VLAN created for wireless (455) ...
5
votes
1answer
6k views

How to disable 802.11b wireless clients on my WLAN?

Most wireless vendors recommend that unless there is a need to support them, 802.11b should be disabled on the network. How should I go about disabling 802.11b on my network?
13
votes
4answers
2k views

Is a wireless only network (for end users) a viable option?

We are constructing a new building, and our CIO is pushing for a solution where he doesn't have to spend the money on copper runs to all the user stations and wants to use wireless only for this ...
6
votes
2answers
3k views

Does Windows support PEAPv1/EAP-GTC?

We are running a wireless infrastructure using PEAPv1/EAP-GTC. Our Windows machines can't seem to connect to wireless access points, what is happening?
4
votes
1answer
757 views

configuring IBSS WLANs

I have searched through wireless books and the web which consistently define what IBSS (ad-hoc, peer-to-peer) is, but have found no examples on how to actually implement one. I'd guess that the steps ...
2
votes
2answers
164 views

where to find the complete 802.11i spec

I am studying for the CWSP and want to get an exact cost to an attacker attempting a brute-force attack on a WPA2-Personal WLAN. The textbook goes as far to say that WPA2-Personal is "vulnerable to ...

1
4 5 6 7
8