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.

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557 views

Wireless router country codes: what issues can these actually cause?

Running the network diagnostics tool on my Mac, I get a messaging about "Conflicting Country Codes" stating that: "A nearby wireless router has been detected which is identifying itself as ...
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167 views

Portable wifi set up with 100s of connections

I'm making a system that can connect all the smart phones in an audience to my server. It's for a fun open-source project that can create animations and interactive games. More info on my G+ ...
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1k views

network policy + WPA enterprise (tkip) Windows 2008 R2

hi I've attempted the following guide and in a bit of a pickle. http://techblog.mirabito.net.au/?p=87 My main goal is to have a username / password based wireless authentication with active directory ...
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13 views

MAC Layer Retransmissions during the same TXOP

Back in the day I was messing around with MadWifi and, if I remember properly, after a packet was transmitted if the sender did not receive an ACK in SIFS time after the completion of the ...
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53 views

How can I limit total quota using squid without authentication for per user

I am having Raspberry Pi running Raspbian, I have configured it as a wifi hotspot using hostapd and dhcpd, I have configured transparent squid proxy server on it. Now all traffic goes through my proxy ...
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20 views

How can I get QoS over a WDS bridge on Cisco WAP551

I have two Cisco WAP551 devices bridging two physical locations wirelessly across the street from each other (200 feet, line-of-sight through a window). This is replacing a much, much older wireless ...
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29 views

Improbably high bitrate in the output of “iw wlan0 link”

I am trying to determine the bitrate of a wireless connection that uses the nl80211 driver on a Linux 2.6.39 machine. I am actually using a Netlink socket internally, but the effect is the same as ...
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58 views

Cisco 5508 - One WLAN not pulling from Windows DHCP

We have an existing Cisco 5508 doing all our WLAN/WAP functions. Windows 2008R2 DHCP server. There are currently 4 WLAN's, functioning properly. We are running out of addresses on our corporate ...
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111 views

Android device cant access a website

The company i work for is having a weird problem. They have a website. You can access their website from any device, anywhere, easily. But when we are in the office, android device that are on ...
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75 views

Guest wireless. HP to Cisco VLANs

I'm having trouble getting guest Internet access working. I have HP V-M200 WAPs and a Cisco RV042G for internet and a HP 1910 switch in the middle. I created a second Wireless Community/SSID on the ...
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626 views

Losing connection to SQL Server on the same machine?

I've installed our SQL Server driven software on a client's computer. This consists of SQL Server 2008 R2 Express, and using ADO/SQLOLEDB drivers on a brand new Windows 8 64bit machine. The problem ...
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950 views

hostapd, rtl8192se and wpa not working: EAPOL-Key Timeout

Ubuntu 12.04.2, 3.2.0-49-generic, x64 hostapd from saucy (hostapd_1.0-3ubuntu2_amd64) Have tried from precise-updates as well to no avail. You can see in the debug output below, hostapd sends the ...
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135 views

How do get multicast to work on a Cisco AP1240?

I have a Cisco AP1142N in standalone mode acting as a simple AP. On the wired segment of the LAN, there is an Apple TV that is used to mirror laptop screens to a large TV screen. As long as clients ...
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83 views

Wireless Bridging two Sonicwall Firewalls

We have two sites (essentially two small buildings side by side but we are unable to run CAT5 cable between them) which are currently linked via a wireless bridge. We will be splitting the sites so ...
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155 views

Mystery WIFI connection interruption

The issue is that Windows users disconnected from WIFI network every 2~10 minutes, Mac users are less frequent but still get kicked off 1 or 2 times a day. We don't have such issue with any wired ...
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2k views

Windows 8 wifi problems with certain WAPs?

There seems to be a problem with Windows 8 wifi drivers working with specific WAPs. I have a Windows 8 ultrabook that works famously on my wifi network at home. When I take it to work (yeah we're ...
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243 views

Load Balancing Ethernet LAN & WIFI on linux?

I have configured two internet connection to my Linux box, first Ethernet LAN with range 192.168.2.1 & WIFI with range 192.168.1.1 this both connection are connected to 2 different internet ...
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81 views

Put files on deployed PC's HDD during SCCM2012 OSD

We are deploying Windows 7 using an OSD in SCCM 2012 SP1. We are doing this wirelessly. One of the things we are struggling on is automatically connecting to the Wireless. A solution is to use NETSH ...
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321 views

KVM USB Passthrough and Zydas usb wireless adapter: device or resource busy

i'm tring to setup a kernel testing virtualmachine for a 80211 module. i start my machine with this command: kvm -m 512 -net nic -net vde -usb -usbdevice host:0ace:1215 ktesting.img i set up a ...
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172 views

Setting up VPN with wired and wireless connection

I have a VPN working for the wired connection but it doesn't seem to work for the wireless connection. I'm trying to get a VPN set up with both a wired and wireless connection. So to do so, after ...
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29 views

In connecting to an access point, Win and Mac are ok but linux not

We have a wireless network which has WPA enterprise security. Its authentication is by Protected EAP and inner authentication is on MSCHAPv2. All devices with a wireless interface can connect to this ...
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613 views

Server 2008 R2 NPS with Cisco 5500 WLC and Wireless Authentication

We are currently trying to move away from some outdated ACS appliances we have. A little background on the NPS server -- it is currently set up and being used for RADIUS authentication for our Cisco ...
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1k views

Single Sign On 802.1x Wireless - saying “Connecting to <SSID>”, hangs for 10 seconds, fails with “Unable to connect to <SSID>, Logging on…”.

We are implementing WiFi on Windows 7 machines in our corporate environment. Machines should be able to log into the domain by WiFi as the Machine (Pre-Logon), and as the User (Post-Logon). We have ...
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116 views

AP Clients not pingable from outside

Here's a rough scheme of my network: - http://i.stack.imgur.com/zrlJJ.png The network is divided into VLANs. The linksys device is connected to a VLAN20 access port. Clients 4, 3, 2 ping the rest of ...
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541 views

Connecting to PPPoE server through wireless switch

I have the following set up: D-Link DSR-250N Wireless N Gigabit VPN Router (all machines connected to LAN ports, including server) Server (CentOS 5) -eth0: connected to LAN port on router ...
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129 views

Given IP address, but can only ping sometimes

I have a debian server that acts as a wifi router and DHCP and FTP server. I want to connect to this server using a Canon Wireless File Transmitter. I can connect and receive an IP address. I can ...
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140 views

Wireless router not allocating correct IP addresses

I have a WAG320N wireless router setup as a DHCP relay to my Windows 2003 R2 Enterprise server. The IP of the router is 137.248.21.1 The IP of the server is 137.248.21.10 The scope for the server is ...
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212 views

Alternative Local or Cloud Controlled Wireless networks

I'm looking for advice on how to implement our office Wifi network. If possible we'd like to have cloud managed tools and also minimize costs. Desired Features Mainly we want to be able to easily ...
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404 views

Time Capsule giving high ping times for wireless

We've just set up an Apple Time Capsule for our network, and while things run fine in wired mode, with wireless mode ping time fluctuates wildly from 0.5 to 400ms: Ping from a Macbook Pro to ...
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200 views

How can I simulate 802.11 with WEP encryption on a wire or within a single system?

How can I simulate 802.11 with WEP encryption on a wire or within a single system? Thanks, Chenz
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235 views

Auto switching between wired and wireless connections

How about this situation. Our business deals a lot with medical information. And some of our clients have demands based off HIPPA, etc. There is one now where they do not want an employee to have both ...
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214 views

Wireless cuts out after 10 - 15 machines connect

I am suffering a bit of a problem where if we have more than 15 machines connecting to the access point it will connect, but the ping will be in the thousands and drop connection and cut all wireless ...
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913 views

HP Officejet 4500 G510n-z Not Showing up in Remote Desktop (Terminal Services)

I installed this printer on a windows XP machine. First using the wireless option, and later using USB. In both cases when I connect to my other computer (also Windows XP) via terminal services and ...
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18 views

Easiest way to find specific AP by MAC address

I have been blessed with the task of finding an AP which has lost the connection from the wireless controller, but is still powered on, has the config from the controller and is broadcasting the SSID. ...
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24 views

Low WLAN throughput despite claimed fast connection

I have so following setup and suffering from low throughput and high latency and I have no clue why thats the case: Server (192.168.2.2) <--> AP (192.168.2.1) <--> Laptop (192.168.2.12) The ...
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23 views

I need to enable wifi access through terminal in OS X

I am clearing out an old Mac Lab to recycle the Imacs throughout the organisation. I think my predecessor issued a terminal command to disable wifi access and none will allow the wifi to be active for ...
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72 views

Unable to communicate with web proxy server on iOS

I am following the instructions on how to use a HTTP proxy with an iPhone, however I appear unable to communicate with the HTTP proxy. I have configured the settings in my phone correctly to use the ...
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0answers
10 views

Can AMPDU have different ACK policy MPDUs?

Can an Aggregated packet have different ack policy MPDUs like Normal ACK or Block ACK etc. IEEE802.11 specification defines that MPDUs must have same RA address, same TID, same EOSP and same TXOP ...
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30 views

Wireless card fails every three days

I have a user with a brand new Lenovo x240 running windows 7 pro with Eset Endpoint Antivirus and IP Vanish VPN. The user moves between three different work sites on a daily basis, each with it's own ...
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137 views

Unable to connect Zentyal 3.2 to WiFi network

I've just installed Zentyal 3.2 as 3.4 wouldn't work with a USB keyboard, and it's all installed fine. However I'm trying to connect my server's wlan0 to my WiFi network so that my laptop can connect ...
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0answers
77 views

Access switch on the LAN from a WLAN connection Sonicwall TZ205

I have a setup like the following Modem >>> Sonicwall TZ205 >>>> Linksys 8 port smart POE switch >>>> Linksys LRT224 When I am on the LAN through a wired connection ...
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128 views

If I enable bandwidth control on my wifi router can I handle more connections reliably?

I have a small router (TP-Link TL-WR841N) bandwidth is 300 Mbps. With default settings it cannot handle more than 10 connections without choking and kicking people out. Theoretically, however, it can ...
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137 views

Cisco WAP321 Access Point Locking Up Daily

We have a Cisco WAP321 Small Business Access Point (WAP321-A-K9 V01 Non Clustered) that has about 15-20 users (Phones and Tablets). The device has been randomly locking up every day to the point ...
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0answers
226 views

Is there any way by which I can capture the wifi probe requests without using monitor mode?

For some reason, keeping the wifi interface in monitor mode on my machine is crashing it(its a raspberry pi, I'm assuming its crashing because of the amount of traffic being intercepted, but lets not ...
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0answers
46 views

muliple ssid's on same interface

I am working on centos6. I have 1 wifi interface. Can I create a virtual interface and create an adhoc network with it (my 'real' wifi interface is already connected to another ssid). This is what I ...
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113 views

WLAN:Deauth: [MAC] STA reason code=2

I use WIFI temperature loggers which are working just fine. However, at one WLAN Access Point they can't connect and get error messages. Here's what I believe to be relevant information from the ...
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115 views

Laptop using DHCP lease from another network

We have a laptop with intermittent wifi connectivity problems. Rebooting often helps. Today while digging around I noticed that its DHCP IP address and gateway are not addresses on our subnet. The ...
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45 views

wifi router bridged mode buffer size

I got burst of packets transmitted on a wifi router (Ubiquiti Picostation 5) in bridged mode. The burst is 200 UDP packets 1kB each transmitted in approx. 40ms which gave me approx. 5MB/s ~ 40 Mbps ...
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182 views

Tcpdump stops capturing wifi data while running in the background

I have a problem capturing wifi data using tcpdump while running in the background. OK, lets get some facts: my wifi-device is named wlan0 wlan0 is in monitor mode (that's what I want) I'm using ...
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257 views

hostapd dynamically show/hide ssid

Im trying to have simple connection saturation algorithm for a bunch of nodes running hostapd. On having max_num_sta connection, I want hostapd to move into hidden ssid mode (ignore_broadcast_ssid = ...