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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1answer
40 views

Which interference is the lesser evil when setting up wifi

The situation When I was looking into improving my wireless connection I found that it may help to change the channel. Example circumstances I have narrowed my options down to two, but am not sure ...
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1answer
106 views

Different throughput Ethernet-Wireless Wireless-Ethernet

I've built an open source implementation of RFC2544 to test IPv4 network devices. One of the first devices I tested is a wireless router D-Link 2640B. In order to measure its performance I use a ...
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0answers
26 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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0answers
57 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 ...
1
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1answer
204 views

Setting up NPS with a certificate that is valid to both AD and non-AD machines

I'm trying to setup an AD server running the NPS service so that both AD and non-AD machines see the certificate as valid when authenticating to the wireless network. I picked up a cert from GoDaddy ...
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0answers
31 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 ...
0
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1answer
1k views

Configure FreeRADIUS with Active Driectory allow specific group of users to authenticate

In order to authenticate WiFi clients I use a FreeRADIUS server configured to check for user credentials in an Active Directory environment. Currently all users with a valid account are authenticated ...
0
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1answer
157 views

Port Mirroring to Mac Thunderbolt Ethernet [closed]

I have a switch with port mirroring enabled. So one port is the source port, and the other is the mirror port. In the source port, I have a wifi router plugged in. The mirror port is connected to ...
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0answers
473 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
18 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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2answers
433 views

Wireless adapter driver failure after Windows 8 update

Yesterday we deployed some of the latest Windows 8 and 8.1 updates to our users. One of them did loose network connectivity after the update. It turned out that their wireless adapter's driver was ...
1
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1answer
76 views

HTML served from localhost is being modified by ISP [closed]

I took my laptop to a local restaurant yesterday to do some work setting up a new web app. I get the server in place, and created a simple HTML page: <html> <body>Hello, ...
2
votes
3answers
346 views

Is there any point securing a “guest” wifi network with WPA?

We have a guest wifi network setup on a separate VLAN, using an open connection (e.g. NO wpa/wep). A (semi-technical) customer recently complained that he wasn't happy about his traffic not being ...
2
votes
1answer
695 views

WiFi deauthentication issue

I would like to find a root of the WiFi issue we've got in our working environment. Few words about WiFi infrastructure We are using now Apple solution. Three brand-new access points from Apple ...
0
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0answers
38 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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0answers
267 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 ...
0
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0answers
146 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 ...
3
votes
2answers
584 views

Ensure drive is mapped at login on laptop with strictly wireless

So, $software runs on a 'server' (windows client w/ file sharing to share out the db folder), and laptop client has the drive mapped and $software also installed. This is the vendor's recommended ...
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0answers
334 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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0answers
236 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 ...
0
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2answers
149 views

How to get stable WIFI connection between phone and router when thousands of irrelevant phones are around?

I want to use Android phones to check tickets at the gate of an event. These phones are connected to a password protected router (WPA2) and a PC to validate. That all works nicely in a test setting, ...
0
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1answer
55 views

Theoretical Wi-Fi decay

Is there a way to (theoretically at least) calculate the decay on bandwith of a Wifi related to the streght signal? For example, I know that I can theoretically expect 54Mbps of a 802.11g at 100%, ...
1
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1answer
166 views

Switch to switch encryption over a wireless bridge (TrustSec?)

I am planning to connect an existing Cisco 3750 switch to a 3560C switch over a wireless PTP bridge. The bridge will be WPA2 protected, but I am looking for an additional measure of security between ...
1
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1answer
24 views

Access domain A while authenticated against domain B [closed]

In my school, there are 2 domains; A (primary) and B (secondary). A contains the resources required by staff and students. Connecting to the wireless network requires authentication with an account ...
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votes
1answer
5k views

Does adding ?.jpg after url really bypasses wifi security? And how? [closed]

So I stumbled upon the following lifehack the other day: I currently don't have access to an airport with expensive WiFi but it seems that adding ?.jpg to any url doesn't cause any problems with ...
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5answers
3k views

Static ip using a router and DHCP [closed]

I have been trying to understand and achieve assigning a static IP address to my machine, while being connected to a router (WiFi) and using DHCP. My scenario is thus simple, but I think I missing ...
0
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0answers
273 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 ...
0
votes
1answer
732 views

Fortinet Fortigate software switch configured IP not accessible

I'm trying to get a software switch configuration working on a Fortigate 100D. It appears like devices plugged into the software switch ports can communicate between each-other, but they cannot reach ...
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votes
1answer
1k views

Wireless router URL redirection [closed]

I'm trying to "filter" explicit URLs (+18/21) from network traffic and redirect to another website. I have physical access to router inside my home, computer and router local web-access, which let's ...
4
votes
4answers
637 views

One second delay before tcpdump returns packets

Using Ubuntu, I'm trying to sync tcpdump sniffing with self-identifying "pings" from a client device. The problem is that getting precise starts and stops is made difficult by what looks like a ...
0
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2answers
182 views

Access Domain over Wireless

I have an active directory server and all hard wired clients connect perfectly fine. However any wireless clients do not recognize that they are connected to the domain, despite the dns server being ...
-1
votes
1answer
42 views

Reduce unwanted “connect to network” attempts with wireless password [closed]

My university recently added a 5-digit (WEP) network password to their wireless network. (This is in addition to a login page that requires university credentials.) I emailed them, and they said the ...
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1answer
743 views

Easiest routing solution for a typical firewall with WiFi routers setup - WAN-2-hops-away network

Suppose a local network connected to the internet via a single firewall router. Devices that connect directly (= using only layer 2 devices) to that router are: hosts WiFi routers providing the ...
0
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1answer
93 views

Wifi repeater 3com 7760

I have a problem with a wifi repeater that I am configuring (3Com Wireless 7760) Here some pictures of my installation of the device: https://imgur.com/a/v9uiF According to the manual of the ...
0
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0answers
93 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 ...
1
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0answers
42 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 ...
0
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1answer
106 views

USB hub or wirless router for synchronizing up to 50 tablets in charging cart

We are building a cart to secure and charge up to 50 Nexus 7 tablets. The tablets need to synchronize databases nightly. Range will not be an issue as the tablets will all be within about 5' of the ...
1
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2answers
2k views

Which Layer of the OSI model is responsible for encryption in WLANS?

Since WEP and WPA/WPA2 encrypt the payload of 802.11 MAC frames and we know that MAC goes under the Data Link Layer (Layer 2), can we also assume that encryption occurs in Layer 2 as well? At least ...
0
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1answer
46 views

Two different SSID's on the same chanel. Is it safe?

If I have multiple network, that have their SSID's on the same channel, can I go into monitor mode(of the wifi interface) and capture packets of the other SSID?
1
vote
2answers
158 views

Restrict access to service to WiFi users

I would like to restrict access to a cloud service based on the network where the requests are coming from. I have control over both the network, and the cloud service receiving requests from within ...
3
votes
1answer
763 views

How does an Access Point handle broadcast packets from the wired side?

I have an Cisco AP 1242AG autonomous AP connected to L2 switches. Let's say I have 100 wired devices each sending 2 broadcast UDP packets per second. Obviously these packets will reach the Access ...
0
votes
1answer
57 views

Connect Multiple Networks Wirelessly [closed]

I have a home network using a router to connect computers both wirelessly and with network cables. I also have another separate network about 10m away from my home network that is networked via ...
0
votes
1answer
136 views

software based captive portal for wide area [closed]

I'm trying to organise some wide wifi network imagine a small town with several wifi points when user is connected to a wifi point, device is redirected to captive-portal(cp) website where they must ...
0
votes
1answer
123 views

Vlan between Pfsense and Proxim hotspots

We want to plugin some hotspots to an existing network. Because we will account the hotspot traffic, it is important to route all traffic from the hotspots to the hotspot router. I tried to do the ...
0
votes
3answers
50 views

s/m business wifi access [closed]

At the moment my company is aiming to split offices. We are in a business park and remaining in the same building, this is only temporary, but several of us are moving into a smaller office about ...
2
votes
1answer
87 views

How to configure an Extreme Networks Altitude 451 for stand-alone AP use?

I have an Extreme Networks Altitude 451 (15801) wireless N access point. It is usually set up and managed using a controller unit, but I am hoping it is possible to configure one of these to work ...
1
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0answers
52 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 ...
0
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5answers
187 views

Giving an IP address outside the network to the router to safely make it a switch?

In our office, all machines use IP address 192.168.0.x with subnet mask 255.255.255.0, the network setup is as below: We only had routerA before. But since its wireless signal is too weak (much ...
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1answer
5k views

Wireless Multicast Forwarding on OpenWRT

Good day! We need to connect an STB device over wi-fi to the router. STB uses multicast only. Using udpxy is not possible. Original firmware forwards multicast over wi-fi using mac changing ...
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0answers
88 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 ...