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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674 views

Existing open source software for wireless mesh networking?

My goal: Build a wireless mesh network with some ALIX 2D2 (500 MHz AMD Geode LX800 x86 CPU, 256MB RAM, Atheros wireless card) Aside from working like a normal wireless mesh network users should be ...
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1answer
830 views

Is “Fing” network scanner iPhone app clean? [closed]

I need a wireless network scanner app for my iPhone and found Fing by Overlook Software (over-look.com). I can't find any references to it in reputable sources online. Given the recent reports of ...
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4answers
554 views

Long Distance Networking Options

What would be the best way to connect two freestanding farm buildings onto the same network? The total cable length would be less than 1000 feet. Cat6 is listed as having a max length of about 330', ...
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2answers
1k views

Realistic benchmarks of 802.11n / WiFi N performance?

I need to be able to connect a computer to our network with realistic speeds to the rest of the network of 30+ Mbps (as measured by something like iperf). Running a wire is not an option here, and the ...
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1answer
78 views

WiFi Hotspot Security / Payments [closed]

I'm setting up a local coffee shop network-And we need to display a terms of service / authentication screen before they can connect to internet. Internet --> PC/SERVER --> Wireless Router Then ...
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1answer
180 views

Pairing wireless routers

Apologies if there is a better site. I have DAP-1360 and another router connected to an office switch, which connect to the internet router. I would like the two wireless devices to act as access ...
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3answers
14k views

How to access internal server using public ip supplied by isp?

i am really new to network as i dont major in it. but i have been assigned this task and i cant get much of a reference form my colleagues as they also didnt handle this previously. let me describe ...
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2answers
2k views

Windows 7 Enterprise Edition Failing to Get DHCP address

All my Windows 7 Enterprise Edition 64bit laptops have now failed to get an IP address from DHCP via either a wired or wireless connection. The majority of these machines are Dell Latitude 1545 but ...
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4answers
1k views

Is there a good way to keep IPv6 multicast packets off WiFi?

I work on a product that consists of a number of headless Linux boxes that work together as a cluster. These boxes synchronize their state with each other by sending proprietary-format link-local IPv6 ...
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2answers
153 views

Affordable solution to providing clients wifi in high rises [closed]

We are trying to cover entire floors in a few high rises. Currently we are just using a few scattered Linksys routers running DD-WRT. Unfortunately that isn't robust enough. The ideal situation would ...
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3answers
380 views

using access point with IP outside normal network segment

having an issue trying to segment my network. Currently, our LAN resides on the 10.1.x.x segment, the first x varying based on qeuipment type, and the second varying on the number of the particular ...
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1answer
220 views

How to go about waterproofing a wifi antenna? [closed]

So you can purchase a pretty powerful wifi antenna for $50. To make it waterproof would cost you upwards of $500 and force you to go looking for questionable suppliers. What material can you use to ...
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2answers
105 views

DDWRT or similar as repeater in a network

I have a friend with sever connection issues due to her wireless router being on the bottom floor of her house, and the computer being a story or two away. I have several old Linksys routers lying ...
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3answers
106 views

How is this wireless mode called?

I have the following situation and I don't know how to ask google. I have a cabled LAN segment, lets say 192.168.1.X. One of the nodes there is a wifi router 192.168.1.3 that creates wireless ...
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1answer
1k views

Multicast with wifi access points

Using 2 consumer grade access points what is the behavior of when multicast packets are sent between them. Consider -> AP1 -> AP2 (Note that AP1 & AP2 are connected over the LAN ports to the ...
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1answer
204 views

Server shares dropping when on Wireless

I manage an office of about 100~ people, with an old Server 2003 R2 box which is pretty much everything - DC, File Server, DHCP server, etc. All our network shares come from this server. I also have ...
2
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1answer
476 views

Setup wifi router to allow connection only when a certificate is installed

I'm not sure if this is in scope of SF, but I'd like to setup a router so that it will only allow connections when a certain certificate is available on the client machine. The question is - is it ...
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1answer
265 views

Wifi hosts can't contact one another (but wired hosts on the same vlan can)

Our current network is vlan'd, and the wifi network is on its own separate vlan (130). To connect to the 130 vlan, you connect to the access point (a HP MSM310), which is connected to an HP Procurve ...
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0answers
818 views

Traffic shaping for gateway to stop leechers

I am new to traffic shaping, but I need a quick simple shaping. I have a free internet service on my place using wifi. All www traffic has been routed to transparent proxy. We have a 10mbps ...
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1answer
764 views

How to reach localhost on windows7 computer with a smartphone through wifi router? [closed]

How to reach localhost on windows7 computer with a smartphone through wifi router? Only through wifi, so people shouldn't access it. I'll be appreciated if you can help me
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1answer
1k views

How to setup tp-link wi-fi adsl router to use internet signal from cable modem (there is no WAN port)

I have TP-LINK TD-8901G router and it has 4 LAN ports, but there is no separated WAN port. Also, I have one CISCO 2100 cable modem. So, how I can setup tp-link to use signal from cisco modem and to ...
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2answers
3k views

What advantages does an airport extreme exactly bring?

I'm about to invest in an Airport Extreme for my company network, just as a little "boost". I have two internet lines, and I'd like to use one for all the wired network, servers and most of the ...
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2answers
81 views

Software Control internet access

I am about to install 20 airport extreme to provide wireless around the campus. The method of choice to control access is using MAC address filtering. It would be difficult however to update all the ...
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0answers
184 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+ ...
2
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1answer
1k views

Does there exist a short range wireless router, or are all 2dBi?

When I look at specs for wireless routers, then I either can't find the signal strength or it is 2dBi per antenna. I am looking for a short range (low antenna dBi) and low throughput (transmitted ...
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2answers
541 views

request.status 12031

We develop a web application for internal use at our client sites, and it relies heavily on ajax requests. We have 20+ clients nationwide, many of whom are on the same version, and most with a high ...
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2answers
411 views

Using 4 wifi channels rather than 3

I have a wifi deployment with about 60 access points, currently limited to channels 1,6, and 11. This is a college campus, and the residence halls can get quite noisy, from an rf perspective. We ...
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4answers
1k views

Advice needed: ADSL and VPN for a small company

I need advice on purchasing an ADSL modem/router for a small company. At the moment, we are using the iBurst Wireless service for internet connectivity. I have the iBurst desktop modem, which ...
3
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1answer
19k views

How does WiFi on a bus work? [closed]

We are looking to implement WiFi on some of our private buses. We are in the early step of the process and we are gathering information. How does WiFi works on a bus that is roaming around the ...
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2answers
183 views

wireless between 2 buildings

I am setting up a wireless LAN between two buildings -- one with Internet and one without. The distance between the buildings is about 900 feet. This goes across a 4 lane street and up/down a hill. ...
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2answers
947 views

8021x wireless clients auto connect prior to user login

I am using a 2008 r2 dc that also performs Radius (NPS), I also have a 2008 r2 certificate authority which is giving out certificates. The computers are getting the certificate and when a user logs ...
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1answer
279 views

Buffalo AirStation High Power N450 Gigabit Wireless Router for a machine shop?

I'm considering Buffalo AirStation High Power N450 Gigabit Wireless Router as an wifi access point only in a manufacturing machine shop 50 ft x 125 ft area. Good coverage of the area is more important ...
0
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1answer
974 views

DHCP requests from wlan client not reaching server

I have a dhcp (and dns) server running on a centos/linux pc, which is the only dhcp server on my network. I have two wireless routers - a Netgear DG834G, and a Netgear DGND3700. The DGND3700 is also ...
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2answers
243 views

Wireless Network Bandwith Control

I have a client who would like to setup public wifi in their waiting rooms. They had a solution, but invariably someone would take up so much bandwidth it would start causing issues with their VOIP. ...
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3answers
2k views

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 ...
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2answers
6k views

Jumbo frames with wireless client

I currently have the following network configuration Apple Time Capsule (Gigabit Ethernet router) 2 Windows desktop wired with Gigabit ethernet 1 MacBook Pro in wireless N mode 1 iPhone (obviously ...
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1answer
1k views

DD-WRT + TekRADIUS: Having issues getting it to work

Has anyone else gotten it to work? My setup: Router: Netgear WNR3500v2 WAN IP: y.y.y.y Radius: off Wireless Security: Security Mode: WPA2 Enterprise WPA Algorithms: AES ...
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2answers
5k views

How do I troubleshoot Mac OS X Cisco IPSec VPN not working over a Samsung Verizon 4G LTE WiFi hotspot?

I have Cisco IPSec VPN (to my employer) configured on my MacBook Air. It works perfectly when I'm at home connected through WiFi to my cable modem (through an Airport Extreme). But when I try to ...
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3answers
588 views

Is it possible to get a module to support a device that (sometimes) reports a wrong PCI ID?

I’m trying to setup a wireless NIC (TP-Link TL-WN350GD) on a Linux server (Debian Squeeze). After a cold boot, lspci -nn shows that the PCI ID for the card is 168c:ffa1. The kernel (2.6.38 from ...
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2answers
788 views

Can the 'Security type' of a wireless network prevent a connection to SQL Server 2008?

I have a dev instance of SQL Server 2008 running on a Windows 2003 virtual private server that I can access without problems from SSMS running on my laptop, connected to my wireless network at home. ...
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2answers
188 views

Safety Issues in Server Room

We work in a room with a large number of servers and are worried about the noise. It is finally well air conditioned and has two windows and we have nice desks etc... We are asking them to maybe put ...
2
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2answers
144 views

Tool to troubleshoot wireless connections

Having a lot of issues with a wireless network with multiple APs sharing the same SSID. I have a tool I use on my android phone (wifianalyzer) that is helpful, but I need a more comprehensive set of ...
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2answers
1k views

SIOCSIFFLAGS: No such file or directory

When I am starting wlan0 it shows me the following error: SIOCSIFFLAGS: No such file or directory I should install firmware, How to determine which firmware do I need? How to determine Wifi card ...
2
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1answer
706 views

maximum amount of users on ORiNOCO® AP‐700 and AP‐4000 and Cisco 1200 and 1140?

I'm doing a study on how providers can increase usage of public hotspots, and found that they are using ORiNOCO® AP‐700,AP‐4000 ,Cisco 1200 and 1140 wifi access points. What is the maximum amount of ...
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1answer
357 views

A simple QoS implementation with Cisco WRT160N

We have a Cisco WRT160N wireless router which shares internet to ~5 clients. What I want to do is to make sure that every client has equal bandwidth. The router has QoS option, but it gives priority ...
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3answers
235 views

NIC cannot connect to domain but wireless card does

My Dell laptop has a NIC and a wireless connection. I'm unable to connect to my primary Domain Controller via the NIC card. I cannot ping the primary DC, but I can ping several other servers ...
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4answers
723 views

Windows Server 2008 R2 Standard Connect to Wireless Network Before Login [closed]

I'm a developer and I've installed Windows Server 2008 R2 on a box at home. I've set up a user and can connect to my home wireless router. I'm using the box to setup some version control and ...
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3answers
399 views

Internet connection problem after new wireless network created Ubuntu 9.10

I want to share internet connection from my ubuntu box with my smartphone. The problem is when I try create new wireless network via GUI, I have problems with my internet connection. I guess that my ...
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3answers
707 views

wrt54gl reboots; troubleshooting steps?

I am using about 10 wrt54gl's in a small school. I am using a combination of stock firmware and Tomato 1.25, slowly moving towards all Tomato. We have had these devices installed for several years ...
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3answers
3k views

Can a broadcast storm develop in a loop caused by a wifi connection?

If my laptop or other computer is tied to a wired network, and it automatically joins a wifi router attached to that same network, can the two connections to the network cause a loop that starts a ...