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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Configure Cisco 851W to use 802.11g Only?

Is it possible to configure a Cisco 851W wireless router to only use 802.11g (as opposed to 802.11b)? If so, could someone tell me what configuration changes are necessary? Current wireless ...
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3answers
2k views

Configuring two wireless routers: one with internet access and one without

I look after the network for a small educational establishment, and we wish to make wireless internet access available for teaching staff but not for students. We do, however, want to allow the ...
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Ad Hoc Wireless Network Between Vista IIS and Leopard

I am trying to set up an Ad Hoc network between my PC running Vista and my Macbook running Leopard. It's not just the Ad Hoc network though. I have Visual Studio Developer Express and SQL Studio ...
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87 views

Network adapter state [Wireless]

What does a wireless network adapter "disassociated state" mean? Please help. I cannot seem to find an explanation anywhere. T
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4answers
1k views

How to modify packets on the fly

I want to setup a wireless infrastructure network wherein the access point has the ability to modify certain packets on the fly. For example, the AP should be able to modify an HTTP request from a ...
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2answers
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Accessing PC localhost from Mac over WiFi

I have a web service running on the localhost of my PC. I set up an ad hoc local wifi network and I would like to access the web service from my Mac. Can this be done? What would the url to my web ...
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4answers
3k views

Securing Guest Wireless Network

I need to setup a guest wireless network at the office for visitors to connect to. What are your recommendations in terms of how to secure it without putting too much of a support burden on myself? ...
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Issues with conflicting IPs [closed]

Suppose there is a simple infrastructure wireless network. Suppose we have figured out a way for all clients on the network to coexist with all of them having the same IP address. What could be issues ...
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4answers
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Block ARP on Router

Is it possible to somehow block ARP on a home wireless network router? Basically I don't want the access point to forward ARP packets between clients. It would also be fine if the access point ...
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7answers
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DHCP Starvation, A Trivial Solution?

I know there are a lot of solutions out there for mitigating DHCP starvation attacks. But wouldn't a really simple solution be to just set the DHCP address pool to 1.1.1.1 - 254.254.254.254 (or some ...
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4answers
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How to set up subnets for small business infrastructure

At one location we have a single server (also a DHCP server) and much less than 254 clients. Many are wired, but there are also a couple of wireless routers, which occasionally have their wired ports ...
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Master Mode on Intel 5100

Is it possible to enable wireless master mode on Intel 5100 wireless cards? They use the iwlagn driver and that does not seem to support master mode. Is there any way to change the driver or recompile ...
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3answers
430 views

Infrastructure Wireless Network Without Router

Is there any way to create an infrastructure wireless network without a router? In other words, is there some way to make a PC behave as a wireless router? Other PCs should be able to see this network ...
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113 views

Infrastructure Wireless Network Routing

Suppose there are two clients, A and B, on the same infrastructure-based wireless network with access point C. When A wants to send a packet to B, does C have to forward it to B, or can B just pick it ...
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7answers
619 views

Wireless network signal strength troubleshooting… where to start?

Here is the information displayed by the wireless router (see end of post). The problem is that my netbook does not get any signals from the router if moved more than 3 feet (yup, three feet) away ...
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4answers
576 views

Why can't my user's iPod connect to our intranet server?

I have an intranet server that is also a DNS server, that has its own IP set up as a Host (A) record with the name 'foo'. I then have a wireless router hooked up, and a laptop, and an iPod. The ...
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2answers
1k views

Tunnel into Sonicwall VPN while on Sonicwall wifi?

I am able to hit my company's VPN while I am at home using a dedicated IP with no issue. When I am at work, the VPN we use (a Sonicwall router/VPN/wifi access point), I can get outside internet fine, ...
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3answers
626 views

Recommended access point with remote management

As a bit of background, one of my primary responsibilities at my day job is wireless, but we're running about 1,000 APs, all the higher-end BlueSocket and Meru stuff with the expensive controllers. I ...
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430 views

Where can I download airchat?

I'm a penetration tester currently conducting a security test on our company's network, and have already verified most of the hosts on the network are secure. But I saw this video I heard of this type ...
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1answer
137 views

How can I secure CISCO Radius?

Cisco offers a WLAN system that allows admins to restrict WiFi access to authenticated users. However, the following statement bothers me: Use the secure https://1.1.1.1/login.html. .... ...
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2k views

Is it possible to have the D-Link DIR-628 run in wireless bridge mode?

Short of installing 3rd party software, does the D-Link DIR-628 run in bridged wireless? I'm trying to have the dlink hook up to an existing linksys wireless router to add more range/get stronger ...
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3answers
3k views

Aruba Wireless Controller 200 and AP70 manual

I have an Aruba wireless system that is currently in use but there is no documentation from the previous person in charge. I have no manuals or login information for the wireless controllers and APs. ...
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3answers
307 views

Average Clients Simultaneously Accessing a WAP?

We have two (sometimes three in that area) mobile carts of ~20 MacBooks accessing the network using Cisco Access Points, the model numbers of which I don't have handy at the moment. But we're trying ...
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Why is Internet access and Wi-Fi always so terrible at large tech conferences? [closed]

Every tech conference I've ever been to, and I've been to a lot, has had absolutely abysmal Wi-Fi and Internet access. Sometimes it's the DHCP server running out of addresses. Sometimes the backhaul ...
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2answers
158 views

How can I tell when a Mac switches access points?

I want to be able to tell when a MacBook (running OS 10.5) switches from one wireless access point to another. In the building I am in, with several wireless access points (all Airport Extremes, all ...
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1answer
117 views

router only seems to work after connecting to wired connection

We have a bunch of tablets at the office. We have a pos consumer grade router for these tablets. I'm setting all of them up and for some reason, consistently on all of them (toshiba portege and ...
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750 views

Wireless guest access with HP ProCurve 420

We have a HP ProCurve 420 wireless access point hooked up to our LAN, which then connects to the internet though a gateway router. Is it possible to set up a guest SSID, which can access the internet ...
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8answers
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PoE powered WiFi access point? [closed]

A few years ago, we made use of Apple Airport Extreme base stations mounted on the wall to provide a WiFi bridge to our LAN. This particular model makes use of 802.11af (Power-over-Ethernet, or PoE ...
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6answers
481 views

Wireless Access Points with API

I'm looking for an industrial grade (din mount, preferably weatherproof enclosure, no reboot every month like home APs, etc) Access Point / Bridge (802.11 b/g, dual radio) with APIs. The issue here ...
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3answers
173 views

What software/hardware can I use for “testing” a wireless network?

I'm setting up a wireless network with multiple access points in a large area with multiple buildings. What software/hardware can I use to test the wireless service? Basically I want a quicker and ...
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2answers
415 views

Making wi-fi available in college dorms

I'm looking into some wi-fi connectivity problems at a small college campus. One of the things I'm considering is the high concentration of microwave ovens (nearly every dorm room has one), because ...
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3answers
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Is there any open source solution for controlling multiple Access Points from a central server?

This question stems from an answer to one of my previous questions. In that answer, Oskar Duveborn says the following: Most likely there are some open source alternatives perhaps with custom ...
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3answers
107 views

Are there any WAPs out there that support fiber optic daisy chaining?

This may not even be possible, but it seems like it would be the best way to do this, so I'll ask. Basically I'm wanting to string together wireless access points with fiber. I'm already having a hard ...
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How secure are wireless networks?

If I'm on an open wireless network, can a 3rd party capture packets and see all the internet traffic to and from my computer? What if WPA encryption is used, but someone has the key already? If I use ...
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539 views

How do you connect a Nokia n810 Internet Tablet to WPA with PEAP and MSCHAPv2?

We have a wireless network that's using PEAP and MSCHAPv2 for authentication. Linux connects fine, but on a Nokia n810 Internet Tablet I get this error: No CA certificates available to validate ...
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2answers
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Best Zero-Config Powerline or 802.11 Bridge

Need to ship a device to a remote non-technical user for connecting a device that only supports an ethernet cable, and no physical port in the same room. Some of the Linksys devices (Powerline ...
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2answers
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Can I simulate concurrent wireless connections for load testing?

Our office internet typically has about 25-30 computers connected. For an upcoming event, we will have to support about 100 connections, mostly via wireless, for a few days. I'd really like to test ...
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1answer
535 views

To set up DHCP in OSX

How can you set up a DHCP for OSX such that you can access your Macbook's shared network by iPod Touch? I have enabled internet sharing in OSX settings such that you I access the sharing by iPod. ...
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13k views

Resetting Cisco Aironet 1100 to factory defaults

Can't find anything online elsewhere, bought the piece on ebay used.. It's out of warranty, Cisco won't have anything to do with telling me how. HELP!
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Using two Cisco Aironet 1100's

Is it possible to use two of these both providing connectivity to the same network name for additional signal by having one plugged into a hot data port and having the other only powered by the AC? It ...
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5answers
189 views

Wireless Router

Is it possible to connect 60 user to internet using wireless router while having 3MB ADSL Line. What the speed of internet the user will receive ? if yes which router (Model ) will support this ...
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4answers
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network slow on port 80 only

i'm trying to diagnose why our company's wifi network is running really slow. the network is wpa2 encrypted, and there hasn't been any other traffic accessing our network other than the 5 computers ...
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5answers
687 views

What hardware (antennae) to use for an outdoor wireless connection?

I would like to connect two buildings together (house/shop). They are about 400-500 feet apart. To my knowledge, this would require some pro-sumer or pro level gear to accomplish this. A directional ...
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1answer
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Enabling the Wireless Networking Feature in Hyper-V Server 2008 R2

I'm currently getting Hyper-V Server 2008 R2 working on my laptop. Things are going reasonably well, but I can't get access to the wireless network adapter (from Hyper-V itself, not a guest VM). I ...
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871 views

How can I set up a DMZ for Wireless Access?

My company uses Microsoft Windows Server 2003. Our internet connection goes through a proxy server across a WLAN to the main office. I want to set up a wireless LAN in my local network whereby ...
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1answer
213 views

simultaneous connection to two networks

I have the following setup - a smartphone tethering (broadcasting an ad-hoc wifi network) internet and a router broadcasting a (local, no-internet) network which has my server. the reason i do this ...
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1answer
606 views

802.1x authentication over wireless not wired

We have a wireless network that authenticates via 802.1x free-radius server. We have told the wireless network to authenticate accordingly and it works. However when we have a wired network we have ...
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2answers
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Beginners questions on how RADIUS and WiFi authentication works

I am a network admin at a high school in South Africa, running on a Microsoft network. We have approximately 150 PCs around the campus, of which at least 130 are wired to the network. The remaining ...
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D-link DAP-1353 n2 not giving IP address

I have a D-link DAP-1353 n2, I can connect to it fine, but I am not given an IP address. If I assign myself a static IP I can browse the network without any problems. Some other laptops are able to ...
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4answers
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TightVNC viewer doesn't show anything when I click/type

We have a wireless network where I work. I've installed TightVNC viewer on a WinXP box, and I'm using it to connect to my laptop which has Ubuntu 9.04 installed. So far, everything works right up to ...