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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648 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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1answer
856 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 ...
3
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4answers
541 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 ...
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2answers
139 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 ...
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1answer
41 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
533 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 ...
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1answer
79 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 ...
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0answers
85 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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0answers
40 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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1answer
103 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 ...
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2answers
1k 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 ...
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1answer
45 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?
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2answers
140 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 ...
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votes
1answer
621 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 ...
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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 ...
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1answer
123 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 ...
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1answer
117 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 ...
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3answers
49 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
78 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 ...
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0answers
47 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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5answers
178 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
4k 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
81 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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1answer
67 views

What network/device info can be obtained from an iOS device connected to an 802.11u-enabled access point?

In order to perform some device security validations, I need canonical references to what device/hardware/network information can be obtained from an iOS device connected to an 802.11u-enabled access ...
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2answers
194 views

Radius Authentication

I will first tell you a little bit about how I am set up. I have wireless clients connecting to an ARUBA Mobility Controller using a RADIUS server for Authentication. I need to ensure I can get ...
3
votes
1answer
4k views

Configuring Cisco AIR-CAP-2602i as the only WLAN AP on the network

I apologise in advance I'm about half way through CCNA so I may be using incorrect terminology. I've been tasked with putting in a new network at work, topology as follows: Router Cisco 887VA-M-K9 | ...
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1answer
41 views

Wireless performance, normal results

Here is the setup: An IBM server machine connected to a TP-Link TL-WR1043ND (latest firmware). It is connected with a wired gigabit connection. An lenovo laptop with a centrino wireless-n 2230 and a ...
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1answer
615 views

GMail App (Android) not showing notifications behind corporate firewall

User has a Nexus 4 (running Android 4.4.2 KitKat). When an email arrives in their GMail account inbox the phone does not notify the user of the email. The user has to open the GMail app on the phone ...
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1answer
288 views

Practical Limits of Configuring WLAN SSIDs via Group Policy on Windows 7

Is there a practical limit to the number of SSIDs that can be configured on a single WLAN profile via Group Policy on Windows 7? I am thinking about hundreds of SSIDs in a single WLAN profile. ...
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0answers
171 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 ...
2
votes
1answer
917 views

Detailed statistics using Ubiquiti UniFi hardware

I'm using UniFi manager to manage 10+ sites with 3-5 hotspots per site, and I look for more detailed statistics that the one offered by UniFi manager, such as: following an user through different ...
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0answers
33 views

How does Hotspot work for its authentication?

I'd like to know how an Hotspot can understand that a user leave the Network? How can it understand that the user closed his session? Is there any solution that server can understand the user became ...
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3answers
8k views

Blocking WhatsApp and other IM traffic

In my office, I have set up a linux machine as router and provide internet connectivity to all clients. Behind this linux router I have set up a cisco wireless router, with which I have made internet ...
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0answers
126 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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1answer
1k views

Domain name works with 3G connection but not on WiFi

I'm an administrator on two different SBS 2011 servers. Both servers are running MS Exchange. They are on different physical location, different hardware, different domains both internally and ...
2
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1answer
1k views

Airport Extreme mesh over Ethernet?

I have purchased three Airport Extreme routers. I have a cable modem in one room that currently feeds into our primary router (which I want to replace with an Extreme), which feeds into a switch, ...
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0answers
219 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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0answers
251 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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1answer
32 views

wireless where to scan

I am using a wireless network scanner to analyze signal strength around my place and assign the best channel on my AP which is not overlapped with other APs. Where is the best place to scan; near the ...
2
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0answers
943 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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votes
1answer
112 views

Why Might My Office Network Have Two Routers? [closed]

I am no network admin. But I am the in-house IT guy for a small firm with, what appears to be, a fairly complex office network. The network has two routers, the first goes into the network through a ...
-2
votes
1answer
741 views

How do routers combine WAN and LAN traffic (packet data over wifi and ethernet)? [closed]

In my office, we have a leased line connection which is shared by some 20 users over wi-fi. This causes congestion on the router's end, resulting in slow speed due to high packet drops (and consequent ...
1
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1answer
636 views

Mirror network packets from WiFi to Ethernet in an ASUS Router RT N53

I have an ASUS RT N53 router, running the default firmware (Linux 2.6.22 with busybox and uclibc). I need to capture data packets from some Wi-Fi devices I have connected to that router (iPad and some ...
0
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1answer
241 views

Is it possible to restrict the connection duration per client on the router (say with OpenWRT)?

How to limit the connection duration per client per period (say, one MAC-address can connect only for 3 hours per week to the network). Where could be defined such a rule? In the firewall? So the ...
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0answers
109 views

Would a high wifi beacon rate from a neighboring network cause problems on my network?

I am using Aerohive APs on my network. Every day or two, there's an incident where one of the APs gives clients virtually no throughput. A restart restores performance to normal. Looking at the AP's ...
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2answers
116 views

Wireless Clients unable to connect to internet

Our small office network consists of 2 windows 2008 servers, and 14 workstations (8 running windows 7 and 6 running windows xp) and 1 router(wired/wireless). The main server has DHCP, DNS, Active ...
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1answer
751 views

How to make a Cisco AP1142N speak Bonjour?

I have an autonomous Cisco access point (model AP1142N) and an Apple TV that are on the same physical and logical network. Bonjour does not work across the access point — both WiFi-to-WiFi and ...
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0answers
1k 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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3answers
2k views

How to sniff all HTTP packets on a wifi network? [closed]

I need to sniff all HTTP packets that pass through my wifi network (in particular HTTP requests by my smartphone). I've tried with wireshark, but I can sniff only packets to and from my pc. What am I ...
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votes
1answer
42 views

Server between our office network and the internet, as wireless router and ssh tunnel [closed]

We have a small office network that today is behind a normal router connecting us to the internet. We have a web based system on the internet and we have some admin tools on it that we want to lock ...