For questions about wireless networking, including any licensed or unlicensed RF medium used to provide point-to-point or point-to-multipoint network links.
5
votes
1answer
45 views
Cisco WLC Mobility Group between 7.0.x and 7.5.x
Our customer has two Cisco WiSM(1) blades running code 7.0.x and wants to migrate to Cisco 5508 controller which have code version 7.5.x
The WiSM(1) blades are EoL and they aren't able to run newer ...
0
votes
0answers
17 views
How Wireless Network Watcher works? [on hold]
I want to make an application similar to Wireless Network Watcher in C# but I don't know how it is actually working. It gives my the list of all other computers that are connected to the same WiFi ...
2
votes
3answers
77 views
Is router with high penetrate power WIFI really useful?
I always has this question in my mind.
For example, FM Radio Station and Radio player, strong signal from Radio Station could help, because Station --> player is one direction only communication. ...
-2
votes
0answers
48 views
How to know if a wireless router is capable to set local wireless file sharing [on hold]
I want to buy a wireless ADSL modem router which also has the ability to set a wireless network between computers in office. Generally How could I know if it supports that? Which part of attributes ...
-1
votes
0answers
58 views
MANET attack espically Blackhole attack
I'm implementing MANET attack specifically blackhole attack in ns2 on ubuntu.I run the simulation for normal n/w without attack and its working.But,i want to implement blackhole attack on ns2 and i ...
-1
votes
1answer
45 views
Hardware config for private wireless network [closed]
I need some help with a wireless network configuration. I have a Windows laptop running IIS with video files on it. It's connected to a Netgear 6200 wireless router. There is no internet connection, ...
0
votes
2answers
118 views
What information does a router have about a computer? [closed]
like ip address, mac address, OS,...
I can't really seem to find a clear list on Google so I was wondering if anyone had any information about that.
Also, is there a way to prevent the router & ...
5
votes
1answer
86 views
Cisco wireless: APs with and without CleanAir
We have a Cisco 5508 wireless controller, Cisco Prime NCS, and the Cisco MSE. Our company needs three SSIDs, and each SSID must have a different Vlan. We have a mixture of Cisco 1242 and Cisco 3602i ...
3
votes
1answer
62 views
Wifi dropping randomly on Cisco AP-1602
I have a single Cisco AP-1602 broadcasting 3 SSIDs in a small office. Some of my team are complaining about random drops in network connectivity. (Over 3 days, I've had 3 different users complain ...
2
votes
1answer
113 views
Wireless coverage for 55 apartment complex
Hello a relative of mine is the administrator at a three story 55 small apartment complex. The residents stay there only during summer and they decided to setup a central internet connections for all ...
8
votes
1answer
95 views
Why does a Cisco AP keep its static IP when erasing NVRAM?
When I erase the nvram on a Cisco AP (1252 and 1262), the static IP assigned to interface BVI1 is not erased. When I do a show startup-config it says there is no startup config. But it always boots ...
1
vote
1answer
44 views
How to configure D-link Acces point to translate IP to desire network? [closed]
most of the office computers are connected to the net using wire or UTP cable, this net uses the range of IP from 10.30.11.1 to 10.30.11.99 , users can print and scan , scanned documents are copyed to ...
5
votes
2answers
98 views
Does a wireless access point has a role between two wireless devices?
When I send packets to another computer (both computers have wi-fi) is the AP required to communicate or can the other machine receive the information directly from my computer without the AP?
4
votes
2answers
99 views
How are multiple SSID's handled on same access point?
In case of multiple SSID's on some AP, how is the information forwarded?
I mean, the simplest AP's have just one wireless interface so its basically receiving trough one antenna and send it trough ...
1
vote
3answers
121 views
What OSI layer do Access Points operate on?
I am studying for CCNA. In my book I read that wireless access points belong to OSI layer 2. I did some research and I found that is correct. This raised lots of questions in my head so I hope I don't ...
2
votes
0answers
77 views
CISCO Wireless roaming: best practices
We are deploying a Cisco wireless network with a Cisco WLC 2504 controller and 2602 AP's.
Can you tell about your recommendation to deploy good L2 wireless roaming? What about such features as 802.11k ...
6
votes
1answer
132 views
Staging Many Lightweight Cisco AP's for Deployment
My organization is soon going to be deploying approximately 600 new Cisco 2602i access points in a CAPWAP deployment with several 5508 controllers.
This is an infrastructure refresh; currently we ...
-1
votes
1answer
107 views
Use Wifi over Wired(Disabled Internet Connection) and allow Remote Desktop Connection [closed]
I have This Two Computers, a Laptop and a Pc. The laptop has a better and powerful specs, the problem is the screen was broken and keyboard is not functioning very well but no performance issue. I use ...
0
votes
2answers
109 views
How to keep office LAN private from public WLAN
I handle the network at a small business; it's not my primary job but one that I am in charge of. My boss owns a house next to the office that he uses as a general meeting area and as a guest house ...
-1
votes
1answer
33 views
one client makes packet loss to others [closed]
I have a D-Link 2640 modem in my room in an indoor area. When my friends connects to modem via wireless, I got a huge packet loss while pinging 192.168.1.1, and when he disconnects, everything works ...
3
votes
2answers
131 views
CISCO WLC: use LAG or not?
Could you advise from your own experience is it good practise to use LAG (Link Aggregation) on CISCO wireless lan controllers on not?
Benefits (as for me): redundancy and a little bit simplification ...
4
votes
1answer
69 views
Wireless antenna polarization
I am testing a new 5GHz 6db patch antenna with an 80 degree spread in the horizontal direction and a 30 degree spread in the vertical direction. The antenna has a marking with 'top' on it.
My ...
12
votes
2answers
144 views
Identifying a Cisco access point post-install
We have about 50 Cisco 1242 access-points and we're managing them with a Cisco 4404 Wireless Lan controller. The guy who installed the APs did not assign a location to the access points in the ...
17
votes
1answer
239 views
All WiFi clients losing connectivity at the same time
In order to provide WiFi coverage for a small office area, a Cisco autonomous single-band 1041 (AIR-AP1041N-E-K9) is used, running software version 12.4.25d-JA1. The access point is having a basic ...
6
votes
0answers
76 views
Spontaneous TCP Packet Re-transmissions on Cellular Data Connection [closed]
While monitoring a socket with Wireshark on a Verizon cellular data connection, I've noticed that sometimes the socket endpoint will receive TCP re-transmissions that I haven't sent.
I've been ...
14
votes
3answers
187 views
Can a probe request be answered on a different channel?
I am monitoring the 802.11 traffic in my network, and especially the active probing from my smartphone. I am sending Probe Requests for certain hidden SSIDs, but also an Undirected Probe Request, ...
7
votes
2answers
189 views
Simulating a poor network
I'd like to set up a poor wifi network in my office for developers to test on. What is the best way to simulate real world crappy wifi? High latency? Dropped packets? low bandwidth?
8
votes
1answer
156 views
WLC - How to disable 2.4Ghz
Is there any way I can disable the 2.4Ghz and just leave 5.0Ghz channel enabled on a per WLAN (SSID) basis? Or the only way is to disable the AP's radio and leave 5Ghz enabled?
10
votes
2answers
250 views
LAP ignores DHCP Option 43 and uses CAPWAP UDP broadcasts
I am trying to redeploy Cisco 1242 LAPs on new Cat4507R+E switches, which means the IP address of the WLC is changing for that LAP. For some reason, I have to configure ip helper-addresses on my LWAP ...
3
votes
1answer
71 views
IPAD Roaming on HP APs
Was just wondering if anyone has any insight into this. I have an issue with IPADs roaming when connected to a specific SSID in a large campus network design. The APs are managed via a WLC from HP. I ...
2
votes
2answers
143 views
Wireless Access Point and Proxy Server Setup
I was tasked to put up a network for a new department with about 7 users using wired and wireless connection. Our Main network has DHCP and PROXY Server using Windows Server 2003.
Here's my simple ...
4
votes
4answers
221 views
How risky is a personal-use-only wireless subnet inside the corporate subnet?
My company's security policy with respect to wireless routers is to not use them at all -- everyone's wired in. Devices for personal use, such as laptops or cell phones, have to use their phone's data ...
6
votes
3answers
197 views
Is there a way to recognize the location where a client connects to the network?
So yes, I'm pretty new to networking and I hope this isn't a stupid question. I couldn't find an answer on google nor could I find something here (but I'm also sure about the terminology), so I ...
0
votes
0answers
37 views
Hidding connection of tethered device [duplicate]
When tethering a wi-fi internet connection from a mobile phone to another device, how can I hide this device from the router so it's not possible to find out that the connection is being shared?
3
votes
3answers
140 views
How can I deploy multiple APs in the same office without a centralized WLC?
In a small office with 5-10 WAPs, do you create distinct SSIDs for each WAP, or do you name each one the same?
Recently I have been deploying multiple WAPs configured with the same SSID and ...
6
votes
2answers
142 views
Is 802.11k a security risk?
I'm looking at enabling 802.11k on my Cisco WLC. I see that it is a per-WLAN feature and that leads me to wonder if there might be any reason to not enable it? Specifically, does anyone know if there ...
4
votes
3answers
268 views
What would cause really sporadic packet loss, when signal strength is fine
I have a router connected to a modem. My intention is to connect to this router from an office that's about 200 feet away and through 2 walls.
The router signal is not strong enough to get to the ...
4
votes
1answer
107 views
How do I create an SSL CSR via CLI for Cisco Prime?
I'm trying to create a csr for a cisco prime server.
I managed to create a csr and put it in the "defaultRepo", which is local on the disk. After what I've read I need to create a certificate repo ...
-1
votes
2answers
163 views
How to route multicast in a wireless ad-hoc network? [closed]
I am trying to route several Linux computers in wireless ad-hoc multicast:
computer C1 (192.168.1.3)
computer C2 (192.168.1.5)
computer C3 (192.168.1.6)
On computer C1, using Iperf, I am sending ...
7
votes
1answer
91 views
Which address should I use to receive a UDP wireless multicast with iperf?
On computer 1 (192.168.1.3):
I made a route to be sure that my communication pass through my wireless card
sudo route add -net 239.0.0.0 netmask 255.255.255.0 dev wlan2
I launch iperf with the ...
8
votes
1answer
202 views
Using RADIUS to restrict SSID on Cisco Aironet
I would like to use my RADIUS server to restrict access to configured SSID on a per user basis.
According to the documentation linked above i add the following attribute to a test user:
ospite-5vh ...
7
votes
2answers
97 views
Which address should I choose to send a multicast message on an wireles ad-hoc meshed network?
I am trying to implement a wireless multicast ad-hoc network, but I don't know how it works.
I think I have to send my packets to a specific 224.0.0.* address, but I don't which one choose.
My ...
-1
votes
2answers
73 views
Adding a wired device in an existing wireless network [closed]
Please give me advice or comments regarding the following situation:
I have a home office network consisting of a desktop computer, network printer, and a nas. One wireless router is installed at ...
7
votes
2answers
134 views
A user on 802.1x-protected wireless reports slow or stalled ssh connections
We have recently setup 802.1x wireless at our London location. A user is reporting that an ssh copy between the wireless subnet and our server subnet results in consistently-slowing and eventually ...
7
votes
3answers
135 views
Why does my UDP Broadcast wireless communication is capped at 1MBs?
I am trying to implement Network Coding over a meshed network. Therefore I need to send packets to several destinations, this is way I am using Broadcast packets. But I can not understand why this is ...
6
votes
2answers
282 views
VM on a client connected to a Cisco 1262 unable to DHCP (but IPv6 works fine)
I recently replaced wireless at a site from the internal AP on an 877-WM with a (standalone) 1262 running 15.2(2)JB. I've configured the AP pretty much the same as I always do for Cisco AP's for ...
4
votes
3answers
157 views
Where to properly put the DHCP server?
In a network that's being designed to provide wireless and wired access in a library, where there will be more or less 50 users at the same time...
Where would be better to handle the DHCP requests? ...
-1
votes
1answer
73 views
Secure communication to external host [closed]
I work for a big company.
For some reasons we want to install a special kind of Wifi-Router in a test environment which has to communicate to an external host outside the company over port 9032.
...
7
votes
2answers
211 views
Stopping Cisco Prime/NCS from resizing maps
I've been having problems with Cisco Prime 1.3 (and other versions) re-sizing maps once you've put them into the map view. This happens for buildings and floors alike. On the cisco documentation it ...
5
votes
2answers
223 views
converting AP from CAPWAP to autonomous - BVI1 interface gets reverted back to DHCP
Has anyone ever gotten this message in the middle of converting a CAPWAP access point from CAPWAP to autonomous?
*Mar 1 00:47:59.399: %CAPWAP-3-STATIC_TO_DHCP_IP: Could not discover WLC using static ...
