Cisco :: Intel 6205 Wireless Chip - Antenna Selection For COW
Jan 3, 2012
We are ordering new COWs (Computer On Wheels) for the hospital and they will be using an Intel 6205 Wireless Chip which is a/b/g/n 2x2. The two new floors these devices will be going on will be our first internal hospital entry into 802.11n which I force the clients to run in the 5ghz range for N. Previous to this, all of my cows are G clients and use a 2.2dbi rubber duck for 2.4ghz.
I will be using 1142 AP's, if not 3502 and no I have not performed a survey yet as the floor is still in early construction, but equipment is required to be ordered now. I can tell you that I will be surveying for a voice grade. I suppose my confusion comes from what is the best antenna (obvious open ended question) for this card, being it has two connectors for the 2x2. Again, typically I would use a 2.2 dbi rubber duck for either 2 GHz or dual band 2/5 GHz. Is dual rubber ducks at 6inch spacing (half wavelength met on 2.4 GHz fall back) suffecient or are there other factors involved with the N.
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May 17, 2012
I have a Lenovo T420 with a Intel Centrino Advanced-N 6205 wireless network card that causes me some headache. It randomly gets disconnected from my router (Zyxel P-2601HN-F1) and home network, works fine though if i using cable. Right after it gets disconnected it reconnects and works fine until it gets disconnected again. I have an HP laptop connected at the same time and no problems there.It works fine in the network in our office (work laptop). I tried our IT dept but they were clueless and told me I had to figure it out by myself, as it works in the office..
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Feb 18, 2013
I have centrino N 6205 on my new Precision M6700...
Under both win 7 x64 (preinstalled dell) and 8 x64 on another hdd, there's no chance to have wifi working: I mean it does not work as normal wifi to connect to internet and it does not work not even a hotspot to let me connect for example my smarthphone to internet using wifi and a shared cable connection.The card seems to work, since I run a live fedora 18 distro linux from dvd and the wifi was able to connect pc to internet in less than one minute...
(of course I tried dell suggested drivers from download area, last updated intel drivers from intel website, etc etc...)...The wifi seemes to be correctly recognized in the pc but I get errors when I try to connect to router (I tried more than one routers that correctly work).
My system: D3ll Precision M6700| i7-3740QM| 32Gb 1866 mhz (4x8Gb)| 17.3" FHD IPS RGBLED 1920x1080| 8X DVD| K3000M| win8 x64 on Samsung 830 256gb| WD Black 500Gb 7200 rpm| 9 cells 97W| WIFI+BT Centrino N 6205 + Dell 380| QWERTY backlighted| psu 240w| warranty 3yr next business day|
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Feb 14, 2013
I've got a Centrino Advanced-N 6205 for Desktop wireless card and I'm trying to use the Intel My WiFi hotspot feature to connect my Xbox 360 Slim. The SSID shows up in the Xbox's networking settings, but after I enter the WPA passkey it fails to connect.
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Mar 30, 2013
I just purchased a used Latitude E5420. It looked like the seller did a fresh reinstall of Windows just before selling it to me. The non-internet applications are working fine, but it's not connecting to my home wireless router. I have a Buffalo WHR G-125. I tried pretty much every type of security type, but nothing worked, so I eventually disabled security and set up MAC filtering, after which I put in the MAC address for the laptop. That still didn't solve the problem.
It does connect to my neighbor's unsecured linksys network. Both the neighbor's network and mine are 802.11g
I went to Intel's website and installed the latest drivers for the network card, but that didn't work. I'm using the latest firmware on the router already.
Here are the specs for the laptop
Win 7 Professional 64-bit
Intel Core i5 2520M @ 2.50 Ghz
16 GB RAM
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Jan 24, 2012
i want to install a 3500e. I have a hole in my wireless network where this AP will be a perfect fit. I do have a wireless controller running code 6.x, so I think I will need to upgrade to 7 which is not a big deal.
The problem I have is the antenna selection. Since the AP has MIMO multiple-inputs multiple-inputs I’m perplexed on the type of antenna to choose. Since the environment is a warehouse the Omni directional would be preferred - should I also add the dipole antenna for close proximity to the AP. Also, I noticed in the getting started guide the 3500e has 6 external connection points 3 for 2.4 and 3 for 5 GHz. The antenna documentation says to use dual-band antennas, but this contradicts what is shown in the getting started guide. So what antennas should I get to make the 3500e work in a warehouse environment.
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Feb 3, 2013
We have a campus with both office and industial areas with various propagation problems. Historically I have been installing and maintaining access points in the 1200 range, the latest being the 1242. All these have a similar antenna setup based on diversity pairs.Since Cisco seems to be dropping the old series any week now I have been looking at the 2602 as a replacement.I can find no good documentation on antenna selection and mounting suggestions for these.If I want a proper omni coverage pattern with dual band antennas, do I just set them to a H form assuming the unit is sitting on a wall?
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Feb 6, 2012
the best antenna to use in high-ceiling environments, as in 25 feet or higher. He was in favor of using a high gain, omni, such as a the AIR-ANT1728. I was against this form of antenna due to their increased horizontal radiation and decrease of vertical. I was more in favor of an antenna similar to AIR-ANT24 30V-R. I've seen successful deployments with both options, but curious what the community has to say on the matter.
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Sep 7, 2011
I don't like the wifi installed in my laptops.I am thinking about switching them to intel 6300 and maybe one in bigfoot 1102 or 1103. My home router beeing 3x3 compatible I should see improvement.
Anyway I am wondering if it works easily or if I have to install some antennas inside which would be a big mess.
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Jun 5, 2012
I've just noticed an error I've never seen before in our switch logs. We have a stack of 6 Cat3750G-48TS-E switches. The first two in the stack have been up for just over a year and I've only just noticed this error. Thus far, I haven't noticed any symptoms - I just stumbled upon this error while checking for something else.
As far as I can tell, this has only popped up once and it was 2 days ago. Unfortunately, due to an incorrect firewall rule, our syslogs were not getting to our syslog server so I don't have any historical logs to check against, but it hasn't happened since.
The error I've seen is as follows:-
Jun 5 17:04:03.288: * ManagementInterfaceInitialized exception in port-asic 0 (N16FujitsuSwitch.com.au-2)
Jun 5 17:04:03.288: ***********************************************************
[Code].....
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Sep 17, 2012
I know now that this is a Desktop motherboard, officially not supported for Windows Server operating systems, but I would still like to get it to work. I've confirmed that the motherboard network works in WinXP (Intel 82579V Gigabit) and typically the 32-bit Windows XP drivers work on Server 2003 as well. Several of the other drivers have installed just fine, but the network driver install package fails with "No Intel Adapters are present."
I am trying to install Windows Home Server v1 (based on Windows Server 2003) on this box and just want to get a basic network driver up and running. I've checked the BIOS config, and Device Manager shows a yellow question mark by "Ethernet Controller". The ID is:
PCIVEN_8086&DEV_1503&SUBSYS_20408086&REV_043&11583659&0&C8 but I don't really know what to do with that...
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Jun 3, 2013
We have a deployment with six 1524SB mesh APs. Two are used as RAPs and face east and west respectively with directional antennas and two MAPs on each side with omni antennas. The RAPs are within 20 feet of each other. I set the bridge group name as east or west depending on which side of the mesh the equipment is located but noticed the downlink channel is set to 56 on both RAPs. I don't remember setting the channel for the RAPs, but they aren't using the global DCA.Would best practice be to change the downlink to unique channels on the RAPs, enable DCA (if it will let me), or is a unique bridge group name sufficient enough?
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Mar 12, 2013
We have a number of 1552e's deployed as RAP / MAPs, using a 5508 WLC. All those are working fine.I have a few requirements for an outdoor access point... not a RAP or MAP, but just a simple outdoor AP. I assume that if I use a 1552e for that requirement, I would place the mode in local, rather than in bridge mode, correct ? Also, a question on mac filtering. When setting up the mac filter, there is a drop down selection for "interface name". The radios seem to work fine with "none" selected, so I'm confused about what exactly that selection is doing. Is it simply a reference lable, or does it actually have a purpose?
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Apr 18, 2012
I have a RealTek 8187 USB wireless adapter on my desktop computer that has an associated utility that allows me to manually select which of several competing WAP's to connect to. But that is good only for that particular adapter. My laptop has a different make of adapter that does not have this capability and many of my friends and neighbors lack the capability also. I have a situation where when I turn on my desktop, it automatically connects to a certain WAP, presumably because it has the strongest signal. However, at certain times of the day, traffic or other unknown interference blocks internet access for varying periods of time. I can usually go to my RealTek utility and switch connections to another WAP that has somewhat less signal strength (for example from Channel 1 to Channel 9 -- all within the same Wi-Fi network). Almost always I can restore internet access by doing this.is there generic software available that allows manually selecting WAP channels regardless of the particular brand of wireless adapter being used. Or is there some setting in either Windows XP or Windows 7 that would allow selectively choosing to connect to one channel of a network rather than another even if the signal strength is less.
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Feb 11, 2011
My wireless adapter sees all the networks within range but I am not able to see them listed under windows network connection and there cannot connect even to my own network.
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Apr 18, 2010
I am working with a WRT320N for some weeks now, but I don't get the fact that 40Mhz channel width is only allowed for Automatic channel selection.I keep losing connection and the channel keeps changing.I want an option to change the channel manually (like in every good WLAN router!!), also with N data rate (40Mhz channel width).I know how to select the best channel, so why aren't I able to change it the way I like it?
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Feb 26, 2013
I use ACS 5.3.0.40.8 with TACACS+ servicing Device AAA and RADIUS servicing the Cisco Wireless environment for AD user access. How can I implement 802.1x with the current RADIUS implementation with hindering current wireless users or am I hindered due to the EAP-GTC in use with PEAP via RADIUS?
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Apr 1, 2012
This problem is on a Cisco E1200 (FW: 1.0.03) and using a browser to modify the routers settings.I'm connected to the router from a wired connection, and I'm trying to turn off the encryption, and just have the router have the setting "disabled" as the selection for "Wireless Security".
However, it seems when I do this, the moment I press "Save" the router gets disconnected from my computer (the wired connection) and the only way to get reconnected is to run the Cisco Connect software from the computer that's hard wired to the router.
Once I get back to that screen in the routers settings, and try it again, the same thing happens.If I change anything else under the routers settings, the connection stays connected, but only when I change the wireless security settings to disabled I see this problem.
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Oct 8, 2011
I'm trying to register my new linksys e2000-ew wireless router but it doesn't show up in the selection pull down menu. When I try the e2500 it says my serial# isn't correct.
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Sep 7, 2011
I have a router with 2 WAN (MPLS) connections to two different IPSs.One connection is a 3mbs MLPPP connection and the other is a 10mbs MetroEthernet connection.Both use BGP to peer up with the ISP with private AS numbers (65001, 65002, etc)I want the router to always prefer (use) the BGP connection through the 10mbs link, but here are my considerations:I can't change the prefix length for the peers. In other words, BGP 65001 is going to advertise 192.168.21.0 /24 to its peer, and BGP 65002 is going to advertise the same network with the same mask.What is the best way to make sure the 10mbs link is always preferred? Can I do local preference?
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Apr 26, 2013
I have sub-interfaces created on the switch and are in active(up/up) state,but these sub-interface not available for selection in the instance window while creating the poller, and am not able to monitor the traffic on these sub interface in the performance management.
LMS will not display the interfaces in the instance selection window if they are not active, but here the sub-interface are in active state but these are not available.
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Jul 4, 2011
I am designing a new NAT configuration for an ASA 8.4
On my PIX 8.0 configuration I needed to allow bidirectional traffic between interfaces with different security levels. For example, Inside at 100 and dmz at 50.To accomplish this in 8.0 I used a static NAT command along with any necessary ACLs.
I now need to apply this same 8.0 config for 8.4. With the static command not availablein 8.4 I am unsure of which NAT commands to use to achieve the bidirectional traffic.
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Jul 29, 2010
I need to update from older Cisco 350 Aironet 802.11a/b Wireless CardBus Adapters to Cisco cb21ag Aironet 802.11a/b/g Wireless CardBus Adapters in rugged tablet pc's. I need these without the antenna cap present to utilize the tablets antenna sytem. They are pictured on the Cisco website but Cisco partners I've contacted have been unable to assist me in purchasing them.
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Dec 10, 2012
I have a AIR-LAP1242G-A-K9. I have several question:
1. Does the antenna is a MUST for it to work.
2. If I have a 1 unit of AIR-ANT2422DG-R (antenna) , does the wireless access still work? Do I need 2 antenna
3. If I have a 1 unit of AIR-ANT2422DG-R, does 802.11 b supported.
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Mar 2, 2012
I connected an external 12dBi omni-directional antenna for Networks 2.4 Ghz (TL-ANT2412D) with LMR-400 cable 5M but my antenna "emits" nothing, I have no signal. With the two supplied antennas with WAP200 I signal but does not cover any desired area.
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Sep 20, 2012
I multi homed to dual ISPs using a single 6509e. Currently, I am only receiving a default from wash ISP and marking one with a higher local pref. most of my traffic flow is inbound, so this config meets my need. The issue I have: if either ISP has has an outage upstream from my directly connected peer, my router does not detect that and continues to send traffic out thru that provider only to be black holed. My 6509 will only support 256k routes, so full route tables isn't an option. I could receive partials from each ISP. Is there any other method to detecting this upstream ISP issue and then adjusting my local pref on my default to use the alternate provider path?
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Mar 4, 2013
I multi homed to dual ISPs using a single 6509e. Currently, I am only receiving a default from wash ISP and marking one with a higher local pref. most of my traffic flow is inbound, so this config meets my need. The issue I have: if either ISP has has an outage upstream from my directly connected peer, my router does not detect that and continues to send traffic out thru that provider only to be black holed. My 6509 will only support 256k routes, so full route tables isn't an option. I could receive partials from each ISP. Is there any other method to detecting this upstream ISP issue and then adjusting my local pref on my default to use the alternate provider path?
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Jun 11, 2012
We purchased an ASA 5505 (ASA5505-BUN-K9) and more recently purchased the license to upgrade it from 10 to 50 users (L-ASA5505-10-50). I would like to provide remote access to users via AnyConnect - specifically, AnyConnnect on Windows plus the iPhone/iPad and Android versions. My understanding is that I should purchase the Anyconnect Essentials (L-ASA-AC-E-5505) and Anyconnect Mobile (L-ASA-AC-M-5505) licenses. Is this correct? If I do this, how many simultaneous remote access VPN connections (via Anyconnect clients) will the ASA then support?
Further, we did not initially purchase Smartnet with this device, but I would like to do so to gain access to software updates. Is there a site or document where I can locate the SKU #'s for Smartnet contracts that would be appropriate with our device?
The output of "show version" is below:
Cisco Adaptive Security Appliance Software Version 8.3(1)
Device Manager Version 6.3(1)
Compiled on Thu 04-Mar-10 16:56 by builders
System image file is "disk0:/asa831-k8.bin"
Config file at boot was "startup-config"
[code]....
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Feb 21, 2011
We are going to purchase a Device , thte sites and also VPN server for remote access ( EzVPN), Should we use ASA or should we use Cisco 1800 series router with security software. The main purpose of this device is to terminate all VPN connections ( Site-to-site) and remote access.
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May 4, 2011
Our company is in the process of replacing our old firewall with a Cisco ASA since our old firewall can handle only 170 concurrent users and we are expanding fast. Can I know what are the considerations when selecting from the different models of ASA currently we are debating if we should buy a 5510 or a 5520 also can I know if cisco ASA also have a limitations on concurrent users online in a lan like our old firewall. By the way we are a Call Center company(going 500 seats) so we are using VOIP(Asterisk using SIP and IAX).
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Dec 29, 2012
I have just installed a Intel Pro wireless card into a HP Compaq nc6120 laptop, downloaded the basic drivers from HP's website but I get "no networks found in range".I've followed this thread: [SOLVED] Laptop Can't Find Wireless NetworkThe laptop was previously using a Sweex USB plugin adaptor and this had been working fine for years. I just fancied getting an internal card for this laptop - but cant seem to get it so work.
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Jan 18, 2011
I've been trying to setup a wireless ad hoc network so I can connect to the internet using my iPod Touch. My wireless adapter is Intel(R) PRO/Wireless 3945ABG Network Connection running the most up-to-date driver.
- Set it so Windows configures my wireless network settings
- Created a wireless ad hoc in Wireless Network Connection Properties
- Changed it so that network access is given to ad hoc networks only
- For my LAN connection under Internet Connection Sharing, "Allow other network users to connect through this computer's internet connection" is ticked I am able to connect to the network that I setup but when I try to connect to the internet it fails.When I check the Wi-Fi Networks setting on my iPod Touch it gives this information:
IP Address: 169.254.1.158.228
Subnet Mask: 255.255.0.0
Router: (blank)
DNS: (blank)
Search Domains: (blank)
Client ID: (blank)
I checked and that IP isn't my IP?
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Jun 13, 2011
my Intel wireless card keeps losing the connection. Until a couple of weeks ago it would be fine for roughly the first 20 minutes then the connection would just completely drop out and the only way to get it back again is to go into the network and sharing centre, disable the network card and then reenable it. Most of the time this works, but again for only the first 20-30 minutes, then I have to do it again. Occasionally it works for for longer but that's a rare occasion.Now not only does it do this, but also, if I put my laptop into sleep, sometimes when I turn it back on again the card will not connect to the network and I have to do the same disable and enable process.[ODE]
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