Cisco Wireless :: WLC 5508 / Large Warehouse - Decision About 802.11n Or 802.11g?
May 2, 2011
I have to set up a new wireless infrastructure on a large warehouse. I have a 5508 with 15 APs 802.11b/g so far.A new area of the warehouse (indoor) is ready to be used with new wifi devices and I want to isolated the legacy operation from the new one, because new wifi clients are very sensitive. So I have a few question:
- Can I use my existing WLC (5508)?.
- What is a good 802.11n AP model for this environment?.
- What antennas to use with 802.11n APs?
- Is there any restriction on the WLC I should keep in mind?
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Sep 26, 2010
Currently have access points located throughout our warehouse that use the AIR ANT5160V-R antenna's from Cisco. These AP's are 25' in the air. However we have a lot of voice quality issues off of the 5Ghz band, we do no other services on this band as we keep data on the 2.4Ghz.This was all installed by a vendor but from what I am seeing on the documentation [URL] the cover is extremely poor for these antennas despite AP's everywhere. They cover side to side but aren't a well rounded AP at all.it seems like the AIR-ANT5145V-R would be better suited even though this is a warehouse.
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Dec 23, 2012
We'd like to work with Motorola MC3190 a/b/g handheld scanners in our warehouse so we need WiFi connectivity there. The warehouse has concrete walls and is divided into two parts - loading bay 18m x 42m (59ft x 138ft) and main warehouse building 44m x 42m (144ft x 138ft). The loading bay is just a simple hangar with gates mostly open, temperature could be very low there, down to -20C, the right thing would be to install an external AP there but still I want to get along with the signal from the inside.
Some very basic site survey with the Cisco 1242AG ap shows that there is -70db signal at the loading bay from warehouse AP. What do you think about mounting the antenna at the loading bay and connect it to the AP inside the warehouse? The actual ceiling height is 8m (26ft) but the steel beams are 6m (20ft) from the floor and that will be the mounting height of the AP's. (I think it's rather high though). Storage racks are made of metal and are up to 7m (23ft) high. Stored materials are mostly different types of fiberglass cabling, polyethylene, steel cabling, steel wires, metal barrels.
The environment is very dynamic and it's rather hard to predict the actual RF situation so I'm trying to determine the worst case scenario. So I'd like to use 2504 wireless controller with five 3502e AP's with ANT-2422DW dipole antennas mounted at the ceiling beams in the warehouse at 6m height. My thought was to set scanners to work in b/g band (there will be several laptops there too). There is a little diagram attached below.Still think it's too high, and doubt about the antennas. Are there better choices for such a setup? Maybe with wall mounted antennas?
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Aug 29, 2012
I am doing a predictive survey for a very large mixed environment facility.I have advised this customer that it would be best to have a professional site survey done and he understands but has requested I do a preliminary predictive survey and recommendation. This will have both open area manufacturing and also warehouse type areas with 18ft racks and cages, The actual ceiling height is approx. 30 ft. but the building steel I-Beams are at 18 ft and would be the mounting height of the AP. I already have several installs in other buildings with the exact same structure and setup using 1242 AP and AIR-ANT2465P-R and AIR-ANT5170P-R patch antennas mounted to a board, pointing down and at 18ft.
My question is: I would like to use either the 3500E or 3600E AP with diversity patch antennas (3600E & air-ant2566 for example) but see that Cisco also recommends the 2dbi stubby Omni dipoles in this type environment. I'd just like to get some opinions and thoughts on AP and antennas.
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Apr 11, 2013
deploying a large wireless network (about 14 access points) spread across 9 buildings that are in relative close proximity to each other. I have included a picture with a rough scale (it's editable, so feel free to play around with it). Anyways, here is the basic idea. I do basic IT consulting for small businesses and some friends of mine work for an apartment complex in my local area. They came to me with this idea of deploying a wireless network on the campus to provide their tenants with "free" basic wireless internet. Basic meaning, not intended to be a replacement for a private connection. But suitable for basic web browsing, school work (I live in a university town), and email. So I got to scratching my head and quickly realized that I need to dome some learning and refresh on my skills.
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Dec 17, 2012
I am trying to set up a network that is over a larger area than I am use to. I have experience setting up wired networks for small and medium sized businesses, as well as setting up multiple access points to cover a larger area. My goal is to set up a work site trailer to provide wireless coverage for a farmer's field. The largest distance I am dealing with is a half a mile. Depending on the field the direction the signal ranges from 90 to 180 degrees. My problem is my lack of experience with the hardware to accomplish this. I am trying to figure out what is the easiest cheapest and most reliable way to accomplish this. Currently my plan is to use a Cisco WAP4410N access point and hooking it up to multiple high gain unidirectional antennas. Is there a reliable website out there to accomplish this without wasting money on trial and error? I don't like starting a project before can this be accomplished? What should I be looking for in an antenna? How many degrees offset should they be? What kind of wire should I be running from the antenna to the access point?
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Dec 21, 2012
I have to transfer upto 50G of data over a Netgear 300 Mbps N300 router between too laptops both connected wirlessly to the same router. However, I get only 200 - 300 kbps when I transfer data? I get a faster speed when I download files off the web.
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Oct 7, 2012
I have an interesting job where i am having to fit a wifi network through a large property. I was advised to use the Cisco 2504 WLC and 9 x Cisco AIR-AP1142N access points.I know that out of the box the AP's (in standalone versions) have the GUI enabled. Not being completley up with CLI etc, is the WLC GUI enabled straight out of the box? if not, is it complicated to get it up and running?
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Oct 6, 2012
For my network the way it is setup is one building has the 2 main servers.simple wireless router and a few laptop that connect to it. a Wii and some other devices, all of them share media etc with no issue. Internet is not a problem either.One of the servers has a PCI wireless card and connects to another network.(network2)network 2 is able to share and play all the media off the service lets say 80% of the time.It also has a different internet provider and internet connection is not a problem but the wireless signal strength is low , (2 bars) or -55 to -82 it seams to jump around at.If you try to stream or play too much media it freezes on you. or if 2 devices on network 2 try to play something it freezes as well sometimes though when the signal is good -55 ish there is no issues.There is alot of wireless traffic in the area, i cant change that.and dont really want to buy a ranger extender or something $20 is what I have for parts if anything. If I were to put a 2nd wireless card in server 2 or Server 1 even. Also both the wireless router on network 2 and the pci card on server 2 are physically as close as hey can get.
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Feb 20, 2013
I am trying to brainstorm some ideas for the best wireless set up in a house that is 2 stories and 8500 SQ Feet. The house is wired with ethernet jacks.
Option 1. ASUS RT-N66U and Hawking Hi-Gain HWREN1
Option 2. Two Apple Airport Extreme's at either end of the house.
Option 3. Asus RT-N66U and Linksys WRT54G (DD-WRT Firmware).
What about the placement of the equipment? Should there be one router/access point on each floor or just two at either end of the house.
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Jun 13, 2012
I have to upgrade our Wireless LAN Controller modules inside 2811 routers.I downloaded files from Cisco site, verified MD5 hashes and hoped it will be pretty easy.the problem is, that WLC is only capable of code upgrade via TFTP and that the image size is ~80MBTFTP transfer hangs at approximately 64MB at the exact same packet number[CODE]
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Dec 28, 2011
I've got a home network running on a Linksys WRT150-N router. The network consists of 2 desktops running Windows XP SP3, and a laptop running Windows 7. I am able to transfer various files without a problem between and among all machines, EXCEPT when those files are beyond a certain size (less than 1 MB or so transfers fine). Most of my photos are in the 2 MB - 3 MB range, so I have to run around like an idiot with a thumb drive to transfer them.
Is there anything I can adjust on my router or for my network settings that will allow me to share larger files?
Additional Details The error message I get is different for Windows 7 or XP. On the remote XP machine, it says "Cannot copy filename: Access is denied. Make sure the disk is not full or write-protected, and that the file is not currently in use." Obviously, none of those conditions is true.
More random symptoms:
It seems that the problem is limited to JPG files, and appears to be affecting only the vast repository where I keep all my photos. I've got all my photos stored in a main directory, then in sub-directories by Year, then by Date. e.g. PHOTOS 2011 2011_12_25
Moreover, this problem does NOT appear to have much to do with file size. Some large files will copy, while others will not.
It's very random. Some sub-folders are filled with readable pictures, while others are unreadable. But this follows no discernible pattern based on file date -- and they were all taken with the same camera. Smaller files seem to always be readable, even when larger ones in the same directory are.
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Sep 15, 2010
we just deployed a cisco wireless solution with WLC4404-100, WCS, and a bunch of 1130AP and I experience some problem with file copy under windows xp. The file copy is working fine with my Ethernet connection however.The symptom is as follow. I cannot copy large file from a share to the computer. The copy starts then after a while (let's say 30MB copy over a 100MB file) it stops with the error 'File copy error: The network name is no longer available'. When this occurs, I still have my wireless card connected and I can ping my computer from the controller.I tried to adjust some radio settings (channel, power on the AP I'm connected to) because we have a large wireless network here, but no success. I also update the wireless card driver, create a new SSID, etc. No success at all. However the copy went fine for small file size.
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May 8, 2011
E3000 can see only 1TB Maximum. I have a 3TB WD storage and E3000. I have upgraded also to latest E3000 firmware version.
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May 7, 2011
I'm setting up a large rambler house with a large footprint, and the only broadband connections are at opposing points of the house. Right now, I'm using two Linksys WRT54GS routers running Tomato in a WDS setup. A router, positioned in the middle point of the house, acts as a wireless access point so that the computer on the far end of the house can pickup the wireless signal. (One WRT54GS on its own doesn't have the power to go all the way across the house.)
I would like simplify things with a single, hi-power, hi-speed router at one end of the house. I know I can get better speeds with Draft N routers, but I need more signal strength as well. Are there any products currently available that can perform much better than my WRT54GS routers right now?
I need to go about 125 feet, through a number of walls.
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May 26, 2013
We are having issue with all our Cicso wireless devices (AIR-AP1142N-N-K9) when connected to Windows 8 Pro users. When copying large files, the connection changes to limited access. The initial connection to the access points is also slow for both windows 7 and windows 8 pcs.
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May 21, 2012
I am upgrading a large number of 1142 access points with 3500's does and one know if the back plate for the 1142's can be reused for the 3500's.
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Aug 9, 2012
I got a refurbished EA4500 (directly from Cisco) last week. I have been having a few issues, which I have found (not too great) workarounds for. However, the latest issue has me stumped, and is unacceptable.Whenever I am transferring files between 2 computers, I get kind of OK speed (5 MB/s). However, while this transfer happens, no other device can connect to the net. Actually, even trying to go to router home page (192.168.1.1) times out.The clients still say they are connected to the router, but I just can't get anywhere.As soon as the file transfer finishes, everything goes back to normal.EA4500 replaced a WRT54G. Never had any problems with that router. It was such a workhorse. Just needed to upgrade to a n-router.I am on the latest non-cloud firmware.I have reduced the MTU size to 1200. Not sure that matters.
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Mar 28, 2012
My WRT610N media server is not serving up large, MKV files (>1GB). I have a 500 GB Maxtor connected with external power.The media server serves smaller files just fine (although they are not MKV files). The disk is formatted as NTFS. I can access the large, MKV files via mapping network drive, so I know they are present on the disk and they are intact; but they media server does not show them.
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Nov 20, 2012
we are currently using a modem router LINKSYS WAG120N Wireless-N ADSL Router but are not satisfied. lots of dead zones and I think that there are too many users for this AP. last count gave around 20 users. so I'm looking for a solution to be able to handle 20+ concurrent connections and with large coverage - 600 m² .
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Sep 18, 2011
On the main floor I have a Linksys E3000, hooked up to my ADSL modem along with laptop #1 which has all my video and photos on Picasa. Laptop is on 5ghz, running speed at 300. I'm running the E3000 in dual mode (running 2.4ghz and 5ghz at the same time.) I have 2 different network names mjames5gz and mjames24gz.
In my basement, I have a laptop running on 5ghz and an IP camera running 2.4 ghz. the signal in the basement is on the low side for both. Under Wireless network connection, I am getting around 100 on Speed vs.300 on the laptop.... The basement is fully finished so I can't run cables to the basement easily. What could I buy so I can stream videos from laptop to laptop on 5ghz. Would also be nice to have the 2.4ghz signal boosted as well
When I go upstairs, both laptop read 300 ghz and I can stream between them just fine.
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Aug 27, 2011
I've rolled back my E4200 router to the old firmware 1.0.0.1, then set up a media server.It generally works (e.g. it streams pre-existing media files to other devices). I can copy to this external drive small (say, < 1 MB) files. The drive has enough free space. However, I cannot copy to this external drive large (e.g. 700 MB) files.
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May 3, 2011
My setup is as follows:
Linksys E2500 as DHCP client, all default network settings (MTU auto configured to 1500), connected to:
ZTE 831 II ADSL2+ modem in bridged mode
The issue is that whenever any large file is downloaded over HTTP, the download stops after about 4 minutes and never resumes. This results in:
1) HTTP downloads of anything > ~80 MB failing; tried using several browsers and CURL, all with the same results
2) iOS downloads in iTunes timing out
3) YouTube videos stalling every few minutes
Interestingly, Netflix streaming works OK. Perhaps that's because the protocol for Netflix is not a single large download but a bunch of smaller ones, but that's conjecture.
This all occurs over both wireless and wired connections to the E2500.
If I connect my Mac directly to the ZTE modem, I don't have the problem.
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Apr 7, 2012
I recently upgraded my internet speed service from my ISP (Brighthouse). They installed a gateway to replace their old modem, but I have had it bridged so it should act as a modem. Speedtest.net shows downloads on the order of 40-50 Mbps and uploads around 5 Mbps. If I try doing something interactively that pushes the speed and size of files (like flying over Google earth using my mouse to guide the direction and speed) my connection seems to hang. I have to reset the router (unpower and repower it) to get my internet connection to work. This has also happened when I quickly downloaded a series of large images - I click to get the next page fairly soon after the current page has finished downloaded. My router is a WRT350N.
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Feb 16, 2013
Region : Hongkong
Model : TL-WDR4900
Hardware Version : V1
Firmware Version : 3.14.0 Build 130206 Rel.34701n
ISP : PCCW Netvigator
I have bought tp-link wdr-4900 for several days and encounter the following problems
1) nfs is not work, whenever I set up the nfs server (using hanewin nfs server), the media player fails to read the media file. (Problem does not appear for the previous ASUS n56u)
2) When there is large traffic rate (e.g. BitTorrent), the whole machine is very unstable, LAN and Wireless dies (SSID disappears, and LAN appears "ERR Connection" and "DNS not respond"), give me a feeling that the router cannot handle high traffic rate and the whole machine slows down and fails.
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Jan 13, 2011
I've got a lot of these messages in my logs from SVC users:Code:
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Dec 8, 2010
We are working on taking a port off of a switch and connecting it to a mux (TAC 900). Port is trunked to another switch in another geographic location. From wht I am being told from the engineer who handles the transmission end of things he said once our segment is physically connected the mux will crash. He supplied the error code to the vendor and they said it is crashing because of a jumbo packet in excess of 1536 bytes. Soon it will be a moot point as the hardware will be, upgraded but we need tis running NOW.
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Jun 4, 2011
I was uploading a big 2gb file to my FTP server, it was all going good and I managed to upload the whole thing hassle free. After I finish I log out, and return about 3 hours later and try to log back in, to no avail.WinSCP gives me the following error:
[code]....
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May 20, 2011
Why does DSL CKT gets bounced with delivery of large packet?
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Jan 16, 2013
Im trying to rebuilt my parents home network. This is the general layout of what Im trying to go for when everyting is said and done.
modem---router1----switch1----router2---switch2
l l l l l l l l l l l l-direct-tv box
l l l l l l l l l l l-blu-ray player
l l l l l l l l l l-xbox 360
l l l l l l l l l
[code]....
and i dont know what switch 2 is yet because my dad ordered it and it has come it yet, all i know is its a linksys Now the big problem I keep having is keeping everything up and running for more than a day. Ive already configured router 2 to a staic ip address of 192.168.1.151 and disabled DHSP server thing which cleared up some of the inital issues I was having. But I continue to be plagued with issues of computers saying there are duplicate names on the network and the internet only working on some devices most of the time and the internet going out completely after a day or two. Now when the internet only goes out for some devices its usually limited to everything thats not hooked directly into router 1.but everything hooked directly into router 1 still has internetand the basic hard restart of everything does nothing to solve the problem. The only real way Ive been able to solve things on a large scale for a short time frame is to unhook everything and setup reouter 1 and the computers that hook into it on day one. come back on day two and setup switch one and comback the next day and so on and so forth. and usually by day 5 everything has worked for about a day or two then Im back with nothing working.
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Sep 13, 2011
I am looking at two wireless routers currently
ASUS RT-N16
Linksys E3000-RM
Does either of them support large HDD. I have an external 4-bay RAID 5 enclosure (4.5 TB usable space) I would like to connect through USB to the router and host the files on it.i can't find any data from either router if they can support this so I thought I would ask.
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Jul 3, 2012
I am connecting a cisco device with huawei device. The issue is when i ping with normal size packets (56 bytes) its ok. But when i increase the packet size above 1500 it doesnot works. MTU on both size is configured as 4096. I have also checked by varying MTU size, but still the same.
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Nov 4, 2012
We have some users who use AnyConnect regularly; the tunnel is terminated on a 5520 ASA. The tunnel group is currently set up to send RADIUS aaa requests to the ACS server, which in turn is set up to query Active Directory. This is working perfectly for all AnyConnect users except for one person. authentication worked fine for this person as well before we switched from an old Steel Belted Radius server that used to be doing the same thing basically, it handled the RADIUS requests but did a look up into Active Directory. So that part of it has not changed. So now when this user tries to log in he gets these the Windows event logs.
Date : 11/02/2012
Time : 21:13:39
Type : Information
[code].....
I've looked though the ASA configuration and it is using a valid certificate and everything, signed by GoDaddy etc…. It won’t' let me look at the certificate authority configuration because it says it can't be configured when in a failover pair. I don't really think the problem is at the ASA at this point, because all other users are authenticating correctly. (And so was this user before switching to ACS)Also in the ACS logs it says the user used the wrong password and that is why authentication is failing, but they are using the correct password. So now I am looking into issues with the users account in particular. Something that I think may be worth noting is that this user has a very large access token (one of the largest in the entire organization) belonging to over 98 groups (not including all the sub groups). I'm wondering if having a very large access token could be throwing ACS off for some reason.
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