Cisco :: Upgrading Wireless LAN Controller Over TFTP With Large File?
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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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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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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Feb 4, 2013
I am trying to copy IOS from unix box to 3750 switch
archive tar /xtract tftp://192.168.1.5/c3750-ipserviceslmk9-tar.122-55.SE7.tar flash:
%Error opening tftp://192.168.1.5/c3750-ipserviceslmk9-tar.122-55.SE7.tar (Timed out)
i get error
i can ping the unix box from the switch.Here is switch flash info
sh flash
Directory of flash:/
2 -rwx 6484 Mar 1 1993 00:02:53 +00:00 vlan.dat 4 -rwx 1929 Feb 4 2013 22:59:34 +00:00 private-config.text 5 drwx 128 Jun 22 1993 16:14:21 +00:00 c3750-ipservices-mz.122-25.SEE2 458 -rwx 20848 Feb 4 2013 22:59:34 +00:00 config.text 6 drwx 64 Jun 22 1993 16:21:05 +00:00 c3750-ipservicesk9-mz.122-35.SE2 460 -rwx 12961 Mar 1 1993 00:05:47 +00:00 config.text.bak 461 -rwx 3096 Feb 4 2013 22:59:34 +00:00 multiple-fs
15998976 bytes total (5166592 bytes free)
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Apr 29, 2013
I am trying to copy IOS from my TFTP server which is on my laptop to cisco 2960 switch
I am able to ping to switch from my laptop, connectivity is fine, tftp server is running
Current Image on Switch --> C2960-LANBASE-MZ.122-25.SEE3.bin --> trying to upgrade to --> c2960-lanbasek9-mz.122-53.SE2
I am getting below error when trying to upgarde IOS:
2960-SW#copy tftp: flash:
Address or name of remote host []? 10.1.x.x
Source filename []? c2960-lanbasek9-mz.122-53.SE2
[Code].....
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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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Mar 17, 2011
I need to transfer a large file(about 1GB) from my pc to FTP server.I tried with C# code in .net, it stated that "buffer size has been exceeded or queue is full".I tried using cmd prompt also, but it transferred about 380 MB and a notification was displayed as "Netout : Software caused connection abort, 451 Failure writing to local file".
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Mar 6, 2012
if I have a half duplex 10 mbs connection, is the max speed to download a large file 5 mbs or would the download tend to hog the channel direction?
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Jun 2, 2013
5508 controller is at the headquarters which can be normally pinged, telnetted, http'd and tftp'ed....at the remote site, controller can be pinged and http'ed but cannot be telnetted and tftp'ed.there is a complete tracert from the remote site pc all the way to the controller.from a switch at a remote site, the controller can be telnetted. but from a pc on the remote site (which belongs to a remote site vlan), it is unable to telnet and tftp the controller.all active components can be telnetted from the remote site, such as the core switches and routers at the headquearters, except the controller.upgraded the controller code to 7.2.xxx in headquarters but still unable to telnet and tftp the controller from remote site.is there any more settings on the controller for telnet and tftp?what could be the problem why the controller is not available for telnet and tftp from the remote site?
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Feb 28, 2012
Our office lan network is in 192.168.0.0/16 with 300 nodes and 30 server .Since its a large broadcast domain some times it takes large time for copying files.How can we avoid this problem with out changing the subnet.Also how to avoid broadcast storm.we are using cisco 2950 series switch.
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Aug 15, 2011
But both of us are living far apart, but we are using the same ISP, same broadband package, same IP range too.I would like to know how to send files directly to him(or he send to me) @ full speed without extra steps like uploading my file to Megaupload
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Dec 29, 2011
I'm presently experiencing an issue with my Latitude E5410 notebook where the NIC disconnects during large file transfers. For instance, if I were to copy a large file (50+ MB) from a network drive (or vice versa, copy a 50+ MB file from my notebook to the network drive), the network icon in my taskbar suddenly changes to "No Network Access", the transfer fails, and I can't access any network resources until restarting my workstation.
At first I thought it was the network backbone in our office (SonicWALL Gateway + Dell PowerConnect switches), but this error also occurs at my house with my own networking equipment (D-Link) and NAS. The Latitude E5410 notebook is running Window 7 Professional SP1 and has a built-in "Broadcom NetXtreme 57xx Gigabit Controller", and a "Dell DW1501 Wireless-N WLAN Half-Mini Card". However, this issue seems to only occur with the Broadcom adapter when I'm physically connected to our network; when the Broadcom adapter disconnects, I can connect to our local wifi network and access network resources.
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May 29, 2012
I am doing image upgrade on Catalyst 6509-E. During TFTP image transfer to sup-bootflash I always see !!!!!!!!!!!!!!!!!o!!!!!!!!!! "o" out of sequence packet. Although the image size seems to be correct at the end but there is always some "o" packets.
I am assuming not, but I haven't tried loading with the image after seeing this.
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Mar 14, 2012
if we are upgrading from lms 3.1 to 3.2, can we use the same license file of 3.1?
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Apr 5, 2011
After the installation LMS 4.0 I make Upgrading on LMS4.0.1. The process remains stand with the message "File Copy in progress..." during several hours. After the Reboot of the server it points me Cisco Works again with LMS 4.0 starts.OS Version: Windows 2008 R2
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Jul 18, 2011
I have an issue installing LMS 4.0.1. LMS 4.0.1 installation is left with "file copy in progress". We waited for few hours and the process java.exe taking the cpu (among 45%).After few tried, same problem occurs ...Antivirus is correctly disabled (I checked the process), and the installation file was decompressed.LMS 4.0 was correctly installed using R2 patch on Windows 2008 Server R2.
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Nov 4, 2012
I need to take the backup of configuration file for WLAN Controller 4420, I tried all the possibilities given in the documentation but the backup fails, I have main confusion with the file name to be backedup, i am not able to findout the configuration filename any where even when i use CLI?
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Nov 9, 2011
I am using WiSM in 6509, this WiSM has two controller with the same management IP subnet, I tired to upload the configuration to the TFTP server, but tried many times, one of the controller working well, but the other one always cannot reach the TFTP server, here is the debugger log for both controller
Failed one:
(KGV-WiSM-1) >debug transfer all a enable
(KGV-WiSM-1) >*TransferTask: Nov 10 16:26:08.735: RESULT_STRING: TFTP Config transfer starting.
*TransferTask: Nov 10 16:26:08.735: RESULT_CODE:1
*TransferTask: Nov 10 16:26:32.018: Locking tftp semaphore, pHost=172.16.102.107 pFilename=/KGV.aes
*TransferTask: Nov 10 16:26:32.018: Semaphore locked, now unlocking, pHost=172.16.102.107 pFilename=/KGV.aes
[code].....
why the controller can't upload the file, I can ping both controller and both controllers can ping to the TFTP server.
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Nov 22, 2012
How has file server been affected by promoting your server to a domain controller? and what are file sever actually do?
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Jul 19, 2011
I am using TFTPD32 to upgrade the IOS on a router. When I type in the commands copy tftp flash and enter all the necessary information, the router sits for a minute or so and then times out. There is no entry made in the log when it times out. copy flash tftp yields the same result. The fa 0/0 interface and the TFTP server are both on the same subnet and can successfully ping one anothe
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Apr 29, 2013
I can't get connectivity from laptop to AP using cross over or straight through cable to do a tftp transfer from tftp server on laptop to ap.
I held the mode button on ap and powered on to get to rommon. The ap has no ios so it goes to rommon anyway. ap light is blinking red.
ap: set
DEFAULT_ROUTER=10.0.0.1
IP_ADDR=10.0.0.1
NETMASK=255.255.255.224
[Code].....
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Nov 29, 2012
I am trying to TFTP an image to a Cisco 2504 WLC. The management interface is 10.1.1.1 /24 and I have my PC connected to a port on the WLC with the IP address 10.1.1.10. However, I still do not have connectivity between the PC and WLC.
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Aug 12, 2012
I know that the 3600 series APs are not supported on the 4404 WLC. However, would the following scenario be supported? I would like to use the 4404 (software rel. 7.0) as a guest anchor with a 5508 (software release 7.2) as the foreign controller supporting series 3600 APs. I ask because the APs do not need to join the guest anchor.
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Jun 2, 2013
We have a customer that have 2 5508 as primary and backup controller and a 4400 as an anchor controller. We plan to upgrade the 5508 to 7.3.112.0 and the 4400 is already 7.0.116.0. Will there be any issue if the anchor controller is not the same code as the foreign controller? Do I also have to upgrade the acnhor controller to 7.0.240.0?
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Mar 31, 2013
We are trying to navigate the waters in choosing between a in-house, controller-based, wireless network solution or a cloud-based solution. We have been presented with the usual suspects in cloud-based (Aerohive, Meracki, etc) and with Cisco (5500) and Aruba on the other side. We are a multi-campus organization with approx. 200 APs.Any hard reasons why go with a controller-based vs. cloud-based solution? If we must keep the conversation limited to Cisco, why go Meracki over Cisco's WLC solutions or vise versa?
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Dec 6, 2012
I am looking to configure a wired and wireless guest network. I have industrial barcode scanners that connect to one SSID and then there is the business network on the office SSID (no vlan seperation for these devices just different SSIDs). There is not really a need to seperate the business network from the scanners in any case. However, there are needs for a guest network and this needs to be seperated. At the bare minumum I would like to have the wireless guest network. Here is what I have: 2125 Wireless LAN controller managing 18 LAPs (1 indoor and 17 outdoors)Cisco Cat 2950 switches (2 x 24 port and soon to be replaced with 2 x 48 port 2960's with 802.1x capability) Sonicwall TZ210 firewallOne existing wired and trunked vlan for PLC infrastructure. One ESXi hosting Windows server guests (soon to be 2 with vMotion) The reason for the wired guest access network is tp prevent anyone from plugging into the wall jack in the office with thier home laptops or anyone else from being on the same subnet as our domain machines. Granted they would be unathenticaed but there would be no layer 2 seperation and that is what I think would be best.
How would I go about doing this on the wireless controller without an anchor controller just using my existing hardware? I would like to have the Guest SSID only availible in the front office. Is it possible to offer a guest network while still servicing the business network SSID on the same access point? Then might I be able to have the guest network be treated as it should at the controller? However this might present another issue altogether as the guest traffic will be over the same wire as the business SSID until it hits the controller for management.
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Jan 8, 2013
I have WLC 5508 in my office and i am asked to backup file configuration from WLC but when i remote WLC to get the upload configuration file via tftp it doesn't work.
But when I try to use direct connection ( point to point ) with WLC and my laptop i can get the upload configuration file. is there something wrong, actually i have connected with that WLC i can ping and telnet that device
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Nov 15, 2012
I am trying to convert two Aironet 1141n access points to autonomous stand-alone units. I have connected the console cable and I can see the unit giving information in the console window, but I cannot type any commands. When I try to get the unit to upload the c1140-k9w7-tar.default file by holding the mode button in for 20-30 seconds, it shows it is examining the file, and then states that the connection to the tftp server has timed out. My windows firewall is off, the interface is configured as 10.0.0.2 255.255.255.0 and the tftp server is showing that.
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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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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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