Cisco :: CAPWAP 1252 - Wireless Coverage In Compact Area With Many APs
Jul 10, 2011
I am facing this particular issue while providing Cisco unified Wireless solution to the customer. We are having CAPWAP 1252 APs controlled by WLC.
Scenario: 50 persons sitting in a hall with closely packed chairs using wireless simultaneously. Wireless access provided by patch antenna at a height of 11m from the user. As one AP can server 25 users, 2 APs are placed with antenna directions facing the compact users. Each users gets very good signal from these two APs.
Whether there will be serious interference and client association issues in this scenario? once one AP associates 25 clients, whether other 25 clients associate completely to other AP?
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Nov 4, 2012
In an idle situation how much area is covered by a cisco 3502i acceccpoint , I understand there are many factor that will effect this , thats why I am adking in idle situation , I am looking for a number is square feet.
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Jul 30, 2012
I've been tasked with providing wireless coverage for an outdoor courtyard. The wireless that bleeds out into the courtyard is minimal for both 2.4 and 5 Ghz bands. I'm thinking a 3502p mounted just inside the wall hooked to a ANT25137NP-R patch antenna mount on an exterior wall. The red line on the wall will represent the antenna mounted on the wall. This will be providing coverage for phones on 5Ghz and general devices on 2.4.
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Nov 4, 2012
i have an Outdoor Area covered by Cisco Wireless LAN Solution (WCS,WLC,1550AP root and Mesh lightweight). I need to disable power transmission for some of these APs in the 2..4GHz.I tried two possible way, but both are not working:
1) Set the power of 802.11g/g/n to 0. There is no such option (power can be set manually from 1 to 5 and, as per the documentation, each level is a reduction of 3dB. Therefore, even if i put to the minimum, i cannot guarantee that there is no utilization of the 2.4GHz spectrum).
2) Define an AP group containing these APs and don't add any SSID. Is not possible because at least one SSID must be added on each AP group.
Working solution/setting in AP/WLC/WCS to avoid transmission in 2.4GHZ? Otherwise the only solution is to power them off?
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Apr 6, 2012
I want buy an Access point which cover 300 Meter coverage Area.
Have any data sheet or link where I can found which AP coverage how many Area, Like 1042 Access Point cover how many Feet Space.
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May 14, 2013
I used the AP 1552 Link Calculator to determine the coverage area of my AP deployment, however I have some concerns.I would like to know what the maximum radio range refers to when using an omni-directional antenna. Is this distance the radius or diameter of the coverage area? [code]
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Nov 10, 2011
How do you install a second wireless router to increase coverage in another area of house?
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Oct 22, 2011
expanding my WiFi coverage over a pretty large ares like 4 or 5 access points.
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Jul 11, 2012
i want to coverage area of Wi-Fi router of any brand
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Mar 3, 2013
We setup some new CAPWAP AP 3602E in the network and configure the DHCP server option 43 , but the WLCs still cannot detect the APs , Do you know if there any new way to troubleshooting?
WLC: 5508 version: 7.2.103.0
SW:3750E
AP: AIR-CAP3602E-C-K9
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Feb 1, 2011
I´m looking to a project where we want to start using Autonomous AP with possibility to change to controller based on near future.
Will Cisco Aironet 1040 Series Access Points allow us to change from IOS to CAPWAP when needed? I read some posts about the oposite process (CAPWAP to IOS) so I think it´s possible on both way. Can some one confirm this to me?
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Feb 9, 2012
We have had several APs disassociating from our controllers. The alerts say, Message: Access Point 'AP-xxxxx' associated to controller '10.x.x.x' on port number '0'. Reason for association 'Dot11g Mode Change. I have read several posts that point out that you should have QoS implemented to prioritize the CAPWAP traffic. I'd like to know if someone has implemented QoS and whether it has been successful in stopping the APs from disassociating. And if it has been successful do you have any configuration examples for the ports attached to the AP and controller as well as the QoS configuration?
We have several sites with AP1142's and 3500's. We have 2 5508 controllers. We are broadcasting 2 SSIDs of which one is in HREAP mode and the other is in local mode. Each of our sites have MPLS circuits.
Here is an example I found on Cisco which I believe can be used for CAPWAP as long as you change the ports to 5246 & 5247 instead of 12222 & 12223.
Example Router Configurations #
This section contains router configuration examples to be used as guides when addressing CS6 remarking or LWAPP control traffic load.
#
This example uses LWAPP APs on the 192.168.101.0/24 subnet, and two WLCs with ap-managers at 192.168.60.11, and 192.168.62.11. (code)
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Mar 28, 2012
I have an 1142 running capwap c1140-k9w8-tar.124-23c.JA4 that I am wanting to convert to an Autonomous AP.However, the AP does not seem to have an archive exec command to tftp downoad an new IOS.Is there another procedure that should be used ?
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Dec 15, 2012
I'm looking at the spec sheet comparing Cisco WLCs and I see that the 2504 has a bandwidth max of 500mbps. Just to be clear, not all of the traffic from the APs goes through the WLC does it? In this setup, the APs would be plugged into a PoE switch as well as the WLC. The only traffic to WLC would be the CAPWAP tunnel, CleanAir info, etc right? All other traffic should just be handeld at the switch right?Also, does the 2504 licencing include CleanAir in the price?
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Nov 12, 2012
I have to prepare an 3600 Capwap AP for autonomous functionality!
The following image was downloaded: ap3g2-k9w7-tar.152-2.JA
The release notes say: Site-Survey Only Mode for 3600, 3500, and 1550 Access Points You can install Cisco IOS Release 15.2(2)JA on Cisco Aironet 3600 and 3500 Series access points and on 1550 series outdoor access points to perform site surveys. This release runs on these access points with limited functionality. You can manually adjust these settings on the site-survey access points:
• Channel on each radio
• Transmit power on each radio
• Enable and disable the radios
• Manually set basic and supported transmit rates
• Enable advertised cell power in beacons to client to enable DTPC for doing active surveys
• Enable and disable SSID broadcast in beacons
• Enable open authentication
My Question is: Where can i find a instruction for downgrading an AIR-CAP3602i to Autonomous 3600 AP? Is it complicate to get the AP running, or what do i need for "downgrading"?
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May 9, 2012
I am trying to configure two AP-management interfaces to accept CAPWAP on different ports using the option "Enable Dynamic AP Management". One of them uses public ip address. However, I getting the message "Ignoring discovery request received on non-management interface ..." on this.
The controller is 5508.
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Apr 10, 2013
I have a wireless network running with Controller WISM2 and I also have a NCS.I want to know if there is any way to look of individual log of CAPWAP and LAPWAP Access Points. It is better if I can see it through NCS.
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Mar 10, 2013
I understand that Cisco *wants* the APs to be directly connected to the new 3850.I have a few questions. Unfortunately, I think I know the answers. I just want to confirm.
a. When MA/MC is enabled on the 3850, does the 3850 start intercepting *all* CAPWAP packets it sees (much like CDP)? Even non-Cisco CAPWAP packets?
b. If I have a WLC 5500 upstream from the 3850, would APs hanging off a downstream 2960 be able to register to the 5500 through the 3850 when the 3850 is NOT in MA/MC mode?
c. If I have a WLC 5500 upstream from the 3850, would APs hanging off a downstream 2960 be able to register to the 5500 through the 3850 when the 3850 IS in MA/MC mode?
What I'm afraid of is:
a. yes, yes
b. yes
c. no
From the Q&A page:Q. Does the Cisco Catalyst 3850 support indirectly connected access points?A. No. The Cisco Catalyst 3850 switch will always terminate the CAPWAP tunnel locally. Pass-through mode or indirectly connected access point is not supported at this time.
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Jan 6, 2011
I would like to confirm if it is possible to downgrade AP 1042 from CAPWAP to autonomous? I want to buy the AP model AIR-LAP1042N-A-K9. But i don't sure if in the future it could support this feature.
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Jul 10, 2012
Clarify some points with capwap implementation, does all data and control traffic tunneled back to the controller and switching packets to the specific vlan will be done by the controller? so if i have 5508 controller, its maximum throughput will be 8 gbps (local mode AP), provided i have done LAG on all its ports to the LAN switch?
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Nov 8, 2011
The following messages are filling up my syslog.
*spamApTask0: Nov 09 15:59:29.071: %LOG-3-Q_IND: capwap_ac_reassembly.c:652 Unable to store capwap fragment from 88:f0:77:b6:fd:00.
*spamApTask3: Nov 09 15:59:27.616: %CAPWAP-3-REASSEM_SPACE: capwap_ac_reassembly.c:652 Unable to store capwap fragment from 88:f0:77:b6:fd:00.
What could be causing it? I am using 1524 APs in a Mesh environment with a WLC 5508 (7.0.116.0) which is connected to a H3C switched network.
The MAC addresses above are from my MAPs and I don't think I am getting it from the RAPs.
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Mar 20, 2013
Can I convert a standalone 1600 access point to a CAPWAP based AP when I choose to deploy a WLC later?Cant see any literature on cisco.com that is specific to the 1600 APs
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Jul 12, 2012
Is Aironet 1260 good for indoor LWAP or CAPWAP environment? Do we need external antenna for the Aironet 1260 access point when using it indoor?
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Sep 4, 2012
I have a 3725 router and would like to upgrade the slot:0 compact flash to a higher capacity. My question is, I can just pick up a 4GB compact flash card from walmart, or do I have to have a card from Cisco?
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Aug 4, 2011
cant format compact flash, 512MB,at boot is says
Loading disk0:/asa841-51-k8.bin... Booting...
Platform ASA5510
Loading...IO memory blocks requested from bigphys 32bit: 13008 dosfsck 2.11, 12 Mar 2005, FAT32, LFN
here ---> Currently, only 1 or 2 FATs are supported, not 64.
dosfsck(/dev/hda1) returned 1
dosfsck 2.11, 12 Mar 2005, FAT32, LFN
open /dev/hdb1:No such file or directory
dosfsck(/dev/hdb1) returned 1
mount: mounting /dev/hdb1 on /mnt/disk1 failed: No such file or directory
mount: mounting /dev/hdb1 on /mnt/disk1 failed: No such file or directory Processor memory 868220928, Reserved memory: 62914560
what does this mean?Currently, only 1 or 2 FATs are supported, not 64.
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Jan 9, 2012
Is there reason why WS-C3560C-8PC-S and WS-C3560C-12PC-S is not supported in Cisco Network Assistent? According to the data sheets for these switches CNA should be supported. I saw another forum post stating that the Gigabit versions has been added to the supported list as of version 5.7."The Cisco Catalyst 3560-C and 2960-C Series compact switches offer both the traditional Cisco CLI for detailed configuration and Cisco Network Assistant software, a PC-based tool for quick configuration based on preset templates."
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Sep 25, 2012
I need to upgrade the compact flash memory on a 2821 router from 64 to 128, upgrade the ios, and re-script the router. So I'm wondering what is the correct sequence? With the router powered on, do i eject the existing flash, and install the new one or do I power down the router? Once the memory has been increased, then i can upload the new ios?
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Jun 5, 2012
I am attempting to install a 512 MB Cisco COmpact Flash for an ASA 5520. We have inserted the compact flash but when we do a DIR, it does not show. even as an unformatted device.
What do we need to do to make this a usable CF? Do I just need to reload the ASA or do I need to format the CF. It has been inserted into the slot in the back of the ASA 5520 and we have ensured that is had been seated properly.
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Sep 3, 2012
I want to know the CAPWAP protocol.
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Dec 5, 2012
I have two Cisco Aironet 1252 that I want to configure as a point-2-point bridge. Now I want to know if this configuration supports the 802.11n protocol.
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Dec 16, 2010
I am replacing an older AP with a new 1252 unit. I attached everything and powered it up, but my DHCP server does not appear to be finding it and assigning an IP address. The status light stays green and the ethernet light blinks randomly green. Seems to be connected fine, but without an IP I cannot configure it to use it.
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Feb 17, 2013
How can i connect my laptop (11n supported) to LAP 1252 with WLC 7.0.116.0?Status: 11a enabled on wlcDCA channel list in 11a on wlc is showing only 149 153 157 161 channels.
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Jul 17, 2012
I have a lightweight AP that boots into RoMmon, if i hold the reset button in for 10 seconds or so it will boot into the IOS and download the config from the controller but never registers. then once i reboot it it goes back to Romon unless i hold in the button again.
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