Cisco Wireless :: 1242 - 5ghz Range Solution
Oct 2, 2012
I'm currently moving to a 5ghz solution, due to my WGB's de authenticating due to possible interference. However, the area I have to cover is 350ft in length, with centralizing a 1242 with two Cisco Aironet 6-dBi Omnidirectional Antenna (AIR-ANT5160V-R), that leaves around 150 ft each way.
Do you think this is possible? I currently have a 12dbi high gain antenna on 2.4 right now, but I get the following:
Oct 3 18:05:26.359: %DOT11-6-DISASSOC: Interface Dot11Radio0, Deauthenticating Station 68bc.0cb8.6a09
Oct 3 18:05:26.359: %DOT11-6-DISASSOC: Interface Dot11Radio0, Deauthenticating Station 0000.bcc7.ef05
Oct 3 18:05:26.359: %DOT11-6-DISASSOC: Interface Dot11Radio0, Deauthenticating Station 0000.bc58.c1ae
[code]...
I'm going to assume this is interference causing this, since we are in a factory with lots of noise. When the WGB is directly under the antenna/root bridge, there seems to be very little de authenticating.
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Oct 15, 2012
I have Eight AIR-AP1242AG-E-K9's accross our site that have 2 SSID's and 2 VLAN's that work well, I want to link one of the AIR-AP1242AG-E-K9 to another one using 5ghz patch antennas across a 50 metre gap, but I am puzzled on how to do this, as to create a root bridge and a non route bridge link I need to put the infrastucture SSID on and this must be on VLAN1 but I want the traffic from both VLANs to pass over this link. I just want to ensure the config will work as I need to go into a cherry picker to get to the non-root-bridge.
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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 27, 2010
I have the WRT610N, and I was wondering if there is a way to repeat the 5GHz network to extend the range.I am trying to stream content from a Blu-Ray player, and while the 2.4GHz network reaches, the signal is very weak. The 5GHz network doesn't reach, but I would prefer to stream content through that network than the 2.4GHz.
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Mar 24, 2013
Region : Germany
Model : TL-WDR4300
Hardware Version : V1
Firmware Version : Build 121225 Rel.37950n
I have low signal range from this WDR4300 router on both bands and especially on 5Ghz i lose my connectivity on just few meters away from the router and on other rooms in my 80m2 apartment, i also own another tp link 740n with only one antenna and the range is better with it almost covers all my apartment. Router has been reset after being updated to latest firmware and tried different configurations but im not satisfied with the signal range. Is there something i can do.
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Dec 6, 2010
I just bought a WNDR3700 to upgrade my wireless network. I have two primary goals:
1. Get my one HTPC that is connected via wireless bridge (due to its location) out of the 2.4GHz band because of microwave interference; and
2. Move to 802.11n to increase bandwidth to handle additional wireless HTPCs.
Currently, I have my HTPC and Xbox 360 connected to a WRT54GL. The WRT54GL connects to my primary wireless router via bridge mode. I prefer to use a bridge instead of buying separate wireless adapters for the Xbox and HTPC. Any recommendations of wireless routers that I can use as a bridge to connect via 802.11n in the 5GHz range. DD-WRT compatibility is a big plus. Gigabit switched ports also a plus, but not that important.I could just buy another WNDR3700, but I am looking for a less expensive option.
Currently considering:
Linksys E2000
Linksys WRT400N
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Dec 23, 2012
I just connect my new EA 6500 router and I am trying to connect my Belkin F9K1106 Range extender to the 5Ghz and it keeps saying the password is incorrect. I am able to connect to the router using 2.4Ghz with the same password. I have updated the extender's firmware to 1.00.16 and it didn't work.
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Nov 26, 2011
I need setting up a wireless home network. I have never done much networking, beyond linking two PCs directly together. This is my first time setting up a network that has multiple PC/devices accessing it.
It's a big house and has two floors. More importantly, it has impossibly thick walls. The walls are between 18 to 24 inches of solid stone (perhaps to repel a tank invasion?). I want to be able to get at least 15-20 Mbps to the furthest reaches of the top floor, in order to stream high quality HD video without a hitch.
I have settled on the ASUS RT-N16 router, unless a better option presents itself. It's one of the more decently priced high-end router available to me. It has decent signal strength (3rd on the MaximumPC router round-up), supports Tomato USB etc. I also intend to use the router to as NAS, plugging in an external HDD to one of the USB ports provided.
Despite its decent wireless strength, I doubt I will get close to the required Wifi throughput. Here is my plan to get around that. Let me know if there are any problems with it or if it can be done better. I intend to run an Ethernet cable from one of the router ports to the top floor, and attach a cheap .n router at the other end, to act as a wireless access point.I am unsure if this will meet all my requirements.
1) Will there be any problems with having one router connect to the other?
2) Will external HDD connected to the RT-N16's USB port, configured as a network share, be accessible as such to any device connecting to the secondary network?
3) What kind of cable will be needed to connect the two routers (provided this configuration is viable)? I remember that cable type used to depend on what's connecting to what, e.g. cross-crimped cable for attaching two computers directly without a hub or switch etc.). I don't know if these concerns are still valid.
4) Will I be able to access the configuration page of the primary router from devices connecting to the secondary router's network? I intent to run some apps on the primary router and would like to be able to check on them from the upper floor as well.
5) Will there be an impact of the speeds? The N16 as Gigabit Ethernet ports, which I doubt the cheap router will have. I don't think that should effect the speeds, but like I said, I have next to no experience in this area.
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Sep 19, 2012
My customer has multiple sites, each with a 2504 WLC.A data center with a 5508 in the DMZ acting as Anchor for the remote sites.ACS 5.x and NCS Prime.All guest users will egress to the internet via a Vlan in the DMZ.Authentication is currently web-auth on the Anchor, but will move to NCS once that is fully deployed.
Is it possible to put a printer in each site for Guest WLAN users to use?
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Jun 12, 2012
I am looking to add a new wireless network for our customers to use.I would like to cover multiple areas of the site. And if cheap enough the whole site.Ideally I would like a control panel I can use to create new passwords for every customer that wants to connect. I can then set an expiry date on the password after that it deletes the password.An extra would be if the person would have to sign an e-policy before being allowed to browse.
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Aug 1, 2012
I want to install a pair of 5508 to manage the whole wireless solution and I have a few questions regarding deployment, Please refer to the topology. The management and ap manager interfaces are conifgured with the same ip address range and thus the same vlan which is 10.160.254.X/24 also all the APs(1,2,3) in that building have the same IP address range for management which will be manually conifgured. The AP's (4 and 5) on the other building have another range of IP address for management and here is the first question. Will the AP's 4 and 5 join the WLC if I manually configure them to point to it? I know I can group interfaces and use them with the same SSID BUT the WLAN vlan in both sides are different and are separated by a router and hence the next question: Can this be done even if they are separated? and if I can, how is this possible, should I configure a dynamic interface in the WLC with an IP of that network even if it doesn't exists on that side? I'm kind of confused with this.
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Dec 26, 2011
I'm using two cisco 1242 AG access points to configure WDS feature. I've named the accesspoints as AP1(acts as WDS) and AP2. Since I've only two accesspoints, I've configured the AP1 to act both as a WDS and as a regular accesspoints.Further I'm using the local radius server within the AP1 to authenticate both clients and infrastructure accesspoints. And both APs are connected to a router (which act as a dhcp server) via a unmanageble switch and both accesspoints are getting registered with WDS.But the issue is when I tried to connect to the configured SSID, it promts me a "authentication window" but after entering the configured username and password, i'm not getting authenticated by the AP.
I've attached the configurations of both APs to for your reference and I've used the following cisco document as a guideline to crate the WDS. [code]
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Mar 4, 2013
I'm having a little issue with some Cisco Aironet1242ag WAP's. I receive a call at least twice a month stating that some of the WAP's are not giving out internet connection. What I always do is go to my patch panel and disconnect those WAP's not working and connect them back again so they can power cycle. These WAP's are connected to a Cisco3750g. Once the WAP's boot up, the users can connect to the WAP and connect to the internet.
I don't know if these WAP's are filling up with some information that causes the access points to not connect to the WAN.
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Jan 26, 2013
My system is asking for solution center
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Apr 18, 2011
Is it possible to make a bridge using a 1242 and a 1310? I have been able to get them to associate together and it appears it will function as a bridge. I have the 12(4) 253 JA IOS for both devices. I would like to use the g antenna on the 1242 for the bridge and the a antenna for wireless clients. The configuration on the web management appears to support bridge root and non root for both devices.
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Sep 12, 2011
I am trying to upgrade an autonomous IOS 1242 AP to LWAPP and I am having an issue with finding the right code to complete the upgrade. I have upgraded the AP to c1240-rcvk9w8-tar.124-21a.ja2.tar, but now I think I need a JX version of code to have it join a controller, and I can't find this anywhere on the Cisco site.
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May 9, 2012
i have 1240 series access points which is not joining controller 5500 series. [code]
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Aug 13, 2006
i need to change the IOS in a Ligthwiegth Access point and make it work as an Autonomus AP 1242. I have got the image but im not realy clear about the process. I got to enter the Ligthwiegth Access point true the console port but i dont know how is the upgrading process.
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Jun 6, 2012
One of Cisco Wireless AP 1242 installed in my premises restarts itself; AP is getting power from Catalyst 2960 POE. I am using multiple SSID on this AP. I have issued the show tech-support. I have seen below in tech-support System was restarted by unknown reload cause - reason ptr 0xF, PC 0x46FEB8, address 0x0? what could be the reason of restarting of AP. AP is in production since 1 year and it restarts seldom.
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Mar 24, 2013
When I tried to add new AP 1242 to my network I had following problem:
The Ap was constantly reloading and I was getting message
Wed Mar 20 13:32:12 2013 AP 'UBFT-E06-F0A-R09-0022.901b.a6ba', MAC: 00:23:ab:27:1f:30 disassociated previously due to AP Reset.
%CAPWAP-3-IMAGE_DOWNLOAD_ERR3: capwap_ac_platform.c:782 Refusing image download request from AP - unable to open image file /mnt/ap_bundle/ap.pri//c1240
I decidet to reinstall software on WISM 2 modul (7.2.111.3) this fix the problem and AP joined controller but during this process I have lost connection to 87 AP for 3 seconds and then they joind back again.
"disassociated previously due to AP Reset"
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Feb 9, 2011
I have 3 Cisco 1242 WAPs that I have deployed at a site that has NO RADIUS/AAA devices. I have given all of them a different channel (1,6,11), but the same SSID and crypto (WPA2-PSK). The issue is when a machine boots up it associates with the closest/strongest AP, but as the device "roams" it does not which to a different AP. It stays associated with the original AP until that signal is gone. Then it quickly associates with the closest AP with no problem.
How do I get the device to associate with the strongest WAP? I have research "fast roaming and WDS" but it seems like you need EAP/LEAP and they do NOT have that at all.
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Sep 9, 2011
Building a dmvpn network with 2911 hub router.Anyone have a clue how many simultaneous vpn connections can be used? The amount of transferred data is very small.
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Jan 25, 2012
I'm looking for a VoIP solution for one of our remote sites.I'd like to keep it self contained and not attached to our current Cisco Call Manager.I had a couple sites running Asterisk from EvolutionPBX (URL), but it appears they've gone out of business.I've come across many different vendors for a solution, but of course they all claim to be the best. I'm just curious what others are running.What I really liked about Evolution PBX was how easy it was to setup.I basically need about 25 to 30 extensions, after hours voicemail, and a hunt group.
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Sep 8, 2011
I have a pair of SRP527W-U units, which each connect to a seperate ISP by ADSL2+I am attempting to use each simulatenously as follows:ISP-A via CiscoA for general traffic, and to run HTTP server X,ISP-B via CiscoB to run HTTP server Y,HTTP servers X and Y are on one machine, but binding to two seperate IP addresses eg x.x.x.3 and x.x.x.4,In a situation like this, I would normally configure CiscoA and CiscoB with x.x.x.1 and x.x.x.2 respectively,CiscoA would run DMZ to x.x.x.3 and CiscoB DMZ to x.x.x.4,The server would use x.x.x.1 as the default route.Then I would set CiscoA to have a policy route catching source address x.x.x.4 and sending it to next-hop/gateway x.x.x..
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Feb 28, 2011
have to build a solution for a network of around 150 users from the same building with about 50 users per floor. They are all having an workstation with windows 7 prof (about 75%), windows XP home edition (about 20%) and windows xp prof (5%). They are working in Autocad and I need a server on which I have to put windows 2008 server with AD and will have a role as fileserver.I need to know what are suppose to be the minimum hardware requirements for this server. Having not too much IT experience I need to know if the users that have windoiws xp home edition need to change their OS.
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Nov 20, 2012
I would like to create a Mesh network using Cisco 1242 AP's running in Autonomous mode via A Channel.
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Apr 11, 2012
We currently have 8 1242's and they all work fine, however we recently baught one 2nd hand one which was previously connected to a WLC, it lights up fine but it wont detect in IPSU even though the dhcp has assigned an IP to it. I would like to login through the web page to configure it but I am not able to do that either. It responds to ping fine though. So I no longer wont it be a LAP, so I tried to console in, to run flash_init etc. but when I try and give the <ESC> command (during the flash loader) it just carries on and ignores all input. I have used the correct settings Baud rate 9600, no parity, no flow control , databits 8, etc. but nothing happens it just goes through the boot and then asks me to press enter to input. i can then browse the directories and rename files. but I just cant get it to holt the loader so I can reset, I tried rename of config.txt and env_vars but that has't worked either. It keeps stating that it is looking for LWAPP/CAPWAP but unfortunately we don't have a WLC Is there another way I can reset it or is there some magic way in whic I can send the ESC command.
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Jun 5, 2013
I encounter a strange problem on several AP 1242 in version 12.4(25d)JA1 of a customer : He has 10 autonomous AP covering The APs loose LAN connectivity randomly and therefore the clients don't work anymore. The AP are connected on a 2960 and a 3560 wich are in turn connected on a 3750 wich route the trafic.After checking spanning-tree no loops are present. When I check the counters on the AP involved I see the "trhottles" and "ignored" counters incrementing on the fa0 link of the AP impacted wich mean I think it can't handle the incoming traffic. This incoming traffic seems not to be too big however. I can see drops on the switch interface connecting the AP.
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Mar 8, 2012
we had a problem with a customer wlan in our warehouse (cannel overlapping). The troubleshoot needed a long time. For the future if requipred in case of problems i want to configure one access point in the warehouse as a scanner (please find picture in the attachement). The Autonomous cisco 1242 is now configured as scanner but i can't see any logfiles? Where can i find these informations. This is the cisco description of the scanner mode:Scanner—Functions as a network monitoring device. In the Scanner mode, the access point does not accept associations from clients. It continuously scans and reports wireless traffic it detects from other wireless devices on the wireless LAN. All access points can be configured as a scanner.
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Jan 14, 2012
I have cisco LWAPP 1242 AP already joined controller but 802.11b/g shows down on the radio 0 interface. I tried to enable it but it comes with an error" Error in enabling admin status". I have resetted the AP to factory default settings and even replaced with NEW AP.
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Aug 20, 2012
We have 1242-AG series AP which is configured in Rogue Detector mode. After adding this AP to WLC its showing Admin Status of AP as Down.
When i am trying to enable the Admin Status its giving me following error
" Admin status cannot be enabled for AP in Rogue Detector mode".
how to enable Admin Status for Rogue Detector AP.
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Jul 27, 2011
I try to change the AP mode of my LWAPP 1242 from local to bridge mode. But when the AP reboots it never associates with the controller, i have to reset it manually.I have the same issue with a LWAPP 1142.I tried to modify the AP mode configuration through the controller CLI but it's the same behaviour, AP never associates.Is there any particular parameter or configuration to perform before changing AP mode?
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Jun 10, 2012
At intermittent times, we will have a single device start to "hide" behind a 1242 bridge.In the past, my team would reload or reboot the bridge, and everything would come back up.But the 90 seconds of lost data were causing problems.
I found the the WB was always available.So I would ping the hidden device from the WB, and it would ping.Next, I showed the ARP table, and got the MAC address of the hidden device.Then, I would start a ping from my PC, and leave it running. Constant "Destination Unreachables" from the router.Next, I showed the bridging table for F0, and sometimes the device would be there, sometimes not. I would add a forwarding bridging entry manualy, and exit conf.
Showing the briding table would show the device, with a "P"ermanent age, but still no pinging.Finally, I would remove the forwarding briding entry, and pings would start within a couple of seconds.During these periods, outbound UDP packets will continue to be forwarded from the PC.So, my managers want to convert everything to UDP, which is a potential disaster in my opinion. [code]
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