Cisco Wireless :: Use 1242 5GHz To Create Wi-Fi Bridge?
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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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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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 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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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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Nov 14, 2012
I have Cisco 1242 setup as a work group bridge. Is there a rule of thumb on the max number of wired clients that can be connected at one time?
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Sep 5, 2011
What kind of hardware are people using for mobile bridges? I have not had good luck with Cisco 1242's in bridge mode with mobile-client enabled. The only reason we're using the Cisco access point over standard industrial bridges is because we need to manually forward the mac addresses of the devices behind the bridge. These are being installed on robotic forklifts. They have a generic ethernet scrolling marquee installed that does not maintain any active connections and drops from the fowarding table in the bridge if not staticly configured. I'm looking for an alternative because the roaming is not nearly as smooth as it should be.
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Nov 22, 2010
I've read in some of the cisco documentation on the 1250 series that root bridge or non root bridge modes are "not tested". They don't say "not supported". I have a client that could use a high bandwidth link between two buildings that are 100' or so apart. The fiber link has already been busted twice. Heavy heavy trucks kill the ground concrete. I have configed a 54Mbps solution with two 1242G's and some cisco yagi's. But, if an N bridge is possible with two 1252AG's, and go faster than the 54Mbps..I'd go with that setup.
Cisco documentation says the bridge modes show up in the 1252 webgui and are selectable. They just end it with "not tested".
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Oct 23, 2012
I want to connect with wireless devices two buildings, one in front of another. Short distance (about 20 meters) and no obstacles. I have a couple of aironet 1242 and i was wondering if it would be possible to setup this link with this equipment.
could WGB be the solution?
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Jun 19, 2011
my wireless router that is connected to the internet is in the basement and my computer is upstairs on the second floor of my house. Because of this the signal is very bad, to fix this problem I bought a Belkin Wireless N300 in order to create a wireless bridge but I am having trouble. My downstairs router is a D-Link DI-524 and I have googled all over the place to find a solution but the belkin router doesn't have a wireless bridging option...
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Feb 20, 2013
I am wondering if it is possible to Create a wireless bridge. I am trying to connect a linksys WAG54gs to next doors wireless router. It's ok she's my mother in law.
She has a BT home hub 3.
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Feb 21, 2011
I use the DWA-552 Linksys wireless card on my PC. I would like to create either a bridge (which seems complicated) to my RNX-N100 USB Wireless dongle. The reason being, I am going to use the RNX to get access to the internet for my Blu-Ray player (BD-C5500T). I have looked everywhere and cannot find any info on the setup. The other way is to connect the PC to my T.V. as my integrated card has an HDMI port and bridge the wireless connection with the integrated wired connection (if that is possible) so i can gain internet access to my Blu-Ray player. I have tried to configure with my player and no-go. It works fine when i configure the RNX on my PC though.
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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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Nov 16, 2011
I Recently purchased the DAP1522 to use as an entertainment bridge for my xbox 360, BR player and dish network receiver I also upgraded my router a WRT5GS running tomato to a Linksys E4200 going from G to N while i had my Xbox and BR connected wireless I didn't have the Dish receiver hooked up so i thought by using the DAP i would be upgrading my network and connecting my Dish receiver no brainier right and everything works so far.But here's the question with all the hype of the benefits of the 5ghz channel , well it's not hype it certainly makes sense but from what I see the products have to be compatible shouldn't what I'm connecting be compatible they say your gaming console specifically and streaming movies i would think . Any configuration tips I read somewhere that with an E3200 router they had to set the 5ghz channel to like 37 for the DAP to see that channel its all getting a little overwhelming here's whats in the house A Mac Power PC pre Intel using a Asus NB13 USB 2.4ghz its the only thing i could find with speeds over 100Mbps A windows 7 machine hardwired gig connection another windows 7 pc downstairs hardwired a netbook with a wireless connection and lastly a DECT 6.0 phone system who knows what interference these produce.
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Jun 29, 2012
I can't create a network bridge in windows xp or well i can, but then my wusb600n says it is not connected, it can find networks but it wont connect to them? I tried take out the lan cable and create but with same result, is this normal that this adapter can't handle network bridge? If i make a virtual machine in Virtualbox i can use the internet, but i cant when i create a network bridge connection in windows xp..
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Nov 15, 2012
What is replacing the 1310 AP's in order to create a wireless bridge between sites?
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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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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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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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May 31, 2013
However, I now have a number of devices... certain smartphones so far... that will NOT connect to a FlexConnect AP if it's a 1262AGN AP, but my older 1242G AP will accept the devices without issue. Same SSID, same encryption standards.
If I connect the devices to my guest network (no security), they will connect just fine to both APs, and Non-FlexConnect 1242 and 1262 APs will both accept the devices without issue using my private network.
In other words, it seems to be an issue specific to 1262AGN with my encryption security. My security is WPA2/AES with PSK. No additional security on the SSID.
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Feb 27, 2012
I have a set up 50 qty AP1242 (AIR-LAP1242AG-E-K9) installed with a single (1 qty) ANT1728 Antenna..I am not happy with the coverage..Is it possible that I can add another 1 qty of ANT1728 antenna to the exiting AP1242 to imporve the coverage?
AP1242 had dual RPC-TN connected. But I am not completely sure that wether 2 qty of antenna (ANT1728) can be connected to a single Access point (AP1242). I am also concern regarding the power requirement.
I would like to upgrade my existing Wlan to the following configration -AP1242 connected with dual antenna (AIR-ANT1728 x 2 qty) to improve the coverage.
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