Cisco Wireless :: Get IP By Dhcp In Network Wireless On AP 1240ag?
Aug 19, 2012
I'm with problem to get IP by dhcp in my network wireless on AP 1240ag. I wish that my AP has two VLANs and each VLAN issue IP by DHCP.My DHCP server is a Windows Server 2008 for VLAN 1 and a Linux for VLAN 12.
The AP it's connected by Trunk to a Switch that has the two DHCP Server each one on port Vlan.but my clients it isn't able get IP address by any each one DHCP server. it's work only with static IP. there is more anything to do in my configuration?
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Nov 8, 2012
I have an Aironet 1240AG. I resides inside a building with its antenna placed on the outside of the building. In direct line of site, I have a light pole to which I could attach another wireless access point to extend my wireless network. This access point would have to be "rugged". Also, it would have to be able to be bridged to the current access point. In reviewing outdoor wireless access points, it appears that the 1552 is the way to go.
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Mar 29, 2012
What are the pros and cons of 2.5 Ghz and 5Ghz spectrum ,My customer wants 1240AG and the antenna for those are either 2.5 GHz or 5GHZ and wants to know which spectrum is better for him to use
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Aug 20, 2012
Cisco 1240AG converting to WEP to WPA
Access Point Model: Cisco 1240AG
System Software Filename: c1240-k9w7-tar.123-7.JA5
System Software Version: 12.3(7)JA5
Bootloader Version: 12.3(7)JA1
Access Point Model: Cisco 1131AG
Software: Cisco Aironet Desktop Utility 2.1.02
After converting encryption from WEP to WPA in a Cisco 1240AG in personal mode with an SSID name of example1 and Cisco 1131AG access point in personal mode with an ssid of example2; both with the same wpa passphrase, I created a new profile on the Cisco Aironet Desktop Utility with a new profile name as well as a WPA passphrase, but the desktop utility will only connect to the access point if one network name, example1 or example2, is entered.
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Feb 24, 2013
I'm looking at creating WLANs using standalone APs for the first time. I know this can all be done with trivially a controller, but this project can't stretch to that...Can I use MAC filtering on standalone APs to restrict which clients associate?I think these will be 1240AG devices but I assume the answer is the same for all models?Can I mix MAC filtering with WEP/WPA? And use MAC filtering without encryption?
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Feb 28, 2013
I have a 1240Ag. Earlier I loaded a startup config from a backup. The AP came back up - I can SSH into it, but when I try to access the web management page it says "IE cannot load the webpage".
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Mar 18, 2013
Is it possible to configure two SSIDs with same valn (default VLAN) with same IP addressing subnet on an autonomous 1240AG access point ios ver is 12.4 21a ja1.
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Sep 28, 2012
For 2 year now we have been running aironet 1240ag access points throught our warehouse. We use a telnet session on our handheld scanners to connect to our database on the main server.This last week our scanners started getting dropped from the access points serveral times throught the day and often would continue to get dropped at 1 minute intervals for several minutes at a time. This appears to be happening on all of our access points and is affecting all of our scanners but not at the same time.Each time a clinet is dropped we get the following event log on the AP.
Sep 29 11:57:14.807 -0500 Warning Packet to client 0c77.1a3a.6ff7 reached max retries, removing the client
Sep 29 11:57:14.800 -0500 Information Interface Dot11Radio0, Deauthenticating Station 0c77.1a3a.6ff7 Reason: Previous authentication no longer valid
All the AP's are setup the same with the below config
!! Last configuration change at 14:24:18 -0500 Sat Sep 29 2012 by Cisco! NVRAM config last updated at 14:24:18 -0500 Sat Sep 29 2012 by Cisco!version 12.4no service padservice timestamps debug datetime msecservice timestamps log datetime msec localtime show-timezoneservice password-encryption!hostname AP_10!enable secret 5 $1$lcac$OO/IqOlgR2.TPP/BFg7nX1!no aaa new-modelclock timezone -0500 -5!!dot11 syslogdot11 activity-timeout unknown default 128dot11 activity-timeout client default 128dot11 activity-timeout repeater default 128dot11 activity-timeout workgroup-bridge default 128dot11 activity-timeout bridge default 128!dot11 ssid jefferson377 authentication open guest-mode infrastructure-ssid optional!power inline negotiation injector 9caf.ca01.d818power inline negotiation prestandard source!!username Cisco privilege 15
[code]....
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Apr 18, 2012
how is the IP configuration for this Fast Ethernet F0.
This is because usually we only assign IP to the BVI interface. Is it after that, the Fast Ethernet F0 automatically also be assigned the same IP?
As such, when goto the Fast Ethernet F0 by CLI, by using no shut then this will Enable the Fast Ethernet Port?
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Jul 1, 2012
I am having access point 1240AG and planning to deploy ISE as a exteral radius server. I would like to know how different authorization policy need to configure in AP/ISE. Whether I can use named ACL or VLANs (CoA) as a enforcement types without use of WLC. If yes then how?
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Mar 19, 2012
I am setting and configure the Cisco AP 1240AG with 5GHz External Antenna extension. The whole product is called iWap. The problem now is that the wireless signal amplitude only can reach 3 bars instaed of ful 5 bars.
Few questions I have for this setup and configuration :
1. What is the default or original frequency of antenna of Cisco AP1240AG? Can a 5GHz antenna work with the AP 1240AG whereby it is run with 802.11a and 802.11g?
2. If 5GHz antenna can work with 802.11a or 802.11g, what is the setting or configuration needed to be done at the Cisco 1240AG? Or, no setting or configuration needed because it will automatically work by default?
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Apr 29, 2013
We are using an Aironet 1240AG series wireless AP here to connect handheld scanners. They work fine on WPA. However, when we switch to WPA2, they often lose connection. We have tested on 802.11g and a bands, with various encryption types (TKIP, AES, TKIP/AES). Also, how can I update the outdated firmware without signing up for a service contract?
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Apr 8, 2013
I have a question regarding cisco aironet 1240ag AP.
1st - Does this devices has a firmware ? So I can update a firmware ? or is an image file for IOS software ?
2nd - Which wireless controller I can use to handle multiple aironet 1240ag AP's ?
3rd - The controller has the ability to create temporally guest password ?
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Jun 1, 2011
I have Aironet 1240AG and the 2 laptops connected to same SSID. Unable to can ping each other but can ping/browse server on wired.
Below are my config:
Current configuration : 2646 bytes!version 12.4no service padservice timestamps debug datetime msecservice timestamps log datetime msecservice password-encryption!hostname AP2!enable secret 5 $1$7EVQ$2FN7ewjcrwKCICIfmFgCO.!no
[Code].....
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Mar 12, 2012
They are 8 APs Cisco 1240AG installed inside our warehouse, on the other hand we had some places with poor signal level -82dbm so we put two router linksys wrt54g.
The Cisco APs have 2.2dbi omnidirec antennas and they are configured with the same SSID on different channels (1,6,11) and max tx, rx (100mw).
When we check the signal level we realized that we have more signal from the linksy than the Cisco?
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Jan 23, 2013
I work as Network administrator in a building products plant at Poland. We had core switch HP Procurve 6200yl with 5 vlans, and 11 Aironet 1240AG Access points without controller. I have a problem with create 2 wi-fi VLANs on the Cisco AP's and linked it with HP switch.
VLANs on the switch:
1 - Default (for office sutff) - working great,
2 - Production (for production stuff) - working great,
3 - Inter (for Router's) - working great,
4 - WMS - i need configure it as wireless,
5 - WiFi with Radius - i need configure it as wireless.VLANS on the Access Points:
4 - WMS - for warehouse terminals - WPA2,
5 - WiFi for office stuff with Radius.
I'm easily able to get it running a single SSID (non-VLAN) network and confirm that I can use that network fine. However, I need to set up these 2 VLANs. I can connect to it via telnet if that'll let me program it faster.
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May 8, 2007
I am an IT professional that is installing my first extended range wireless AP in my companies warehouse. I am very excited!
Now I have set up many a linksys and repeater wireless networks, so when I was looking into the Aironet 1240AG I thought ?No Problem!?
And at first, it is not!
I have the AP and antenna set up here in my office before I take it out and mount it in the warehouse. And I can get connected to it, no security for now, no filters, I just want to connect and make it work.
I stay connected for maybe 3 minutes, I can get to the internet, I can ping all my servers. Full connectivity. But then for no reason the connection fails and I cannot reconnect.
The error I get in the log is
Interface Dot11Radio0, Deauthenticating Station 0006.2510.bbe3 Reason: Previous authentication no longer valid
So strange! So I have reset the AP to factory defaults and then set the SSID, and I can connect, again for a second, then nothing.
I have tried with multiple wireless cards, even laptops. Thinking maybe the problem was on the computer side.
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Jan 27, 2013
I have a Cisco Aironet 1240AG Access Point and I am trying to setup a guest network that is secure and limited in bandwidth utilization. I see an option under security > SSID Manager on the web interface to select an interface of Radio0-802.11G, Radio1-802.11A or both. Can I put the guest network on the Radio1-802.11A and make it more secure/bandwidth limited or does this option not matter?
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Dec 15, 2011
At customer site we have a wireless lan installed with wireless lan controller 5508. This works fine but the customer wants to add wireless bridge WET200 into the network. The problem is that the bridge seems to authenticate and associates with the LWAPP but does not get an ip-address.
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Aug 26, 2012
I have this guest wlan working with web authentication, as you may know in order to get authenticated you must have an IP address first then have a valid username and password. The problem is that if you don't have valid credentials you keep the IP address anyways.I'd like to know if there is a way to release the IPs that are not being used? The WLC is the DHCP server for this network.
-WLC4402
-6.0.202.0
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Aug 6, 2012
This is rattling my brain. I have configured 2 SSIDs, one for internal, one for guests. They are on seperate VLANs (50 and 51) and bridge groups (1 and 2). I can get IPs via DHCP for the internal network, but not for the guest. I can't get DHCP for any VLAN 51 sub-interface, nor clients that connect to it. The overall goal is to keep all traffic on the guest network seperate from the internal traffic, however, DHCP requests will be from an internal server. I have removed all the access-lists for troubleshooting purposes. AP and Switchport configs are below!
AP Config
Current configuration : 4011 bytes
!
version 12.4
[Code].....
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Feb 14, 2013
am trying to connect my laptop withgalax tab via mobile AP configuration, it give me this error {dhcp is not enabled for wireless network connection}
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Mar 4, 2012
A little background on me: I do performance testing for a large corporation, so networking is like an old hat for me - but this has me spinning because it makes no logical sense to me.Here's the layout of my home network:CableModem(passthrough) -> WRT120N -> ENH200 (Access point) -> ENH200 (Client Bridge) -> Netgear N600Both the WRT120N and the Netgear N600 are providing wireless access to clients at both locations. N600 is set not to route or DHCP, and the WAN port isn't used.Initially the WRT120N wasn't in play because the cable modem was serving DHCP, but it wouldn't successfully send DHCP to most clients on the other side of the client bridge. So I installed the WRT120N (old, I know) and it was able to serve up DHCP to any and all systems... for a while. Now DHCP doesn't appear to be working fully again on the Netgear side of the bridge. One device registers in the WRT120N, the client list shows the mac as getting assigned an ID, but the device never actually pulls the address. Static works fine. Those that already have DHCP addresses work like a charm, so I know the link is stable. pingtest.net reports near perfection.
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Mar 9, 2012
I have a question regarding setting up a wireless access point on a network. Lets say my router is going to connect to a switch. The switch puts out 192.168.4. addresses. I want the wireless router to do the same. So I turn off DHCP.Everything works fine and everyone can communicate. Here is my question. How do I ever connect back to the wireless router if I need to change the settings? If the wireless routers address is 192.168.1.1 I cannot get back to it since i am now on the 4. subnet. I have also tried changing the router's ip to an address on the subnet such as 192.168.4.100 but on two different routers this didnt work. One didnt me and said there was a conflict with the WAN IP. The other one would not let me get on the internet.
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Feb 16, 2011
Started this morning woke up checked my phone no wifi hmm weird checked my hp tpuchsmart connected but jo internet access checked my router(netgear wireless N 300) made sure my modem and all wires are connectedNext went to my router ip 192.168.1.1 after reading some forrums i thought maybe if i changed the ip or sum i would have worked i know dumb though.. any way i believe i disabled my dhcp.. and one of the ip ad on the same page to 192.168.1.3 thats when it got worst i tried ipconfig/release saysNo operation can be performed on bluetooth network connection 2 while it has media disconnected.No operation can be performed on local area connection while it has its media disconnected(Its a wireless connection from my touchsmart to my router) I have tried goin back to the routers page but i can no longer find itI have also tried ipconfig/renew but i get this...No operation can be performed on bluetooth network connection 2 while it has its media disconnectdAn error occured while renewing interface wireless network connection : unable to contact your dhcp server. Request has timed out.No opration can be performed on local area connection while it has its media disconnected
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Mar 15, 2012
My router a E4200. the thing is i want to disable the dhcp services from the router, because there are allready a dhcp server in my network. but if i disable the dhcp will the Guest wifi functions still work?
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Jul 3, 2012
I've got an E4200v1 running 1.0.04 firmware with guest access enabled. I'd like to find out who is logged in using the guest access. Is there a way to get a list of the DHCP clients on the guest network? I'm able to do this for the non-guest access via the WEB interface's Status->Local Network->DHCP Clients Table page. But I can't find a similar table for the guest network.
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Nov 22, 2012
Have Win7 and XP systems in my network wire connected to the router. When IP of both systems are not reserved, each computer can see other network computers and devices, five in total.A good thing that both systems get each time same IPs which even got not changed since I upgraded from E1200.When I reserve an IP for each system exactly that they currently have, both systems loose ability to see other network computers. Network shares not affected, I still can remotely access my XP box remotely from my 7 via RDP by computer name. WDTV Live wirelessly connected to the router can get/update its IP address (no connection issues) but same as others cannot see network resources.
Tried different ways, rebooted, finally ended up with device reset pushing the button.The next day I managed to reproduce the issue, but was able to revert by disabling/enabling of DHCP server.Another issue I got with an external HD connected to the router when some files got converted to folders by uTorrent started from that drive.I had to use Unlocker application to be able to delete folders converted. I can just assume that issue because of anonymous access was enabled to the external disk. No problems when same HD connected to PC USB.
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Sep 7, 2012
I have an EA2700 running latest firmware 1.1.38.138827. It is using Cisco Connect Cloud. I am unable to access the DHCP Reservations link under Connectivity/ Local Network. When I click on it, nothing happens. I've tried multiple browsers including IE 10 (Windows 8 RTM), Firefox 15, and Chrome 21. I also tried on a Windows 7 machine with IE 9 and the link doesn't work on that either except that it shows a box that says Invalid Character when I click on the DHCP Reservations link. I see no invalid characters on the screen. Any workaround other than downgrading the firmware or assigning static IPs on individual PCs?Also, on an unrelated note, where is the Dynanic DNS configuration on the Cisco Connect Cloud?
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Oct 8, 2012
We have Cisco Aironet 1240AG Wireless AP's in out network. Now, we have some PC's, laptops and mobile phones connected with with this AP and all devices are working fine. Now suddenly from today when I am trying to associate some new devices to the AP it is not working means the devices are not associating.
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Jan 31, 2012
I have a "standart" settings of Cisco Aironet 1240AG with ENABLED broadcasting SSID, encryption is WPA2 (AES). I can see the wifi network (ssid) with windows system but with MAC OS 10.5 and MAC OS 10.7 also with iPhone the wifi is acting like hidden. But If I manually enter the wifi ssid and set the proper encryption the connection work normally. Also I have a separete windows partition on one MACbook and this windows 7 have no problem to see the SSID of my network. But If i Boot to the MAC OS the WIFI is "hidden" until the manually connection. (same problem on iphone, manuall connect with manually entered SSID is working well).
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Mar 31, 2011
I want to upgrade the ios ap-1240AG me to leave it in standalone mode.What default ip should take my ap?How should we be the tftp command to update the IOS on my ap?I am using tftp server of windows xp?
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Apr 11, 2011
What is the average/maximum distance coverable by Aironet 1300 and 1240AG ???
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