Cisco Wireless :: AP1142 No Longer Joins Controller - WLC5508
Sep 15, 2011
Two months ago I installed a WLC5508 with sw r7.0.116.0 and we installed 8 AP1142 as a start.
10 days the customer calls and says that the wlc logs error messages that says there is an IP-conflict with the management-interface. The conflict source is its own ip-adress!!! He reboots the WLC but the error message keeps coming. After a short while he notices that there are No APs on the WLC...!!!...
After some discussion I suggested that he should disconnect one of the two gig-ports of the WLC (LAG was enabled and in use). He did so and rebooted the WLC for good measure ... The IP-conflict disappeared but still no APs.....
In the DHCP-server (MS Win2003 server), in the AP-scope we also see that the "leased adresses" fills up with "BAD_IP_ADDRESS" (or the sort ... :-/ )
The setup is like this:
- WLC5508 running r7.0.116.0
- WLC has LAG activated and is connected to two different Cat3750G that are stacked
- The management if of the WLC is on the same subnet as the AP1142s, no other hosts on this subnet
- WLC management interface on own subnet as the only host (+ def gwy...)
- APs on their own subnet, no other hosts
- When the APs gets a IP-adress it is possible to ping them from the WLC!
- All VLANs/interfaces on the WLC is tagged, ie a "pure" trunk between WLC and 3750-stack
- Option 43 configured on the AP-scope
- All APs is connected via Power-injector (PWR-INJ4)
WLC5508 => LAG => 2x Cat3750G => TRUNK => Cat2960 with 1x AP1142 => TRUNK => Cat2960 with 6x AP1142
What we have done so far:
- Made sure the port-channel on the 3750-stack was configured: port-channel load-balance src-dest-ip
- Physically disonnected on port of the WLC
- Do "shutdown"on port gig-ports on the 3750-stack and "no shut" on only the one that is still physically connected to WLC
- Do "shutdown" on all AP-ports in the 2960-switches. Clear the lease-pool of the DHCP-server, Deactivate scope, Reactivate Scope and finally "no shut" on all AP-ports
Nothing worked, still no APs on the WLC.
I the connected my PC to the consloe of an AP that was easily accessible and powercycled it. The output can be seen below, the most peculiar was the line : " *Mar 1 00:15:53.351: %CAPWAP-3-ERRORLOG: Invalid event 38 & state 2 combination"
1. It worked initially but after the ip-address confilct and reboot of WLC no APs associate to the WLC. Why??
2. The error message on the AP console: "*Mar 1 00:15:53.351: %CAPWAP-3-ERRORLOG: Invalid event 38 & state 2 combination" What does this mean?
3. Since the AP gets an IP-address an it is possible to ping WLC -> AP, is there some freakish ogre in the Cat2960 that eats up the CAPWAP-packets??
When a ap1121G joins WLC4404,it shows a normal heatmap in WCS. But when a ap1121G joins WLC5508,the RSSI in whole coverage is almost -35 dbm.I copy the heatmaps to the attached files.
I try to configure an AP1131 as OfficeExtend but unfortunately I receive the following message from the debug command on the WLC5508: (Cisco Controller)
*spamApTask4: Oct 04 17:19:18.043: 00:1b:90:74:37:e0 Discovery Request from XX.XX.XX.XX:14847 *spamApTask4: Oct 04 17:19:18.043: 00:1b:90:74:37:e0 Join Priority Processing status =
Well I was trying to get my D-Link DIR-615 router too run DDWRT so I could use it as a wireless reciever.But things have gone wrong, the wireless controller no longer works. and I'm trying to restore the original factory firmware.(this is a spare router we had sitting around it's not an important asset) it boots up fine with DDWRT firmware the wire functions still work, but I needed the wireless functions.I just can't get the original firmware back.
I am seeing a lot of client has joined profile XXX in the logs, and the customer has been saying the PC's are dropping constantly and take up to 5 minutes to reconnect.
I found a lot of Auth flood signiture hits, and disabled the signature as a temp test. I also had one WPA WIC error on one AP. The Auth sig was deteced on several AP's at one time.
Now the question, is it normal to see Clients joining like this, and does the auth flood disable the AP for a short period?
I have deployed AIR AP1142 model access points in various locations and some of them get their Radio0 going down intermittenly and the only way is to do a reload. The log just shows that the radio0 went down.
There are two access points of Cisco AIR-AP1142 (4dbi, 2.4GHz). Settle down at height of 12 meters and at distance of 36 meters from each other. Whether will cover access points a zone on the earth in between? And on what distance on the sides?
I bought cisco AP (air-ap1142-e-k9) and we know this ap works with 802.11a/g/n same the description note on the package cartoon but my problem is when i configure that ap its work only with 802.11a/g i tries to make it works with 802.11n but fail .
I have 2 1142 autonomous APs that I'm trying to set up for bridging. I have a building just across the street and these would work wonderfully to extend the LAN to that building for the few users that will be located there. The distance is only 200'. That's not my issue right now as I'm still in the lab trying to get these things to talk. I've been through the Cisco documentation on this and just can't seem to get them to work. Here are the requirements:
1. I'll have 2 or 3 vlans that will be used by clients
2. I'll have 1 VLAN for network management
3. I'm not using BSSIDs
4. Is it possible to utilize the 5ghz radio for bridging and still have your 2.4ghz clients be able to connect or am I required to set up bridging on both bands?
5. There's also this option for "workgroup bridging". Am I getting confused on this. I've read through it. It doesn't look like the way I need to do things.
I'm attaching the root side configuration. Version is 124-25d.JA2. The non root side is version 124-21a.JA1.
On the non root side, I get error "dot11-4-no_valid_infra_ssid: No infrastructure SSID configured. Dot11Radio1 not started.
I have a Cisco AP1142 Standalone AP at two of my locations. However both of these are being rendered useless every night and require a reeboot to correct the issue, because of the high level of noise and vibrations coming from the extremly loud bands that play there, Someone sugested an enclosure stuffed with insulation but Im afriad of overheating the AP.
We have 4x AP1142 standalone APs in WDS mode with roaming and RADIUS from Windows AD for auth.Everything works as expected apart from two APs that frequently reset Dot11Radio0 interface. The other two are fine.
The config on all APs is identical, version of IOS is the same accross all APs (12.4(23c)JA3). The only way to get reset inteface back up is to "reload". [code]
I would like to know if it is feasible to put those Aironet AP with internet antenna like AP1142 / AP1042 in a enclosure box (Like IP66 grade) box. Will those enclosure box absorb the Radio signal from the AP? or the Radio signal can still survive after passing the box but the Signal Strength be degraded only?
I'm experimenting a strage issue with some AP1142 that prefer getting new IP from DHCP server rather than using the static ip already configured.
I've got more than a hundred of 1142 APs already conected to a 5508, all with static IP, all working fine for about a year.
As i installed 30 more AP, i enabled a dhcp scope on the controller to give IP to the new APs and when the new aps got registered i changed the configuration to static IP.
The problem comes when some of the older AP than have already static ip are gettig ip from dhcp scope.
If i look at my WCS, it reports that this APS are getting DHCP IP because they cannot reach the controller with their static ip. As this is impossible, because the static ip and the dhcp enable scope are in the same subnet in a layer 2 configuration and with the same gateway. (e.g: old AP 10.10.2.10/16; new AP(dhcp 10.10.3.10-50) 10.10.3.15/16; gw 10.10.254.1)
The problem comes when i disable the dhcp scope, all the older aps that got dchp ip from the wlc scope instead of using their staic configured ip are deregistered. If i reset every ap manually, from the swithc disabling PoE, they start to use the static ip and everything comes fine.
This is happening with about ten of fifteen APs from the 100 installed, that is the strange thing because this seem to be very random as the failing APs are installed in different building and connected to different switches.
As now i have disabled dhcp scope and all APs (old and new) have static ip everything is ok, but i will have to add some more APs shortly and every time i enable the dhcp scope on the wlc
i want to Use Cisco AP 1142 in my network. Also new to the enterprise edition AP.I have configured AP WEB mode the SSID and able to connect without the Security Key. Also want to enable MAC Address filter on the AP. Any configuration details on web and CLI Mode.
Prior to upgrade AIR AP1142-N (Version 12.4(25d)JA1) everything worked fine! After upgrade IOS (to new Version 15.2(2)JA) without any config modification, management interface (encapsulation dot1q 33) or any IP interface with encapsulation dot1q became unreachable... If set IP on SVI (or BVI) with native VLAN (encapsulation dot1q 4094 native), this IP is reachable. Probably, there are bug in new IOS and Dot1q encapsulation? (see 'tech-support' in attached files)
Currently we have 20 remote sites, each with 2-5 AP's each. They all connect back to our Main Data Site in the US and register on a single WLC5508.
We do not have a backup WLC, but are looking to purchase one. What I would like to know is, are there any problems with the secondary WLC being installed in our Main Data Site in Europe? These two main sites are connected via a 10M MPLS WAN.
So all the remote sites could still connect to the WLC in the US, but in the event of a WLC failure in the US, they would need to fail over to the site in Europe
I'm using WLC5508 /w 7.0..My client do not get its IP. Status shown "DHCP_REQD".I found in (Cisco Live) Troubleshooting Wireless LANs with Centralized Controllers This related with Enable/Disable DHCP Proxy checkbox. I solved. with Enabling this.But,
1) Why this box have been working correctly for longtime? No one did diable/enable this feature on my box.
2) I guest, ver7.0 Disables this chechbox by default. Or not? I also have others two 7.2 boxes. Those are all Enabled.
I have some problem about dhcp via VMware 7.1. My client connect the wifi and get ip address well, then, i turn on VMware (inside my computer) and set as the bridge mode. I found that my VM cannot get the ip-address from dhcp server and I using WLC5508 version 7.2. I try to connect via Switch, my VM get the ip address well.
looking at doing the site survey before detailed implementation. we plan to use a wlc5508, AP3602, a good tripod/stand, PoE switch and AirMagnet to conduct the site survey. i'm inclined to use a single AP and just a guest SSID and let AirMagnet merge the readings on where i 'locate' the AP (on 1 VLAN)
A customer have a bad coverage in a corner of his branch office. He like to add a mesh AP (MAP) in the near of that corner.
I checked allready the documention about Mesh but i'm not sure if Flexconnect and Mesh works togheter. This MAP is in a branch office and the WLC is in the head quarter therefore he likes to uses Flexconnect togheter with Mesh.
I have a customer who is going to deploy a WLC HA AP SSO setup. I have recommended them to have 4 Gigabit SFP modules in each WLC5508.The customer now asks if it is possible to only have one or two SFP modules in the standby unit ? As he says it is properly not going to go in service one time within the next five years if he is unlucky.
We have five cisco WLC 5508 and one WCS .The WLC is running on 7.0.116.0 version at present but we want to upgrade it to 7.4.100.0 but on cisco site at download location , the below thing is mentioned...
WLC Version 7.4.100.0 will need Prime Infrastructure Version 1.3 to be managed, Version 1.3 is not yet available to download at this point of time
Access Point Model----Cisco 3501i Series
So i want to know, can i upgrade it to this version when we are having the WCS in our network ?
In one week I need to import the config from my 4404 WLC to my new 5508, then I just want to change the mgnt IP address of the 5508 and then bring it into the same mobility group.How do I import the config when the 5508 is straight out of the box?
I have a WLC5508 and 25 LAP 1041. I use two wifi, one with RADIUS for data and other with wpa-psk for voip. The problem is the voip conectivity is broken.How can i improve the handover?
I have WLC 5508 with 6.0 software and kept in main office and 10 sites are connected . I created Group and hreap for the sites AP.Now customer wants the secondary WLC to keep on one another site. And the customer is asking all the configuration like ap group and all should come to secondary wlc automatically . In future also if he create any new group in primary it should come in secondary wlc.And if primary goes down the secondary should controll all the sites and when comes up primary should taken care.Active standbye mode.
I have been asked to setup wireless and we have purchased WLC 5508 and 1142 APs.We have several remote sites and a centralized WLC. The requirement are to have a common SSID (Corporate) advertised across all the remote sites and have that SSID locally switched, and have another two SSID Guest and Mobile tunneled back to the central site (WLC).I want all the wireless (Corporate) clients to use the same subnet as the wired clients at each remote site, the IP assigment will be done by a DHCP server at the central site. The Guest and Mobile users will use a common subnet each across all the site and this will also be handled by the DHCP server at the central site.
I have enabled H-REAP with Centralized Authentication and Local switching but I'm not sure about the second part which is to have a common SSID (Corporate) across the remote sites and localy switched whilst having the other two SSIDs tunneled back to the WLC. Cisco TAC told me to configure dynamic interfaces for each of the remote site but then he said I still wouldn't be able to switch the Corporate traffic localy if I use a different subnet to the wired subnet for the wireless clients.
My problem ist that i have 4 air-cap-1552e APs witch are powerde trugh Power Injectors. They worked fine for a few days but then the controller (7.2.111.3) lose connection to them. Right now i have only one Joined AP. The other 3 are status not joined. I can Ping all 4 Aps and wifi clients are connected through them.
I tried to implement WLC5508 in my network but when I came to connect it to the switch core which is a Catalyst 4000 the link didn't get up. This switch module is a fastethernet, I wonder if that might be the problem since I also tried connecting my laptop to the WLC and the link got up.
If that might be the cause, is it possible to get WLC to 100 Mbps?
I have on my desk a WLC-5508 that I need to setup to ship to a remote location. Normally we configure 4402 model and this model/version appears to be much different. I am trying to configure just enough via the command line to access the GUI via a laptop directly connected to the device. I’ve gone through the Wizard Configuration Tool where you set the hostname, admin account, and management interface (among other things). We use LAG and tagged VLAN on the management interface. I’ve been told in the past this is how we configured the 4402 models via laptop directly connected once the GUI is accessible, but with LAG enabled I don’t understand how a laptop could communicate via trunk, so I've disabled LAG and set the VLAN to untagged. In either case the laptop does not communicate with the WLC. Skipping ahead to my current setup I see the following information via the CLI:
we have a cisco WLC 5508 on which few SSIDs are configured, and two kinds of APs: AIR-LAP1142N-E-K9 and converted AIR-AP1141N-E-K9.
When in WLAN settings we leave WPA2 policy and AES encryption, iPads2 can connect without any problems to AIR-LAP1142N-E-K9, but there is no connection to converted AIR-AP1141N-E-K9. MacBooks, iPhones are connecting without questions.
When we set WPA2+TKIP everything is cool, but other Apple devices can't rich 802.11n speeds((
With only WPA2+AES or both WPA2+AES+TKIP enabled on a WLAN the WLC gets such messages :
Decrypt errors occurred for client xx:xx:xx:xx:xx:xx using WPA2 key on 802.11b/g interface of AP xx:xx:xx:xx:xx:xx
But I know that it can happen when you offer funny encryption combinations that client doesn't like (wpa1+aes, wpa2+tkip). But the advise to try to only enable wpa2/aes for some reason doesn't work.
