Cisco Wireless :: When AP1121G Joins WLC5508 / RSSI In Whole Coverage Is Almost -35 Dbm

Jul 6, 2011

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.
The versions are as below.

WCS 6.0.196
WLC4404 5.2.157

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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??

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Cisco Wireless :: AP1121G Workgroup Bridge

Feb 12, 2012

Network Diagram
Ping Results Table
Configurations for 1811 router, ap1121g root access point, ap1121g wgb.
Referring to the attached network diagram, I cannot communicate past the ap1121g-wgb in either direction. Also attached is a result table of ping attempts through the ap1121wgb from each side. I don't have a problem with the wireless connections. The ap1121g's associate ok. Based on the ping results the problem appears to be in the ap1121g-wgb configuration. The following two cisco documents have been my main reference, besides the cisco command lookup site.URL

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Cisco Wireless :: Client Joins On WLC 2504?

Sep 11, 2012

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?

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Cisco Wireless :: Root 1410 Bridge Not Showing RSSI Poll In Event Log

Apr 18, 2013

A customer has a wireless PTP bridge using a pair of 1410 bridges.  The non-root bridge event log shows the RSSI polling information message indicating the link's signal strength; ie. -42 dBm.  It updates every few seconds or so.  The root bridge does not show this information in the event log.  Both bridges have the event log configuration options set identically, all messages types are enabled.  I can't find any reference to this in the documents.  Is this by design?  I thought that maybe a root bridge if it was set up as a multi-point might be overwhelmed if it was showing/scrolling RSSI from multiple non-roots. 

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Cisco Wireless :: AP's Intermittently Joins WLC Controller 5508

Nov 27, 2012

Ap's at remote location intermittently joins unjoins the WLC controller 5508. AP's getting IP's from DHCP server located at locan end. [code]

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Cisco :: C819 3G Router - Retrieving RSSI From MIB Walk?

Apr 24, 2013

OID to retrieve the RSSI from a Cisco 819 3G router?  I've just run a MIB walk using Solarwinds MIB walker and it doens't seem to find anyting relating to RSSI, but brings back thousands of other OID information.

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Cisco :: EHWIC-4G-LTE-V MIB - Monitor Current RSSI Level?

Jan 3, 2013

if there is a MIB available for the EHWIC-4G-LTE-V card that would allow me to monitor the current RSSI level?
If I issue the command "show cell 0/1/0 radio" on my Cisco2911 router, I get the following info. I'd like to monitor the "Current RSSI" level in Solarwinds.
Router>show cell 0/1/0 radio
Radio power mode = ON
Current RSSI = -67 dBm
LTE Technology Preference = AUTO
LTE Technology Selected = LTE

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Cisco WAN :: Convert LAP AIR-AP1121G-E-K9 To Autonomous AP

Feb 27, 2011

I want to convert LAP AIR-AP1121G-E-K9 to autonomous AP.

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Cisco :: Any Possibility To Join AP1121G To 2504 WLC With 7.4.x Version

May 21, 2013

I want to join the AIR-AP1121G-E-K9 LAP to an 2504 WLC with software release 7.4.x .In the compatibility matrix i saw that it's just possible if the WLC has the software version of 7.0.x.So my questions are:
1. Why it's needable to upgrade the WLC from 7.0.x to 7.4.x?

2. Is there any possibility to join the AP1121G to an 2504 WLC with 7.4.x version?

3. What's the difference between the releases 7.0.x and 7.4.x

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Cisco AAA/Identity/Nac :: AIR-AP1121G-A-K9 / HTTP Login Privilege Levels

Oct 4, 2011

In CLI we have users log in at priv 1 and use "enable" to increase privilege and do configurations. This allows "accounting" of command history. On the AIR-AP1121G-A-K9 (12.3(8)JED1) I cannot duplicate this for http login.
I can log in as a user at priv 1. When I try to go to a privileged link like "Security" I get prompted for a second login/pw. Nothing works here unless I have a second user defined at priv 15 and enter that login/pw. The problem is - that login/pw can be used to log in via http in the first place which bypasses accounting of the actual user. It also allows login to the CLI at priv 15 which I cannot permit.
username test1 secret 5 abcdxxx
username test2 privilege 15 secret 5 efghxxx
enable secret 5 ijklxxx(code)

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Jan 29, 2013

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

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Feb 6, 2013

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.

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Feb 4, 2013

I have a WLC5508 , we are using external DHCP for WLANs
one WLAN is able to get IP  from DHCP server but another WLAN not , the DHCP server is same , only 2 different scopes.
This is debug
*DHCP Socket Task: Feb 05 21:26:43.106: e8:06:88:9b:a8:04 DHCP received op BOOTREQUEST (1) (len 308,vlan 1, port 1, encap 0xec03)
*DHCP Socket Task: Feb 05 21:26:43.106: e8:06:88:9b:a8:04 DHCP processing DHCP


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Cisco Wireless :: VMware Cannot Get DHCP When Using WLC5508 V7.2

May 7, 2012

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.

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Jun 6, 2012

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)

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Cisco Wireless :: Mesh And Flexconnect With WLC5508?

Apr 4, 2013

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.

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Cisco Wireless :: WLC5508 WLC HA AP SSO And Number Of Interfaces

Feb 25, 2013

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.

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Cisco Wireless :: Setup DHCP On WLC5508?

Apr 17, 2013

Is it possible to setup DHCP on the WLC5508? If i have 2 or 3 VLAN with different Scope and IP range, how can i do?

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Cisco Wireless :: Upgrade WLC5508 To Version 7.4

Feb 6, 2013

We have five cisco WLC 5508 and one WCS .The WLC is running on version at present but we want to upgrade it to but on cisco site at download location , the below thing is mentioned...
WLC Version 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 ?

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Cisco Wireless :: Maximizing Coverage With WLC And LAP1142?

Oct 1, 2012

I have a decent sized wireless network (120 1142 access points on a 5500 WLC) and any tips for maximizing the coverage.  I know the only REAL way to fill true holes is to deploy more hardware, but I'm not sure if my WLC is configured properly to maximize the hardware already deployed.  We have having a lot of issues with low signal in areas I feel are close enough to the AP that they should be good if not excellent signals.  Our initial walkthrough and testing of the areas indicated that the APs we deployed SHOULD have been more than enough, but in real-world conditions it seems like it's not cutting the mustard.

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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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Jun 10, 2011

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Feb 14, 2013

I have to separate internet providers and two different modems (one brand new!) - they both appear to be working fine but I can't get any internet coverage - neither on my macbook air, Mac nor my HP netbook. All say ethernet cable unplugges. I have been on tech support with both providers all morning, and now with a tech guy in the house for the last 2 hours and all indications are that the modems work

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Cisco Wireless :: How To Import Configuration From 4404WLC To WLC5508

Feb 3, 2012

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?

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Cisco Wireless :: WLC5508 VoIP Connectivity Is Broken

Jun 22, 2012

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?

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Sep 15, 2012

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.

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Cisco Wireless :: Several Remote Sites And Centralized WLC5508

Nov 8, 2011

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.

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Dec 30, 2012

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 ( 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.

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May 16, 2012

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If that might be the cause, is it possible to get WLC to 100 Mbps?

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Sep 8, 2010

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:

(Cisco Controller) show>interface detailed management
Interface Name................................... managementMAC Address...................................... IP Address....................................... Netmask.......................................


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Cisco Wireless :: WLC5508 - Ipad2 Can't Join Wi-Fi Using Wpa2 AES

Apr 12, 2012

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.

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Aug 15, 2012

how to set up support 802.11n on WLC4404 or WLC5508 in the 2.4Ghz? WLC4404 supports 802.11n? or support this protocol only in the brochures? I spent a few days, but did not get the result. I'm connected at speeds 65/130Mbit, but the real speed tests never exceeded 45Mbit. The AP from the test laptop is 7-10 meters.I tested the laptops with a Linksys AP E1200-EE ( 40Mhz, FastEthernet uplink port...)and received nearly 100Mbit!
At WLC5508 able to connect at speeds 150/300Mbit/c but only in the 5GHz band, but real speed tests never exceeded 70Mbit.In 2.4Ghz range I connected at speeds of 130/144Mbit/c, but actual measurements showed no more than the 45Mbit.
All tested with iperf and with site
iperf -w64K -s
iperf -w64K -i 2 -t 300 -c x.x.x.x
Laptops: Asus (Atheros AR9002WB-1NG) and Sony (Advanced-N 6230).
My tests AP: 3501I-E and 1252AG-A
SW on WLC5508
AP tested in different variants - open system and WPA2+AES.


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