Cisco Wireless :: AP1130AG - Unable To See Other Clients On Same AP
Jun 25, 2012
We have 3 AP1130AG installed on our network with 2 VLANs. The APs are set up with two SSID, one for each VLAN. If two devices are connected to the same SSID on the same AP, they are UNABLE to ping/communicate with each other. If two wireless devices are on the same SSID and different APs, they are able to ping/communicate with each other. When the two devices are connected to the same AP/SSID, I can ping both devices from a server that is wired connected. I need to figure out why I can't ping/communicate between two devices that are connected to the same AP and are on the same SSID/VLAN. Below is the current configuration of the wireless AP.
Building configuration...
Current configuration : 2897 bytes
!
version 12.3
no service pad
[Code]......
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Mar 12, 2013
I have a problem in join my ap1130ag in my wlc 2504 i activate dhcp internel (172.19.1.50 ----> 172.19.1.60) in wlc and this wlc affected address for ap1130ag (172.19.1.51) wlc and ap1130ag is connected with switch 2960 (port 17,18) this port the switche is configured in trunk mod allowed all vlan then my wlc not detected ap1130ag?
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Feb 5, 2013
I have 19 locations, each with 1 or more LAP1142N AP's in FlexConnect mode, AP's are primed using CAPWAP to my 5508 WLC at the datacenter. The AP's join the WLC without issue every time. I have two WLAN's, one guest and one staff, the guest network is open and obtains DHCP from a WatchGuard XTM33 firewall at each of the remote locations. The staff side is WPA2/RADIUS and DHCP is assigned from the WLC. Each AP is assigned a static IP that is not in the DHCP scope. For example: DHCP scope on the branch firewall is 192.168.1.10-250 the AP will be assigned static IP of 192.168.1.1.. The AP's are connected to a HP procurve switch that has a untagged VLAN, the firewall is using the native vlan 1 and so is the AP.
I have been running this network for over a year and it has not had a single issue until the last two weeks. Nothing on the network has changed or has been upgraded.The issue I am seeing is that clients are no longer able to connect to the AP and do not get DHCP assigned to them. I am able to get it working, if I remove the static IP from the AP, the AP will reboot, join the controller, then begin working, users can connect and DHCP is assigned from the firewall as it should. However, If the AP then reboots, the AP will join back to the controller but no clients can connect nor do they get a DHCP address. So, I then reassign a static IP to the AP again and it reboots, connects to the controller and clients then can connect and get DHCP.i've found several posts on this topic, in fact the patch of unassigning or reassigning static IP is one that I found. I am also waiting on my SmartNet to start up and will be contacting Cisco support as well.
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Feb 26, 2013
I have an MSE 3355 running 7.4.100.0, Cisco Prime Infrastructure 1.3.0.20 and 6 wism2 running 7.4.100.0. MSE was correctly added to Prime and assigned to maps and controllers. Context Aware Service is Enabled and Up and I have a permanent license installed with a limit of 3000 elements. The appliance is not able to perform client or rogue tracking. This is what I see under Services->Mobility Services Engines->Context Aware Service->General:
Version7.4.0.38 Operational StatusUpNumber of Tracked Wireless Clients0Number of Tracked Tags0Number of Tracked Rogue APs0Number of Tracked Rogue Clients0Number of Tracked Interferers0Number of Tracked Wired Clients0Total Elements Tracked0Tracked Elements (Wireless Clients, Rogue APs, Rogue Clients, Interferers and Wired Clients) Limit3000Tracked Tags Limit 3000
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Jun 12, 2012
I have a 5508 WLC and 40+ LAP1142N APs spread across 19 locations that allows staff to connect to our private network via wireless. I recently deployed about 40 new laptops all identical make and model HP ProBook 4530's and all have the same client setup for the wireless. Out of those 40 laptops I have 4 that will not connect to the private network. However, these same laptops will connect to my public, open wireless network without issue. In addition to the 4 that will not connect all the others will prompt twice for network authentication.Now, I have about 10 other laptops that are not the HP model and all connect without issue and without dual propt. I don't think this is a wireless network issue but could be some type of issue with this model of laptop.
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May 29, 2013
While trying to connect to WiFi at remote sites APs, the connection is getting time out.User are getting error as 'Unable to connect to <WiFi-SSID>' The APs at corporate office are functioning properly and user are able to connect to the APs.
Wifi Controller: 2504 Software ver: 7.3.101.0
Authentication 802.1x
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Jun 9, 2012
Very strange problem with an EA4500 running 2.0.37.131047. Set it up in no time with a Mixed network on WPA2 Personal, Internet's fine, but I can't see any of my wired clients. They don't ping at all. Even stranger, if I plug into another wired switch port with my laptop, I STILL can't ping the other clients. One is a NAS and one is a network printer so there are no firewalls involved. I power cycled the printer but in vain. I've already reset to factory defaults once, but that didn't work. I'm thinking I'll need to return it.
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Feb 1, 2011
I have 4 desktops cat5 to Dlink DIR 615 router. All work fine. Any wireless clients, laptop or netbooks, see the desktop computers for a while then disconnect somehow. All machines can see the Internet through the router at all times. The desktops disappear from the laptop/netbooks but the wireless machines can be seen from the desktop computers but clicking on them gets 'Access Denied' message after a wait.3 desktops = XP, 1 98SE. All laptop/netbooks = XP
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Jan 9, 2011
I had an unusual circumstance come up on an older PIX 525 (6.3(5))
On a recent remote site visit we made a connection to our main office using ver 4.9 of the Cisco VPN Client for OS X. While we were working on a server, the macbook went to sleep shutting down the network interface the VPN Client was using.
From that point forward we were unable establish any layer 3 connectivity to the LAN in out main office using that PIX as a VPN head end. Any connections that were attempted to that firewall would complete and be assigned a client IP from the correct pool but without access to the LAN on the inside interface.
We tested this from multiple external locations using multiple systems, cleared SA's and even debugged IKE and IPSEC using an alternate connection method. There were no errors reported on the firewall but there was also no connectivity.
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Jan 28, 2013
We are configured the Remote IPSec VPN on cisco 1800 series router.The Clients are able to login to VPN and access the local corporate network Servers . But VPN Clients are not able to communicate with other VPN clients using their VPN Adapter IP.
Components used :
CISCO VPN Client 5.7
Router 1800 Series
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Feb 12, 2013
Im facing with some DHCP lease issue and its like this,Our Cisco 2951 edge router is configured with local dhcp pool for a set of remote users when they connect through Cisco VPN which was working fine until we planned to change it to a Windows box that is configured for DHCP.The basic idea now is to relay the DHCP requests that are coming from the remote clients through Cisco VPN to the DHCP Windows server. So we added the scope on the server and changed the client config on the router as follows (highlighted is the dhcp relay config). [code]
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Jan 1, 2013
I have a Cisco 1721 router with an ADSL wic. I have followed guides on the Cisco website so that I can connect the router to my home adsl connection. The router connects to my broadband provider and sucesfully obtains an IP address along with Dynamically assigned DNS servers. I am able to ping google.co.uk from the router but not from clients attached via DHCP.
I have noticed that if I ping the IP address of google.co.uk from a client it resolves but it will not resolve the name. This would lead me to believe that the problem lies with DNS resolution/forwarding but I do not know how to investigate further.
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Apr 14, 2013
We have had an active ACS unit for many years now, and we've added a second one, both are 1121 Appliances. The newer one came with 5.4, so we upgraded the older one to 5.4.
We setup replication between the two, with the newer one primary and the older one secondary. Problem is, windows based clients are unable to authenticate to the older ACS appliance. The only problem we can see is that it indicates that adclient is not running, under Monitoring & Troubleshooting, ACS Health Instance Summary.
So... been trying to figure out how to correct this, yet have been hard pressed to find a knowledgebase article that works. So far, Cisco hasn't added my smartNet on the new box so I can get some support?
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Jun 18, 2012
I have a ASA5505 and it has a vpn set up. The VPN user connects using the Cisco VPN client. They can connect fine (the get an ip address from the ASA), but they can't ping the asa or any clients on the network. Here is the running config:
Result of the command: "show running-config"
: Saved
:
ASA Version 7.2(4)
!
hostname ASA
domain-name default.domain.invalid
[code].....
what I need to add to get the vpn client to be able to ping the router and clients?
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Nov 5, 2012
We currently have an ASA 5520 communicating with 10 ASA 5510's, all on static outside addresses. I was asked to add 5 additional 5510's on dynamic address. All worked well in testing until it was decided that some of the dynamic clients needed to talk to each other.
My testing shows packets just dying in the 5520.
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Jul 6, 2012
I have a Netgear WNDR4500 running the stock firmware, acting as a router for my home. I also have 2 routers that are flashed with DD-WRT (Linksys WRT54G and Asus WL-520GU) running as client bridges. The Netgear is 192.168.1.1 and the other 2 client bridges are 192.168.1.2 and 192.168.10.3. The Netgear router is performing DHCP giving addresses from 192.168.10.100 to 192.168.10.254. I have numerous machines connected to the Netgear, wirelessly and wired, and numerous machines wired to each client bridge. All machines have IP addresses that are 192.168.10.100, 192.168.10.101, 192.168.10.102, etc... Everything is working fine, but I have one question: When I access the Netgear router, it shows the client bridges as clients, machines that are wired and wireless to the Netgear router are listed as clients, but the client list does not show any clients that are connected to the client bridges. I assumed that since the router is performing DHCP that all clients would show up.
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Feb 29, 2012
I have a strange issue on my ASA 5510 (8.4). I can't ping or connect to the VPN clients but the VPN clients can ping/connect to any inside resources. I have checked all the NAT extemtion entries.
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May 10, 2013
I just purchased a WAP 321 and followed the setup wizard. Its powered by a poe switch. The issue I have is no clients can connect to it. I updated the firmware. I reset to factory and tried setting it up manually till no one can connect. I dont understand what im doing wrong here. Unless its a bad unit. I will have about 10 to 15 clients connecting to it. Its the only ap in the building.
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Mar 8, 2009
I'm monkeying around with an 881-W. Clients can associate and authenticate to ssid 'test', but they cannot get a DHCP address. Clients plugged into f 0 - 3 get DHCP addresses just fine.
I've looked at a lot of different guides, ran debugs etc. When wifi clients make DHCP requests the server never gets them. So there must be some IRB thing going on.
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Aug 29, 2012
I've problem with a WLC 2504. Some Clients like phones and Thin Clients get an IP 0.0.0.0.Software Version is 7.0.235.0. Test with a Laptop seams to be OK. Some printers also got an 0.0.0.0.Around 30% are not OK. also had the log: Impersonation of AP with Base Radio MAC 00:yy:yy:yy:yy:yyusing source address of 00:xx:xx:xx:xx:xx has been detected by the AP with MAC Address: 00:yy:yy:yy:yy:yy on its 802.11b/g radio whose slot ID is 0 The problem is, I cannot go to 7.2 version because I have 2 x AP 1231 and 2 x 1242 AP's.1231 AP's are not anymore supported in 7.2 Version.
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Dec 21, 2010
Can you get a list of associated clients from an WAP4410N? How can you tell who's connected?
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Oct 29, 2011
I have had trouble with my DIR-651 router since i bought it. To put it simply, if there a device connected to the wireless network, no other device can connect. Here are the devices i have:
hp pavilion running fedora 15
hp touchpad (webos)
htc thunderbolt (android)
dell inspiron (? work computer..not here right now) running windows xp
I am running wpa 2 using AES encryption in wireless mixed b/g/n mode (I have tried all other permutations of BGN. On the devices that will let me see error logs, all i get is "authentication invalid" errors.) In a few rare cases, i am able to get a second device connected by disabling the first device, connecting second, and reconnecting first.I am running the newest firmware 1.10NA.
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Sep 17, 2012
we have the following situation:
- 2 x WLC 5508 with about 80 - 120 access points (Aironet 3500) each
- 7 x WLAN's with different security settings
- 2 x ACS 5.3
On one WLAN we have the problem, that the students with their own laptops have to enter their AD username about 4-5 time, until they get a successfull 802.1x authentication. The WLAN has the following configuration:
- Hidden SSID
- Only 802.11b/g
- Interface assigned via AP Groups
- WPA2 / AES with 802.1x or CCKM (here I could only allow 802.1x, the clients do not need fast secure roaming)
- Authentication via ACS 5.3 and PEAP
- for more details see screenshots below
Most of the time I can't see any 802.1x authentication attemps on the ACS View, but when there are entries, they are successfull. So in my opinion I think there has to be a problem on WLC side, but I don't know where to search further. We already deactivated the client load balancing in the WLAN, because at the beginning the customer wanted to activate that - but it was clear that there are a lot of clients which had to authenticate multiple times.I know there were some bugs in the 7.0 train, so I upgraded finaly to 7.0.235.0 to overcome this bug here: CSCty07036.To fix the other bug (CSCtt70290) I just disabled all the session timeouts on the different WLAN's.
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Mar 29, 2012
I have new 2504 WLC + 1041LAP. I configured the first DHCP scope on WLC and the first WLAN. Then I set WLC DHCP server in WLAN properties and tried to connect to WLAN with wireless clients.
My wireless clients are able to authenticate on WLAN, but not able to get IPs from DHCP. The only lease that DHCP shows is for 1041LAP.
If I set permanent IPs on my wireless clients, they can connect and ping WLC.
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Apr 12, 2012
I have a Cisco 877w (configuration shown below) and i am trying to use a Photo Transfer App on my iPhone4s and iPad3 which allows transfer of photos and videos between the devices using WiFi, the only thing is i cannot get my devices to communicate with each other and i suspect that this is to do with the configuration of my router as the app works perfectly using bluetooth but obviously a lot slower. I cannot even ping the devices from my pc which is also on the same WiFi network. How i should tweak my config?
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Jun 20, 2010
As I posted about in the other AP541N thread about degraded performance, mine did a strange client disconnect last week. It dropped all authenticated clients, but they all thought they were still connected. A quick disable/enable of the wireless card on the laptop would get the computer back on the AP.
This same thing happened again today.
Device information and configuration:
Device: AP541N
H/W: V01
[Code]......
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Dec 6, 2011
The environment: 20 X air-ap1141N-A-K9 (these are standalone) in three different buildings with either 1 or 2 units per floor depending on sq. footage. IOS is c1140-k9w7-tar.124-25d.JA1.
Problem Users running various tpyes of wireless cards on windows XP SP3 get disconnected periodically throughout the day whether they roam or not. This disconnect problem started happening after we replaced older 1200 series units running wpa and tkip and replaced with 1141n running wpa2 with aes. Users running windows 7 do not get disconnected. However there are very few W7 users on campus as this point in time.
I set up a single test unit shown below and associated two laptops to see if they would disconnect. Not once did I lose connectivity. NAME: "AP1210", DESCR: "Cisco Aironet 1200 Series Access Point"PID: AIR-AP1252G-A-K9 , VID: V03, SN: FTX1339903J NAME: "Dot11Radio0", DESCR: "802.11N 2.4Ghz Radio"PID: AIR-RM1252G-A-K9 , VID: V01, SN: FOC1337107F IOS: c1250-k9w7-tar.124-10b.JDA3
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Mar 13, 2012
We have cisco ap 500 series, it was lightweight, but we migrate it to standalone, now, the scheme is simple.We have a router 2811 and dhcp created on it, also we have f0/0.30 virtual interface with ip of 10.10.30.1.On switch one interface (trunk) goes to router f0/0 interface, and one interface (access) goes to ap.On AP we have BVI interface with 10.10.30.10, and default route to 10.10.30.1.So when we connecting to our SSID, it connect but doestn receive DHCP, and takes APIPA address, why ap doesnt assign ip to clients.
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Jul 27, 2012
I have a dozen clients on an 1131AG and they cannot ping each other. I get a reply but it says destination host unreachable.
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Oct 17, 2012
We got a 3310MSE that does not track clients.,rogues etc for some reason.
- there are no firewalls between PNCS and MSE
- clocks are synced up with NTP
- CAS is running on the MSE
- I have added controllers and a test site with clients and is synced up with the MSE.
- Have enabled tracking under tracking doe clients and rogues excluding adhoc rogue APs -we only have 100 element license.
The only other thing worth mentioning is that MSE is running version 6 firmware and the controllers are 7.0.220 but I do not think this should prevent MSE from tracking devices. [code]
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Nov 23, 2011
I have configured 5508 with multiple APs but clients on the internal SSID aren't getting an IP address. I have the IP helper address configured and I have also disabled DHCP proxy on the controller.
I get the following from the client debug, I don't know what the below mac address is, it's not one my APs or the clients, I am not seeing this mac address on the controller at all but it shows up in the debug.
type = Airespace AP - Learn IP address
on AP 6c:9c:ed:87:23:c0
*Dot1x_NW_MsgTask_0: Nov 25 16:14:17.579: 08:11:96:20:94:28 Entering Backend
[Code].....
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Jan 8, 2012
I have 3 AP541Ns setup in a small environment. The wireless clients use laptops to attach, via RDP, to a Microsoft Terminal Server. They need the ability to walk, with laptop, from room to room, IE roaming wireless clients. The issue is the clients drop and re-attach constantly and takes up to 5 minutes to re-attach to the WLAN / RDP session. Is this a symptom of going from WAP to WAP and is their anything I can do about it.
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Nov 18, 2012
I need know how many clients can associate for this AP model
AIR-CAP3502I-A-K9
AIR-LAP1131G-A-K9
I have 45 clients currently associated with each AP.
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