Cisco Wireless :: Limited P2P Communication And Broadcast Forwarding On WLC4402
Jun 6, 2012
my question regards to a pair of WLC 4402 with 7.0.98.0 software.Actual, our security policy does not really allow any peer-to-peer communication in a wireless LAN. Therefore we set the 'P2P Blocking Action' to drop, and the 'Broadcast Forwarding' feature to disabled (default).But now there is a special requirement for two mobile endpoints to communicate with each other, because one device controls the other.To test the communication, we first disabled P2P Blocking (without success) and further enabled Broadcast Forwarding to bring the communication up. Now it works, but the configuration disagrees with our policy.
1. Is there an alternative configuration as described possible, so that we do not violate the security policy? To allow only p2p connection between the two devices, ist should also be possible to drop any else by an ACL. But how to fix the problem with the broadcast, because of the needed ARP? My idea was to use a static ARP entry, but as far as i know, one of the both devices is not able for it.
2. Because, I did not find any detailed documentation:
2a. with enabled Broadcast Forwarding, the controller forwards all broadcast for any configured SSID, right?
2b. is the broadcast limited to the source VLAN/SSID?
2c. is the broadcast limited to an AP, to an WLC, or is it broadcasted to every AP on every WLC that has the relevant SSID?
we already have two new 5508 but not in an operational state now, because we plan to implement new 3600 APs.Do these WLCs offer more/another circumstances or possibilities?
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Sep 6, 2009
I have problems to connect a MAC-Server from the wireless-network (WLC-4402-50-K9, Version 5.1.163). The wired clients doesn't have problems to connect to the MAC-Server. The connection works over broadcasts. The wireless-network don't forward this broadcasts. The broadcast-forwarding feature is activated. It is no problem to the MAC-server from the wireless-clients. The hole network is in the same IP-network (one broadcast-domain).
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Apr 26, 2013
We have a cisco 2500 wireless controller with LAPs.Our devices require Broadcasting to be enabled. So I had to enabe broadcast forwarding under the Controller tab.It appears this option is a global seeting. Is there a way to enable Broadcast Forwading for an specific WLAN or SSID?Can we isolate broadcast data to an SSID or a WLAN?
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May 8, 2012
Situation: On a Customer Site we have a Cisco ASA5510 in routed mode, and we have 2 networks which are both routed fine. The Customer has one device+ on lets say Network1 and a device2 on Network2.
Problem: Device1 now needs to communicate with Device2. To initiate the communication Device1 sends out a broadcast to find other devices. How can we tell the asa to just take that broadcast from that specific device1 and "route" it through Netzwork2. Is there any chance to get this working?
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Jul 31, 2012
I have 2821 router configured with two subinterfaces. This router is connected on cisco 2960 switch. The trunk on 2960 is configured without any prunning of vlans. I noticed that udp broadcast traffic is being forwarded through my router on native vlan 1 (this interaface do not have ip address configured). Below is configuration:
Router:
interface GigabitEthernet0/0
no ip address
duplex auto
[Code]....
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Nov 15, 2012
we use RV082 as main gateway and need to open/forward around 50 ports to inside. But during setting of the rules I got an error message "The max of Port Range Forwarding is 30 entries. You can't add any more.".
In the online help is explicitely said "4. Click the Add to List button, and configure as many entries as you would like."
How can we setup more than 30 port forwarding rules ?
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Apr 18, 2012
I try to use EAP-TTLS on one of my wireless networks and the 802.1x authentification fails at this moment:
*Dot1x_NW_MsgTask_0: Apr 19 16:04:52.800: 00:16:cb:66:29:bc Processing Access-Accept for mobile 00:16:cb:06:09:bc
*Dot1x_NW_MsgTask_0: Apr 19 16:04:52.801: %APF-6-RADIUS_OVERRIDE_DISABLED: apf_ms_radius_override.c:204 Radius overrides disabled, ignoring source 2
*Dot1x_NW_MsgTask_0: Apr 19 16:04:52.801: 00:16:cb:66:29:bc Resetting web acl from 255 to 255
*Dot1x_NW_MsgTask_0: Apr 19 16:04:52.802: 00:16:cb:66:29:bc apfMsDeleteByMscb Scheduling mobile for deletion with deleteReason 20, reasonCode 2
where I can find what are deleteReason 20 and reasonCode 2?
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Oct 1, 2012
info regarding my LAP521 access points that are refusing to join the WLC4402-12.This is my first lightweight access point implementation and I have 3 LAP521's and 1 AIR-CAP3502I-E-K9 access points on my network.They are meant to pick up ip address from external dhcp server and then join the WLC but only the 3502i joins successfuly while the 521's get dhcp address but do not join the WLC. From the logs, I can see that the WLC is discovered by the 521's and even get a response message from the controller but they are still unable to join as shown in the screenshot below.My WLC is running software version 7.0.230.0 and the 521's are running an lwapp image version 4.2.61.8. [code]
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Dec 6, 2012
We have 2 AIR-WLC4402-K9 devices at a remote location that will both drop their network connections some undetermined time after a reboot. We cannot reach them via telnet, SSH or HTTP. In fact, we cannot even ping them once they drop connection. The only cure we've found so far is to power-cycle the controllers. The controllers are in separate rooms and connected to separate switches. We've confirmed the links are configured as trunks and have the correct speed/duplex settings. I tried updating the IOS & boot loader on one of them but that had no effect on the problem.
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Apr 25, 2011
today i upgraded our WLC4402 from 7.0.98.0 to 7.0.116.0. After the upgrade (also bootloader upgrade) the Aironet 1142 AP's do not joint the controller anymore. Error in log:*spamReceiveTask: Apr 26 11:30:46.301: %CAPWAP-3-DISC_INTF_ERR2: capwap_ac_sm.c:1468 Ignoring Primary discovery request received on a wrong VLAN (21) on interface (29) from AP ec:c8:82:ab:ed:00 Nothing changed in infrastructure. AP's are in VLAN 21, AP-Manager interface is in VLAN 21. Ap-Manager, Management Interface and Dynamic Interfaces are in PortChannel (LAG) = Interface 29.
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Dec 5, 2011
has WiFi controller WLC4402 mac address table and can I show it somehow?
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Mar 12, 2013
I have a Cisco 4402 WLC running version 4.2.112.0 controlling 20+ AIR-LAP1242AG-E-K9 access points running IOS 12.4 (10b). I'm trying to setup an additional AP as MESH. When I try to change the mode from local to bridge, on what will be the rootAP, I get a message stating that bridging is not support on this unit.
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Mar 2, 2013
Is there is is any posibility to run WLC4402 and 104x family in H-REAP mode.
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Feb 14, 2012
I have one WLC 4402 & arround 29 Access point (1130) in our enterprise network. Wireless users LAN segment is diffrent from wired users.Wireless users like Laptop users, Mobile users & ipad users which are connetced with this wireless & using enterprise network.
Presently we are using WEP mode for security key. This WEP key are week & can be cracked easily. so security point of view i want to put strong encription mode.Presently i do not have any radius server.I found there are some modes are available Like WPA, WPA2 with PSK etc.
will there any problem with wireless users to access application after changing the mode? Which mode will be stronger & could not be crack. Could we achieve without radius server or not?
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Sep 1, 2011
Our costumers has implemented 2 AIR-WLC4402-50-K9 with Software Release 7.0.98.0, the wireless infrastructure consist in 2 Root-Mesh-LAP and 8 Mesh connect over-the-air to deploy outdoor coverage.
All the LAP are Aironet 1520 Series Mesh Access Points with equipped with 3 antennas for 2.4GHz and 1 antenna for 5GHz (backhaul).For one year all seems to be ok, yesterday after a power outage of one Mesh-Root-LAP, 5 Mesh-Lap continues reload each 10-12 minutes, on the WLC Log you can see event like a reboot from AP Console, on the LAP console i can capture this event before the reload:
Log on LAP Mesh
%DOT11-6-GEN_ERROR: Error on Dot11Radio0 - Not Beaconing for too long - Current 0 Last 0
%SYS-5-RELOAD: Reload requested by Dot11 driver. Reload Reason:
Radio Not Beaconing for too long ....
LWAPP-5-CHANGED: CAPWAP changed state to DOWN
AP1780-Mesh uptime is 11 hours, 10 minutes
System returned to ROM by power spike
%DOT11-6-GEN_ERROR: Error on Dot11Radio0 - Not Beaconing for too long - Current 0 Last 0%SYS-5-RELOAD: Reload requested by Dot11 driver. Reload Reason:Radio Not Beaconing for too long ....*Sep 1 16:05:43.399: %LWAPP-5-CHANGED: CAPWAP changed state to DOWN
What does it mean? That the beacon signal trasmitted from Root-Mesh-LAP cannot reach the Mesh-Lap and so the Mesh-LAP force a reload?Where we should search the cause? In the power instability or in a interference on the 5GHz radio interface?
On one of mesh Lap I found a strange reason for a releoad:AP1780-Mesh uptime is 11 hours, 10 minutesSystem returned to ROM by power spike
Log on WLC
Log System Time Trap
0 Thu Sep 1 17:31:11 2011 AP Disassociated. Base Radio MAC:00:22:be:41:33:00
1 Thu Sep 1 17:31:11 2011 AP's Interface:1(802.11a) Operation State Down: Base Radio MAC:00:22:be:41:33:00 Cause=Heartbeat Timeout Status:NA
2 Thu Sep 1 17:31:11 2011 AP's Interface:0(802.11b) Operation State Down: Base Radio MAC:00:22:be:41:33:00 Cause=Heartbeat Timeout Status:NA
[Code]....
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Jan 2, 2013
I'm trying to connect to my wireless network using an android device with certificate but with no success.I'm using a WLC4402 7.0.235.3 SSID Security (WPA2 Auth802.1X + CCKM) [code]
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Jun 21, 2007
I made a lot of tests during some days with a wlc4402 and everything was ok.
One day when I tried to reset the system I had a lot of errors (see attach) and could not go on. After changing the image the following output appeared: "RAM Disk Image Integrity Check Failed (Bad Magic Number) Hanging". Now I have no response from the controller.
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Sep 18, 2011
I have AIR-WLC4402-50-K9 WLC i that current IOS is 7.0.98.218 and i upgraded with 7.0.116.0 IOS but after upgrading and reboot the WLC from 15 access point 3 access point are not coming up and 12 are coing up and working fine (4 1142 and 11 1131 series access point) 3 which are not coimg is 1131 series access point. when i login with console to 3 access point its rebooting 2 times and coming on ap: prompt.
In between that i reloaded the WLC one more time because from 15 acess point only 4 aceess point are came up and i also cleck the show boot on wlc its output is 7.0.116.0 (default) 7.0.98.218 (active) so i reload the wlc and checked out of 15 acess point now 12 acess point are up and still 3 are not. And i also checked the output of show boot command its 7.0.116.0 (default)(active) 7.0.98.218
So i things its because of when 2nd time i reload the wlc the remaining 3 access point are getting.
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Mar 1, 2012
I have an issue with my primary WLC AIR-WLC4402-50-K9 running version 7.0.220. After a reboot of the WLC only one AP can join, all others are rejected. After waiting a few hours (about 3) all APs can join the WLC. What I have done is a software upgrade (from 6.0.199.4) on both primary wlc (wlc with the issue) and backup. Following procedure:
1. Reboot primary wlc so that APs failover to backup (succeeded with no issue).
2. Upgarde software on primary wlc
3. To failback all APs from backup to primary I reboot all APs, so that they join again their primary wlc.
A reboot of the first AP was fine, It joined the primary wlc, get new software downloaded, rebootet, joined wlc successful again. Then rebooting the next AP. But this one then does not join the primary wlc for several hours. But it is also not falling back to the backup wlc as the primary is up and reachable. I tried a reboot with the next AP, but same behavior. I was waiting then until both APs were joining the primary wlc again. This happened after around 3 hours. After that I have rebootet all other APs on the backup wlc also. All was fine they immediately joined the primary without any issue. There are no log messages during the time when the WLC does not allow APs to join.. I had similar behaviour last year with version 6 when I rebooted the device. So I dont think this is software related. Also I dont think it's a configuration issue as 1) I have another WLC that uses the same backup controller and this one has the same configuration but works fine also after a reboot. 2) why doesn't it work after a reboot for a few hours, but then all is fine without any config change. After a few hours all is fine for months (until the next reboot).
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May 10, 2012
We are using WLC4402 for our Aironet 1240AG access points. The clients are connecting to the access points and are authenticating to the RADIUS server. I am seeing the logs in Server 2008 but they are being rejected due to Network Policy on the NPS server.
Where do I see the Authentication Type on the WLC4400 or the 1240's? In order for the clients (authenticated via Active Directory user) I have to set the Authentication in the NPS Connection Request Policy to "Allow clients to connect without negotiating an authentication method".
I do not have a certificate on the server and my method options are MS-CHAP-v2, MS-CHAP, CHAP, PAP, SPAP, and allow without negotiating. This RADIUS server was moved from Server 2003 IAS to Server 2008 NPS and there were no issues in Server 2003 IAS. I have all authentication methods allowed and it still gives me the error below. Only when I check "Allow clients to connect without negotiating an authentication method" it allows the authentication to proceed.
Client Machine:
Security ID: NULL SID Account Name: Fully Qualified Account Name: OS-Version:
Called Station Identifier: 00-17-a2-87-54-00: SSID NAME
Calling Station Identifier: 00-41-96-b6-e3-27
NAS:
NAS IPv4 Address: 192.168.90.24
NAS IPv6 Address: -
[code]...
Reason: The user attempted to use an authentication method that is not enabled on the matching network policy.
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Jun 19, 2012
I have an WLC with below details:
Model No:- AIR-WLC4402-50-K9
Current IOS:- 4.2.99.0
Upgrade to :- 7.0.220.0
I wants to upgade WLC with7.0.220.0 IOS. My question is that should i go for direct upgarde from 4.2.99.0 to 7.0.220.0 or is there any IOS version i have to upgarde.
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Mar 14, 2012
I have one WLC AIR-WLC4402-50-K9 which is hitting some bug. So I done RMA for that devices and now i got the new WLC.Now i want to install that RMA WLC in network. So can any one tell me what is the process for installtion of WLC. I already have the old WLC in working now. Which file backup i need to take from old WLC.
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Apr 8, 2010
AIR-WLC4402-25-K9 running 5.2.193.0 and I setup guest internet-only access which worked for 2 days. I change both the "User Idle Timeout (seconds)" and "Enable Session Timeout " to 10hours (36000) as guest was complaining he had to re-authenticate again. Anyways, guest was still able to pickup ip address and logs show that life "appears" fine but he had not internet guest access. He had a Windows7 box...anyways, before I can finish troubleshooting, he had to leave....My question is if there is any issues with Windows 7 that others had a problem...or is it the timers I tweaked - or both?
Thu Apr 8 15:19:06 2010User joe logged in. Client MAC:00:12:f0:99:71:ce, Client IP:192.168.55.110, AP MAC:00:00:00:00:00:00, AP Name:N/A15Thu Apr 8 15:09:28 2010User joe logged in. Client MAC:00:12:f0:99:71:ce, Client IP:192.168.55.107, AP MAC:00:00:00:00:00:00, AP Name:N/A
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Jun 11, 2011
My router keeps on disconnecting?
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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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Feb 20, 2012
I have a WLC 4402 on my network. Recently mobile phones can connect to the wireless network and obtain a valid IP address. This IP is pingable from a workstation anywhere else on the network. However, these phones will not display web pages. They come up page cannot be displayed. I even tried putting Google's IP address in the phone's browser and it still did not display. I can connect through the same WLAN via a laptop or iPad. These devices have no problem displaying web pages. I even went ahead and created a new TESTWLAN with no encyption but to no avail. Same results: laptops connect and display web pages and smart phones connect, gain IP but do not display web pages. Comes up page cannot be displayed. This matters not whether its an iPhone or Android platform.
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Mar 20, 2011
I have two sites.Main site (local) has two Vlans: Vlan1 and Vlan2. Each has its own IP address range.VLAN 1 is the default Vlan and is used for CORPorate traffic. IP range 10.33.4.*VLAN 2 is for guest access to the internet IP range 10.10.10.*I have a WLC4402 on the this site with 2 WLANs: CORP on Vlan1 and GUEST on Vlan2.
Branch site (remote) which has 2 Vlans: Vlan1 and Vlan2. Each has its own IP address range.VLAN 1 is the default Vlan and is used for CORPorate traffic. IP range 10.125.15.*VLAN 2 is for guest access to the internet IP range 10.10.11.*I have an 1141 on this site using HREAP.
Locally, if you connect to CORP, you get a CORP ip address and access to CORP network. If you connect to GUEST, you get a guest ip address and guest access to the guest network. Simple so far....
Remotely, if you connect to CORP, you get a CORP ip address 10.125.15.x and access to CORP network (great). If you connect to GUEST, you get a CORP ip address 10.125.15.x and access to CORP network (not great). This is with the HREAP native vlan ID for the access point set to 2 on the controller.If I set the native vlan ID to 1 on the controller, I can not get an IP address at all.If I do not set the native vlan ID on the controller, I can not get an IP address at all.
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Jan 17, 2013
This problem only seems to affect one of our sites. Every once in a while, several APs would lose link to the 5508 and get stranded. The only way to fix the issue is either to power cycle, or better yet SSH into the APs and use the command "capwap ap controller ip address x.x.x.x", and then they'd automatically rejoin the controller. At first, I thought network hiccups caused the APs to lose connectivity, but there's none that I could find. I have the primary/secondary controller IPs configured in them as well. See log below:
[previous log entries show AP working as intended, then...]
*Jan 18 05:29:29.632: %CAPWAP-3-ERRORLOG: Retransmission count for packet exceeded max(CAPWAP_ECHO_REQUEST
., 1)
*Jan 18 05:29:29.632: %LWAPP-3-CLIENTEVENTLOG: Switching to Standalone mode
*Jan 18 05:29:29.645: %CAPWAP-3-ERRORLOG: GOING BACK TO DISCOVER MODE
*Jan 18 05:29:29.645: %DTLS-5-SEND_ALERT: Send FATAL : Close notify Alert to [ommitted due to security reason]:5246
*Jan 18 05:29:29.704: %WIDS-6-DISABLED: IDS Signature is removed and disabled.
[code]....
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May 23, 2013
I am new to configuring WLC's. Our small business (5-15 wireless devices + 15ish wired) is trying to use a hand-me-down WLC and AP for our office wifi. We have a WLC 2106 directly connected to a 1231G-A-K9 via the WLC's port 8 POE. I am aware Cisco does not recommend this method, but we do not have a configurable switch at our disposal. We do not need separate VLAN's therefore I have left everything untagged. The AP has a static IP setup to allow communication to the WLC since it did not pull one from the WLC.
The AP is getting the correct network information and is showing up on the WLC monitoring page. I am able to connect to the new wireless network and able to ping between devices connected to the same AP. Now here is my question/issue. I cannot get communication from the WLC/AP to the rest of our network via an unconfigurable Netgear switch (FS605v3). After connecting an open switch port from the Netgear switch to port 4 on the WLC, I am lost. I tried giving port 4 on the WLC an address on the office network, but I receive an error stating "the IP information conflicts with another device".
Here is what I have setup on WLC
Virtual - 1.1.1.1
MNG IP-192.168.10.10
AP MNG Ip- 192.168.10.11
Subnet - /24
Gateway - 192.168.10.1
DHCP - 192.168.10.250
DNS - 192.168.10.250
Static Address on the AP's fa0-192.168.10.15
Attempted port 4 setup on WLC
VLAN identifier 0
IP- 192.168.10.25
Mask - /24
Gateway - 192.168.10.1
Port - 4
Our office network setup:
Subnet - /24
Gateway-192.168.10.1
DHCP - 192.168.10.250
DNS - 192.168.10.250
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Mar 31, 2012
i have a client company that needs to extend their network. i am advising them to purchase the cisco aironet 1550. does the wireless AP support all the communication that is generated by SAP business one? Also, if this AP is placed outside on a over their offices, what is the estimate range that it will cover knowing that their offices are only one story high but do have a big shed that contains some production machine and metals everywhere
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Dec 6, 2011
Trying to implement HREAP over WAN between main and remote site. The WLC4402 is on main site. There will be a secondary DHCP at the remote site. Does the switch at the remote site any preparation?
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May 30, 2012
I am having a problem associating an AIR-LAP1142-E-K9 AP to our WLC4402 Controller (running version 7.0.230).I have connected a console cable to the device and when it boots up it picks up an IP address. I have then entered the controller IP using the command: [code] The Controller is set to 'GB' (regional code -E), and has the correct time zone (though I do notice this is GMT and not BST) but when the AP connects it shows the time an hour earlier than the time on the WLC GUI.
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Jun 8, 2011
Wireless communication is dissabled. Please turn on the wireless communication switch. meanwhile it tells me my hardware radio is turned off
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