Accept client according to their RSSI power in standalone access point
I want to only allow users that are near access point with high RSSI power and force other users with low RSSI power to connect to other nearest AP to them
I am using standalone AP 1130g
You can changed the data rates but that's global. You can disable the lower data rates on a given access point that only allows devices that can associate at 48mbps or 54mbps. If you want.
Here is a link that explains the data rates in an autonomous AP.
http://www.cisco.com/en/US/docs/wireless/access_point/12.4_10b_JA/configuration/guide/scg12410b-chap6-radio.html#wp1101903
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Similar Messages
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Wireless Client Authentication issues when roaming Access Points (Local)
I have a Cisco 5508 with Software version 7.4.121.0 and Field Recovery 7.6.101.1.
There are a handful of clients that when roaming between AP's with the same SSID that get an authentication issue and have to restart the wireless to get back on.
From Cisco ISE
Event
5400 Authentication failed
Failure Reason
11514 Unexpectedly received empty TLS message; treating as a rejection by the client
Resolution
Ensure that the client's supplicant does not have any known compatibility issues and that it is properly configured. Also ensure that the ISE server certificate is trusted by the client, by configuring the supplicant with the CA certificate that signed the ISE server certificate. It is strongly recommended to not disable the server certificate validation on the client!
Root cause
While trying to negotiate a TLS handshake with the client, ISE expected to receive a non-empty TLS message or TLS alert message, but instead received an empty TLS message. This could be due to an inconformity in the implementation of the protocol between ISE and the supplicant. For example, it is a known issue that the XP supplicant sends an empty TLS message instead of a non-empty TLS alert message. It might also involve the supplicant not trusting the ISE server certificate for some reason. ISE treated the unexpected message as a sign that the client rejected the tunnel establishment.
I am having a hard time figuring out what is causing this. My assumption is if there were a problem with the Controller or AP configurations then it would happen to everyone. My further assumption is if the client had a problem with their laptop (windows 7) then why does work at other times? So I have checked and the ISE certificate is trusted by client.
Is something happening that the previous access point is holding on to the mac and the return authentication traffic is going to the old AP instead of the new one or something like that which is corrupting the data?
I also had this from Splunk for the same client:
Mar 5 13:44:51 usstlz-piseps01 CISE_Failed_Attempts 0014809622 1 0 2015-03-05 13:44:51.952 +00:00 0865003824 5435 NOTICE RADIUS: NAS conducted several failed authentications of the same scenario
FailureReason="12929 NAS sends RADIUS accounting update messages too frequently"
Any help on this would be appreciated. These error messages give me an idea but doesn't give me the exact answer to why the problem occurred and what needs to be done to fix it.
ThanksFurther detail From ISE for the failure:
11001
Received RADIUS Access-Request
11017
RADIUS created a new session
15049
Evaluating Policy Group
15008
Evaluating Service Selection Policy
15048
Queried PIP
15048
Queried PIP
15004
Matched rule
15048
Queried PIP
15048
Queried PIP
15004
Matched rule
11507
Extracted EAP-Response/Identity
12500
Prepared EAP-Request proposing EAP-TLS with challenge
11006
Returned RADIUS Access-Challenge
11001
Received RADIUS Access-Request
11018
RADIUS is re-using an existing session
12301
Extracted EAP-Response/NAK requesting to use PEAP instead
12300
Prepared EAP-Request proposing PEAP with challenge
11006
Returned RADIUS Access-Challenge
11001
Received RADIUS Access-Request
11018
RADIUS is re-using an existing session
12302
Extracted EAP-Response containing PEAP challenge-response and accepting PEAP as negotiated
12318
Successfully negotiated PEAP version 0
12800
Extracted first TLS record; TLS handshake started
12805
Extracted TLS ClientHello message
12806
Prepared TLS ServerHello message
12807
Prepared TLS Certificate message
12810
Prepared TLS ServerDone message
12305
Prepared EAP-Request with another PEAP challenge
11006
Returned RADIUS Access-Challenge
11001
Received RADIUS Access-Request
11018
RADIUS is re-using an existing session
12304
Extracted EAP-Response containing PEAP challenge-response
12305
Prepared EAP-Request with another PEAP challenge
11006
Returned RADIUS Access-Challenge
11001
Received RADIUS Access-Request
11018
RADIUS is re-using an existing session
12304
Extracted EAP-Response containing PEAP challenge-response
12305
Prepared EAP-Request with another PEAP challenge
11006
Returned RADIUS Access-Challenge
11001
Received RADIUS Access-Request
11018
RADIUS is re-using an existing session
12304
Extracted EAP-Response containing PEAP challenge-response
12305
Prepared EAP-Request with another PEAP challenge
11006
Returned RADIUS Access-Challenge
11001
Received RADIUS Access-Request
11018
RADIUS is re-using an existing session
12304
Extracted EAP-Response containing PEAP challenge-response
12305
Prepared EAP-Request with another PEAP challenge
11006
Returned RADIUS Access-Challenge
11001
Received RADIUS Access-Request
11018
RADIUS is re-using an existing session
12304
Extracted EAP-Response containing PEAP challenge-response
12305
Prepared EAP-Request with another PEAP challenge
11006
Returned RADIUS Access-Challenge
11001
Received RADIUS Access-Request
11018
RADIUS is re-using an existing session
12304
Extracted EAP-Response containing PEAP challenge-response
12305
Prepared EAP-Request with another PEAP challenge
11006
Returned RADIUS Access-Challenge
11001
Received RADIUS Access-Request
11018
RADIUS is re-using an existing session
12304
Extracted EAP-Response containing PEAP challenge-response
11514
Unexpectedly received empty TLS message; treating as a rejection by the client
12512
Treat the unexpected TLS acknowledge message as a rejection from the client
11504
Prepared EAP-Failure
11003
Returned RADIUS Access-Reject -
Hello everyone! I have a specific question?
You can configure the controller to clients so that they can connect to certain access points. For example, we have 4 access points and 5 clients. Clients 1, 3, 4 can be connected to the APs 1, 3, but can not connect to the APs 2, 4. And clients 2, 5 can be connected to the APs 1, 2, 3, but can not connect to the AP 4.
And is it possible to carry out the same operations with SSIDs? For example SSID 1 see clients 1, 2, but don't see clients 3, 4, 5. And SSID 2 see clients 3, 4, 5, but don't see clients 1, 2.
Or that is not practicable?Why this approach. What is the business need. You can broadcast different SSIDs on different Aps via ap groups.
"Satisfaction does not come from knowing the solution, it comes from knowing why." - Rosalind Franklin
"I'm in a serious relationship with my Wi-Fi. You could say we have a connection." -
Band Select - Acceptable Client RSSI.
Band Select, "Acceptable Client RSSI".
Is the RSSI in this parameter the RSSI measured from the 2.4GHz or 5GHz?
Is it the signal the client measures from the AP, or the signal that the AP measures from the client? (I assume AP measures from client).
Also how would you go about determining a "good" setting for "Probe Cycle Count (for a client neutral network)? The default is 2 but I think it used to be 4. 4x200ms (scan cycle period threshold) is 'only' 800ms which is not all that long IMO if it helps more traffic get to 5GHz.
Thank you.
-Dale-Dale,
The RSSI is measured from the 2.4ghz and it's from the AP not the client. Does this work all the time... No it doesn't. The issue you might see from extending the default settings is the device might not connect at all. The client device will make the final determination. You will need to test and decide what works for your devices.
Here Is a good link.
http://itnetworkingpros.wordpress.com/2010/11/10/cisco-band-select/
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Access points wont accept clients on 2.4 GhZ
Hi
We are having some Issue with some Access Points are dropping clients on 2.4 GhZ radio, the radio is if you SSH to the Access Point "Dot11Radio0 is up, line protocol is up".
Our setup is 2 x Wism2 controller (7.5), a CPI (1.4), and around 750 Access points of various types (1121, 1131, 1142, 2602).
If we reset the Access Point from CPI it comes up and it will again accept clients on 2.4 GhZ for a random time period, sometimes it works for some hours, sometimes for a couple of days, total random.
The once we have seen the problem on is as I know 1142:
Software Version
7.5.102.0
Boot Version
12.4.23.0
AP Model
AIR-LAP1142N-E-K9
IOS Version
15.2(4)JA1$
Hope to get help finding a solution.
Best regards
JørgenIf you have a high density deployment, you might want to look at your RRM. What is the power set to on the AP's. If the power is set too low, that can cause clients not to see or be able to join an access point. If this is the case, you need to set the min tx power level for the 2.4ghz radio which is under the wireless tab in the 802.11bgn TPC.
If you have an issue with a certain AP model, it might be a bug, but you didn't mention what model AP is was happening to.
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regarding mountain lion server: clients experience intermittent service connections. the server system log has the following error- Client handshake failed (6):113: Server not accepting client connections. any suggestions would be greatly appreciated - thank you
Hi Jason
I was getting the same behavior after Apple support had me delete some plist files to get Airplay going. I was also getting the following error:
the error occurred while processing a command of type 'writesettings' in the plug-in 'server vpn'
I went into ~/Library/Preferences/ and /Library/Preferences/ and deleted every plist contating the word server. I had to re-set up my server (meaning walk through some intial steps) but all of my settings were still there after that and everything started working again.
Just a thought, obviously try at your own risk but it worked for me.
Kellen -
hi,how can i change the default settings on my adobe readerX1 such that it will display all my pdf files according to their individual cover pages (as cover picture thumbnails)before i click them to open and read........i really enjoyed this feature as a default settings upon installation in previous editions of adobe reader .i use a windows 8 pc now.thank
For sideloaded content the nook pulls the metadata from ePub file itself. I would suggest looking at a program like Sigil or Calibre that will let you edit the metadata in the book to make it appear like you want.
For the PDF vs ePub - No, that's the way PDFs work (think of them as graphics, not text), wheres ePubs are Web Pages - so no you can't them to behave exactly alike without converting the files. -
How to switch from voltage 1 to voltage 2 according to their own times?
Hello,
I am
working with Labview 8.5, I have two voltages with two times from analog
output. I switch between those voltages according to their times. I already
find some help here to can switch from voltage1 to voltage 2 by using flat
sequence… Now, I would like to begin in voltage 1 (for example), and do the switch
from voltage1 to voltage 2, but finish with the voltage that I begin. I think I
can not use flat sequence anymore, because I would like to do v1v2v1v2v1v2v1… I
will appreciate any suggestion.
Sincerely,
Julieta.Here is a simple state machine template to get you started.
Message Edited by tbob on 05-24-2010 01:52 PM
- tbob
Inventor of the WORM Global
Attachments:
StringStateMachineTemplate.vi 14 KB -
i have about 5.6 gb or more non purchased medical books as pdf files.i have just bought extra icloud space to transfer to icloud from my iphone and according to their ad i would be avalaible to read them in my first generation ipad but no action?
sorry cancelling while transferring my question some words gone my question is: they say you are able to read and see what you upload into icloud in one time but i uploaded my non purcahesed pdf files on my iphone 4s with latest itunes version and have latest ibooks version but i can not read my pdf files on my ipad in real time and all settings are made as they said. if not available i will cancel my extra icloud storage why pay more if i have to transfer them separetly
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I subscribe to the Scotsman newspaper through itunes. The Paper is accessed through Newsstand. According to their support I should be able to access the paper on up to five devices, but I can't open it on our mini ipad. Support at the paper can't help. It does work on our other ipad.
I click on Newsstand, then search for The Scotsman. When I click on The Scotsman App there is no option to Download, only the OPEN box. When I click on OPEN nothing happens. It seems to know I'm already subscribed - it shows the subscription under In-App purchases but it doesn't open. I've also tried getting in using Featured and Purchased at the bottom of the screen, but nothing works. Thanks for trying to help.
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Sometimes AP's don't accept clients, no error logging
Hello,
We use AIR-LAP-1242AG-E-K9 ap's and WLC 4.2.176.0
Sometimes I have access points who do not accept clients, you also can't see the AP with a wireless sniffer....
When I reboot the AP, it's working fine again !!!
In the WLC the AP and radio's are up, and no error messages I could find so far ...
Anyone who has/had the same problem ?Have you turned on AP logging from the WLC?
>config ap logging syslog level ?
alerts Logging severity level 1.
critical Logging severity level 2.
debugging Logging severity level 7.
emergencies Logging severity level 0.
errors Logging severity level 3.
informational Logging severity level 6.
notifications Logging severity level 5.
warnings Logging severity level 4.
(Cisco Controller) >config ap logging syslog level alerts ?
Enter the name of the Cisco AP.
all Applies the settings to all APs.
(Cisco Controller) >config ap logging syslog level alerts all?
all
(Cisco Controller) >config ap logging syslog level alerts all
All the logs will then be sent to the syslog server in the WLC settings -
Display all my pdf files according to their individual cover pages
hi,how can i change the default settings on my adobe readerX1 such that it will display all my pdf files according to their individual cover pages (as cover picture thumbnails)before i click them to open and read........i really enjoyed this feature as a default settings upon installation in previous editions of adobe reader .i use a windows 8 pc now.thank
Moving to .NET support forum.
To answer your question; yes, in a WEB app using the DHTML viewer. Go to the properties of the Crystal Reports viewer. Find the property "SeparatePages". Set this to false. There is no such option in a WIN app.
Ludek
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Trouble with BR1410 accepting clients
Hello all, I am having trouble configuring a 1410 bridge to accept clients. I am running SW 12.3(7)JA3. I set the bridge to Root mode and assign basic settings but cannot connect with a client. I can see the SSID broadcasting. Any ideas?
Check if client sees the SSID of the bridge.If not adjust the channel number on the bridge. If SSID is broadcast check for the authentication type.Is it configured same on the bridge and the clients.Refer URL for configuring the bridge
http://www.cisco.com/en/US/products/hw/wireless/ps430/products_configuration_guide_chapter09186a0080606d4a.html#wp1101651 -
Hi everybody,
Can any one help in getting out this. Actually I am acquiring gamma rays from proportional counter into the LabVIEW, Coming to the analysis part, I need to seperate the pulses according to their pulse heights. After seperating them I need to digitise the pulses that are seperated. So I request you to sort out this as early as possilbe.
Thanks in advance.
A.Giridhar Yadav.I am confused about your description. You indicate that you are acquiring the signals but then you want to digitize them later? Any signal processed by LabVIEW has already been digitized because the software only works on numbers, not continuous voltages.
1. How are you acquiring the data from the proportional counter into LV? What DAQ device are you using? What sample rate?
2. What is the duration of the pulses? Gamma pulses from PMT and scintillators are usually rather short.
3. Do you have any log amplifiers or other signal conditioning between the detectors and the DAQ device?
Lynn -
Iteratively accept client requests
Hi,
My server has to accept client requests iteratively. Below are my codes. However, I find that a request is processed twice and after which error of file not file which is somewhere else of my codes is printed non stop. Not sure is it due to the loop. Can someone please advise?
the file not found codes is somelike. if file does not exist then print file not found error.
Socket connectionSocket;
while(true) {
connectionSocket = null;
try {
connectionSocket = listenSocket.accept();
// Read client request & initialize output to reponse to client.
BufferedReader inFromClient = new BufferedReader
(new InputStreamReader(connectionSocket.getInputStream()));
outToClient = new DataOutputStream(connectionSocket.getOutputStream());
String requestMessageLine = "";
requestMessageLine = inFromClient.readLine();
StringTokenizer tokenizedLine = new StringTokenizer(requestMessageLine);
System.out.println("requestLine");
request(tokenizedLine);
} catch (Exception e) {
System.err.println("Error: " + e);
finally {
if(connectionSocket != null)
connectionSocket.close();
}Your code references external classes and methods that you did not include.
Also, it is VERY RUDE to 1) Not be an English speaker, and 2) Post code without asking first.
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