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/
Sent from my iPhone

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Hi,
We have 2 SSID's. One configured for WPA\TKIP and another configured for WPA2\AES.
All clients have both SSID's configuration deployed via group policy with the WPA2\AES SSID being given priority in the windows supplicant.
However, I am seeing that some clients will connect to AP's using the WPA\TKIP SSID even when they support WPA2\AES and are configured to use WPA2\AES SSID first.
I've been trying to understand why this might happen and I was thinking that perhaps the band select feature could be causing this for clients with only b\g\n radios. By delaying the probe response to the probe request for the WPA2\AES SSID the client then selects WPA\TKIP SSID.
Has any else seen similair behavoir?
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I have to say it sounds like a client issue. Capture 802.11 and see what is being negotiated by the client and ap.
"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."
"Im like bacon, I make your wireless better"

What does per Wlan Band select and load balancing do ?

Good morning.....We recently upgraded our controllers from 4.2.185 to 6.0.188 and have noticed many clients having connectivity issues. We have Aggressive load balancing turned off globally but have noticed that band select and load balancing are enabled on the
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I believe we never had load balancing turned on when running 5.2 code. We jumped from 5.2 to 6.x temporarily and then to 7.0 within a 30 day time frame this summer. We're a large university and we had very few users on WiFi during that time.
The Macintosh laptops are having nothing but trouble since school began, and I have gone over everything and found that band select is turned on as well as load balancing. Since band select didn't exist in 5.2 (I believe) I know it wasn't on. As for load balancing, I don't believe it was on, and I discovered it was turned on when recently reviewing our configs.
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i have a macbook pro mid 2012 and i can't connect to a 5ghz N with 40mghz any one can help me to enable band select and known what can it be the issue?
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Hi Fernando,
You can configure band-select for a wlan like below. You may need to momentarily shutdown your WLAN to do this.
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**** Pls rate all useful responses ****

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Can anyone please confirm if the Band Select feature (ie encourages clients to use 5GHz band) is supported on the AP3600 and AP3700 access points?
Thank-you.

Hi Marvin,
Yes , supported. It is configured globally under Wireless > Advanced (only parameters ) and can be enabled/disabled per SSID.
Regards
Dhiresh

Details about Band Select feature

Hi Board,
currently I want to prepare a WLC test series. Now I'm stuck at the Band Select feature. I'm not clever enough to completely understand the functionality by reading the 7.2 software configuration guide or this document https://supportforums.cisco.com/docs/DOC-20630.
This is how I understand the single settings and timer.
In my examples the default settings are assumed:
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- Scan Cycle Period Threshold: 200 ms (default)
- Age out dual band: 60 seconds (default)
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- Blue arrows indicates usage of the 5 GHz band
Case 1: Client ignores band select
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- Probe requests from the client, which are within the scan cycle period, are ignored - the probe cycle count is not increased (dotted line)
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Case 2: Client doesn't ignore band select
- After the first (initial) probe request of the client, the probe cycle count is already increased by one (so it is "1" right now)
- Because the client does not receive an answer to the initial probe request, it tried to send the probe request in the 5 GHz band.
- The 5 GHz probe request is answered immedately.
- Then the client is associated to the SSID in the 5 GHz band. Probe requests by the client in the 2,4 GHz band within the "age out dual band" time (60 seconds) are ignored by the AP.
When does the "Age out dual band" timer actually starts decrementing? After the clients successfully associated to the 5 GHz band OR after the AP sees the first probe requests in the 5 GHz band? How does the AP know that probe requests in the 2,4 GHz and 5 GHz band come from the same client? The radio interfaces of the client have different MAC addresses! So how does the AP know, that probe requests in the 2,4 GHz band (MAC A) comes from a client, which is already associated in the 5 GHz band (MAC B)???
Are my assumptions right? Does someone have paper or a link, which describes this feature more in depth?
Best regards
Joe
Edit: Case 2 extended by the "age out dual band"

Band select steer A/G client to use A and doesn't work other way.
Client will keep probing even after client associated to AP, however AP doesn't care those probes if they're already connected to it.
When does the "Age out dual band" timer actually starts decrementing?
as soon as wireless client connected to AP on 5ghz
How does the AP know that probe requests in the 2,4 GHz and 5 GHz band come from the same client?
Wireless client uses same MAC irrespective of Radio 2.4/5ghz is used, Physical device has one MAC only, unless custom wireless driver used to create virtual MAC at software.
If there were one MAC address per radio then it is possible to connect to two different WLAN, Use one b radio to talk to AP and use the A radio for bridging.

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 ideas???)

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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:
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Hello experts,
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Sent from Cisco Technical Support iPhone App

Submit Button Acrobat 9 Pro & Select Email Client Screen

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Hi ,
I am using the livecycle and invoking the process via email and its working fine. But whenever i clicks the submit button it always opens with MS outlook email client.
use my current email program is checked in computer defaults of internet option but if i use my web emails( like yahoo and gmail ) still it opens with MS outlook . So how can i disable this option or how can i enable the option Select EMail Client tpo select the email client based on the user.
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Thanks,
Dhiyane

Hi
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Hello,
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Have you turned on AP logging from the WLC?
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alerts         Logging severity level 1.
critical       Logging severity level 2.
debugging      Logging severity level 7.
emergencies    Logging severity level 0.
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all
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Band Select - Acceptable Client RSSI.

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