Cisco Aironet 1240AG Series Access Point

Experts,

Running 4 self managed Cisco Aironet 1240AG Series Access Points.
WAP's have been working for 2 years and all of sudden all 4 units now state:
Packet to client 001b.6317.a954 reached max retries, removing the client.

They are kicking all clients off every 5 minutes so what they tell me.
I increased Max. retries to 128 (max setting)

There is never more than 20 clients connected to one of the WAP's.
If more info is needed feel free to ask.
Please advice,
LVL 1
wolf2008Asked:
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wolf2008Connect With a Mentor Author Commented:
Yes, I deleted the SSID profile and re-created. Also, selected channels freq. according. They have been working for 10 days now.
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4eosCommented:
Who is client 001b.6317.a954?  What piece of hardware is it?
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wolf2008Author Commented:
Sorry its multiple mac addresses ( client computers, pc and mac ) Not just one certain mac.
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TAMSCODANCommented:
Check you MAC Address authentication entry, it may be that you have used the maximum allowable clients. If so you may need to clear the MAC Address authentication or disable it.
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wolf2008Author Commented:
Where is that located ?
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TAMSCODANCommented:
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PugglewuggleCommented:
Yes, that sounds like it could be the problem. Let me know if that doesn't fix it.
Cheers!
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wolf2008Author Commented:
TAMSCODAN: do i have to connect a console cable and type that cmd in?

I did a reset to factory default on the WAP and right of the bat im getting this:
Mar 1 00:16:11.839  Information Interface Dot11Radio0, Deauthenticating Station 0011.24c0.b108 Reason: Previous authentication no longer valid  
Mar 1 00:16:11.838 Warning Packet to client 0011.24c0.b108 reached max retries, removing the client  
Mar 1 00:16:10.547 Information Interface Dot11Radio0, Station 0011.24c0.b108 Reassociated KEY_MGMT[NONE]  
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TAMSCODANCommented:
yes that would be via CLI
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wolf2008Author Commented:
Is there anyother way to reset it?
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TAMSCODANCommented:
not shure
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wolf2008Author Commented:
Can someone provide more information about how to connect to the WAP?? What type of wire is a CLI cable? What software do I connect to the WAP with?
Thanks!
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TAMSCODANCommented:
You need to use a Console Cable, it has a Serial DB-9 connection one that connects to the back of your computer and an RJ-45 connection on the other. You may need to set your speeds on your terminal server client such as hyper terminal to:

COM 1
9600
8
2
1

no flow control

If these settings do not work you may need to review your product manual that should have the instructions on how to connect to your WAP through a console (serial) cable.
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wolf2008Author Commented:
Thank-you. I will try that.
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typertecCommented:
Did you ever get this resolved? I've noticed my 1231 doing this to my handheld HP pocket PCs.
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typertecCommented:
You went into the AP, deleted the SSID, and then re-created it? Good idea. I'll try that.
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wolf2008Author Commented:
Yes sir.
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