Flooding Laptop MAC

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when a specific laptop is turned on all other wireless devices lose their connection but when that laptop is connected to the switch with an ethernet cable the connections are all stable.
typically when the laptop is connected via wireless we (7 other laptops and iPhones, occasionally more devices) all have connections dropped every minute or more.


I have tried updating the drivers on that laptop but they are already up to date, I have tried so many things that have been suggested but nothing seems to be working other than keeping it plugged into the switch constantly which is not an option for us.


the laptop also shows 100% disk usage directly on start-up when nothing else is running. sometimes stopping superfetch and windows search will search will help but not for long and sometimes not at all


I am hoping someone has an idea of what to do here.


Please suggest me which Extreme Controller and AP for avoiding this type of problem????
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Alok Shukla

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Posted 5 days ago

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Ronald Dvorak, Embassador

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Please provide the following information...

- controller and AP model
- controller software version
- model of the laptop
- model of the WLAN adapter in the laptop and driver version
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Andrew Blomley, Employee

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I would look at a remote debug packet capture from the ap in question

This will give you an idea of what the traffic is.

In most cases this is either a drive or hardware issue of the client
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Eric Burke

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Does turning off the networking support on the laptop (disable nic and wireless nic) change the cpu behavior?
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Hakim HAMOUCHE

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Try to disable ipv6 on this laptop
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Alok Shukla

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Currently, we are using ruckus, we just want to switch over Extreme if there is any feature available on Controller level to restrict such type of MAC. 
or we can say restrict particular broadcast or multicast packets.

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Andy Holden, Employee

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Hi

One comment you said "the laptop also shows 100% disk usage directly on start-up " could be an indication of MALWARE.

Since it is only one laptop, I would suggest you isolate the PC until it can be re-imaged
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Rich Pacheco

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Hi Alok,

I'm not sure if this is the same problem, but we ran in to an issue where a student bridged their wireless interface with another interface (not sure why) and it was triggering spanguard on the AP port.  The AP would disconnect, the laptop would associate with the next closest AP and the same thing would happen.  It took us a while to track down the laptop and even longer to figure out why it was causing it.

Good luck,
-Rich P.