4402 controller high LAN utilization(600 Mbps)

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Aug 12th, 2010
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Hi everybody,

I'm trying to configure Cisco 4402 series wireless lan controller on a proof of concept lab, but it's generating extremely high LAN utilization (around 600-700 Mbps) on its connected port to backbone switch. We are using GLC-T on 4402's port 0 for local connectivity. This traffic is starting even we do not use any access points in wireless network.

I configured controller 2 times after resetting to factory default, but the result is the same.

Best Regards

Ozan Oguz


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dancampb Thu, 08/12/2010 - 06:34
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This is not an issue I've heard of.  Are you managing the controller with a SNMP device?  I would suggest you start with a sniffer sourcing the ports going to the controller to see what the traffic is and where/to its going.

Ozan Oguz Tue, 08/24/2010 - 05:38
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problem has been solved by adding "switchport trunk allowed vlan x,y,z" command to the backbone switch.



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