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Symbol LA-4137's (Spectrum 24 Hi-Rate) sends repeated LEAP auth requests

Anyone using the Symbol LA-4137 ?

I'm troubleshooting at a hospital and they have many of these Symbol LA-4137 connect to a Alaris Pump. LA-4127 client is setup for LEAP and is sending 5 authentication packets per second. The radius server sends back a success only to get another re-auth request immediately. The network is Autonomous 1220s running 12.3(8)JA with WDS setup.

This large volume of traffic from the Symbol LA-4137s (these are Alaris Pump's from Cardinal Healthcare) generates a Passed Authetication Attempts csv log file of 100MB per day on ACS. I estimate this is about 512,000 auths per day, far too much traffic. We upgraded ACS to 4.1 for multithreaded LEAP support and added another CPU as we say ACS failing to respond due to every packet due to the shear volume of packets it was getting from these Symbol devices.

No roaming is occuring. The Alaris Pumps are usually placed in patient room and kept their.

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