Welch Allyn Connex and Aruba Installation Best Practices, Radio software version 3.00.01 and later - Installation Guide - Manual (Page 7)

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Best practices
Required network settings and configurations
These configurations and settings are required to establish a durable connection between
Welch Allyn devices and the wireless network. Failure to comply with these requirements
will result in a failure to connect to the network, repeated disconnects or extended loss of
telemetry data.
Best practice Affected types Without best practice
RADIUS server When using EAP authentication, the controller
must be configured to communicate with low-latency RADIUS
servers. Unreliable communication with a RADIUS server, even in
the presence of a secondary RADIUS server, seriously impedes
performance. Wired, Wireless Dropped packets, data loss and dropped connections.
SSID/Radio settings
•
Interval between Identity Requests = 3
• Quiet period after Failure Authentication = 3
• WPA-key-period 2000
Wireless Loss of connection and data, patient monitor will not
connect.
User role Assign user role based on one or more derivation rules
that you devise based on your specific configuration. Wireless By default, Aruba places wireless devices in the logon
role, where they are subject to being disconnected
from the network at frequent intervals. Assigning a
user role avoids this problem.