HP 5120 EI Switch Series Configuration Manual page 139

the portal server can receive the ACK_LOGOUT message correctly, no matter whether the listening port is
configured on the access device. The user can log off the portal server.
Solution
Use the display portal server command to display the listening port of the portal server configured on the
access device and use the portal server command in the system view to modify it to ensure that it is the
actual listening port of the portal server.
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