After enabling source IP address logging for the NAS or Framed IP address of the RADIUS client on a validation server the IP address captured in the logs may stay the same for subsequent user authentication requests.
VIP Enterprise Gateway 9.11.1
OS: Windows Server
This is caused by a known issue where the memory block used to store these attributes may not be cleared properly when another user authenticates via RADIUS.
This issue has been resolved in VIP Enterprise Gateway 9.11.2. For information on upgrading please review the VIP Enterprise Gateway 9.11.2 Upgrade Guide.