ZyWALL / USG (ZLD) CLI Reference Guide 183
CHAPTER 27
RTLS
27.1 RTLS Overview
Ekahau RTLS (Real Time Location Service) tracks battery-powered Wi-Fi tags attached to APs
managed by the ZyWALL / USG to create maps, alerts, and reports.
The Ekahau RTLS Controller is the centerpiece of the RTLS system. This server software runs on a
Windows computer to track and locate Ekahau tags from Wi-Fi signal strength measurements. Use
the ZyWALL / USG with the Ekahau RTLS system to take signal strength measurements at the APs
(Integrated Approach / Blink Mode).
You need:
• At least three APs managed by the ZyWALL / USG (the more APs the better since it increases the
amount of information the Ekahau RTLS Controller has for calculating the location of the tags)
• IP addresses for the Ekahau Wi-Fi tags
• A dedicated RTLS SSID is recommended
• Ekahau RTLS Controller in blink mode with TZSP Updater enabled
• Secure policies to allow RTLS traffic if the ZyWALL / USG Secure Policy control is enabled or the
Ekahau RTLS Controller is behind a firewall.
For example, if the Ekahau RTLS Controller is behind a firewall, open ports 8550, 8553, and 8569 to
allow traffic the APs send to reach the Ekahau RTLS Controller.
The following table lists default port numbers and types of packets RTLS uses.
Table 98 RTLS Traffic Port Numbers
PORT NUMBER TYPE DESCRIPTION
8548 TCP Ekahau T201 location update.
8549 UDP Ekahau T201 location update.
8550 TCP Ekahau T201 tag maintenance protocol and Ekahau RTLS Controller user
interface.
8552 UDP Ekahau Location Protocol
8553 UDP Ekahau Maintenance Protocol
8554 UDP Ekahau T301 firmware update.
8560 TCP Ekahau Vision web interface
8562 UDP Ekahau T301W firmware update.
8569 UDP Ekahau TZSP Listener Port
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