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--- en:iot-open:practical:hardware:itsilesia:esp32 [2025/08/31 11:23] – pczekalski
+++ en:iot-open:practical:hardware:itsilesia:esp32 [2025/08/31 12:53] (current) – [Networking Layer] pczekalski
@@ Line 58: / Line 58: @@
 <figure itsilesiavrelnextgeninfrastructure>
+{{ :en:iot-open:practical:hardware:itsilesia:vrel_mobile-networking.drawio.png?600 |VREL Mobile Lab network configuration}}
 <caption>VREL Next Gen IoT remote lab networking infrastructure and services</caption>
 </figure>
@@ Line 69: / Line 69: @@
 All clients get an IP address from the range of 192.168.0.100 to 192.168.0.200
-Gateway is 192.168.0.1, and it is also the address of the IoT VREL management service for accessing devices: [[http://192.168.0.1|IoT Mobile VREL labs instance]].
+Gateway is 192.168.0.1, and it is also the address of the IoT VREL management service for accessing devices: [[http://192.168.0.1]].
+<note warning>Note, even if available, the system WILL NOT work using the public IP address.</note>
+In this laboratory module, for simplicity and portability of the solution, all clients connect to a single, private, NATed network, including IoT devices and clients (developers/students).
+All IoT integration services are also available via this network.
 ==== Application Layer Services ====
-There are currently 2 application-layer services available:
+There are currently 2 application-layer services available, accessible for IoT nodes when connected to the VRELlab network:
-  * MQTT broker 1:
+  * MQTT broker:
-    * IP addresses: 192.168.0.5;
+    * IP addresses: 192.168.0.1;
     * Port: 1883 (TCP)
     * Security: plain text authentication
@@ Line 80: / Line 84: @@
     * Pass: vrel1234
   * CoAP server with two endpoints:
-    * IP addresses: 192.168.0.10;
+    * IP addresses: 192.168.0.1;
     * Port: 5683 (UDP)
     * Endpoints:
-      * GET method for <code>coap://192.168.0.10/</code> that brings you a secret code in the message's payload,
+      * GET method for <code>coap://192.168.0.1/</code> that brings you a secret code in the message's payload,
-      * GET method for <code>coap://192.168.0.10/hello</code> that brings you a hello world welcome message in the payload.
+      * GET method for <code>coap://192.168.0.1/hello</code> that brings you a hello world welcome message in the payload.

en/iot-open/practical/hardware/itsilesia/esp32.1756639433.txt.gz · Last modified: 2025/08/31 11:23 by pczekalski