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DHCP Server: Provide Internet and Audio/Video on a single network cable


Overview

In situations where one network wire needs to carry:

  1. Just Add Power Audio/Video to a Receiver
  2. internet traffic for a network device
  3. Other situations covered in the Network Connection Through Receiver Port article.

The network cable would need to be split using the 509POE Daisy-Chain Receiver or an unmanaged network switch.

Disclaimer: This configuration will not provide network communication if a discovery protocol is used to identify the device.


Solution

Enable the DHCP Server on a single Just Add Power Receiver in the installation:

astparam s dhcp_server_enable y;astparam save;reboot

This will enable the Receiver to pass out DHCP addresses to up to 50 devices. Only one Receiver can have this enabled; that single Receiver will manage all network devices, no matter what Receiver they are connected to.

After the DHCP Server is enabled, apply a Static Route to the router so that network traffic is appropriately forwarded to the Just Add Power IP scheme.


DHCP Address Table

J+P IP First DHCP IP Last DHCP IP Netmask Default Gateway
10.x.x.x 10.128.0.200 10.128.0.249 255.0.0.0 10.128.0.1
172.16.x.x 172.16.128.200 172.16.128.249 255.255.0.0 172.16.128.1
192.168.100.x 192.168.100.200 192.168.100.249 255.255.255.0 192.168.100.129
192.168.200.x 192.168.200.200 192.168.200.249 255.255.255.0 192.168.200.129

Alternate Solution

Set a static IP on the device using an IP in the table above to provide consistent, direct IP control of a network device.

Network devices on the same network cable as a Just Add Power Receiver must have an IP that is in the same subnet as the Receiver in order to communicate with other devices.

A Static Route must be applied to the router to allow the network device to communicate with the regular data network.

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  • 23-May-2019
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