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CWT Software Configuration Handbook 4.40

rebootYou must reboot the CWT when changing any setting in the <ethernet> element.

Communication downlink

To set the CWT in downlink mode, set useSharedModem ="false" or remove the sharedModem tag from the configuration.

 

Element        Path: <cwt><COMMUNICATION><ethernet>

Attributes for <ethernet> in Downlink mode

useDHCP

Set to "true" if the CWT shall use a DHCP server to set IP address, gateway, subnet mask, and DNS.

If this is set to “true” all other parameters will be ignored and should not be configured.

Note:
If the CWT shall use a static IP address, the following attributes must be set: ipAddress, subnetMask, defaultGateway, DNSServer

ipAddress

The address to the CWT. This address must be in the same subnet as the gateway.
(When using a static IP)

The ipAddress and defaultGateway attributes shall and can only be private addresses!

There are three ranges of private IP addresses defined by Internet Assigned Numbers Authority (IANA) that can be used:

192.168.0.0 – 192.168.255.255

172.16.0.0 – 172.31.255.255

10.0.0.0 – 10.255.255.255

subnetMask

Defines the subnet that the CWT will listen to.
(When using a static IP)

defaultGateway

Gateway to the internet.
(When using a static IP)

DNSServer

DNS server IP address.
(When using a static IP)

Examples:

Downlink - Dynamic IP address:

<COMMUNICATION - - - >
<ethernet useDHCP="true"/>
</COMMUNICATION>

Downlink - Static IP address:

<COMMUNICATION - - - >
<ethernet useDHCP="false" ipAddress="192.168.0.100"
subnetMask="255.255.255.0" defaultGateway="192.168.0.1"
DNSServer="8.8.8.8"/>
</COMMUNICATION>