Sierra Wireless 20070914 manual Configure IP addresses for the host, AceManager UDP

Note: With a name instead of IPs for the host modem, the remote modems will query the DNS server for the current IP assigned to the host modem before sending data back to the host.

Configuring Modbus/BSAP

The destination port for the modem at the host needs to match the device port in use on all the modems at the remote sites. For example, if the remote modem’s device port (see below) is “12345”, then the Modbus host modem’s S53 destination port should be set to “12345”.

Set the destination port (S53) to match the device port of the host modem (*DPORT). Make sure the device port of the remote modem (*DPORT) matches the destination port of the host modem (S53).

2. Configure IP addresses for the host.

If the Host modem has a static IP address, enter it in the Desti‐ nation Address for S53.

If the modem at the host has a dynamic IP and is using IP Manager, instead of an IP address for S53, specify the name of the host modem (*MODEMNAME). If the remote modems are using a different DDNS than the host modem, you will need to specify the fully qualified domain name (*MODEMNAME+*DOMAIN).

Note: Setting the Host modem IP address as the S53 Destination Address provides a low level security. The modem will not forward UDP traffic unless the source IP/port matches what is in S53.

However, if you set *AIP=1, the modem will forward UDP traffic from any source IP address as long as it is accessing the modem on the configured *DPORT.

3. Configure the default mode for start-up.

Each modem at the remote locations will need to be configured to communicate with the modem at the host. In AceManager, select UDP in the side menu.

Figure 8-7: AceManager: UDP

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