LT-4200 User & Installation Manual Rev. 1.00
System Services
Lars Thrane A/S
www.thrane.eu
Page 53 of 128
therefore be the more economical solution to outgoing IP data, as nothing is sent when the data stream is
manually turned off.
IMPORTANT:
This configuration of the data stream only refers to outgoing data.
IMPORTANT:
It is only possible to stop (block) outgoing data. It is not possible to stop (block)
incoming data. If an application has created a bidirectional data stream, stopping
the IP data stream, does not signal to the other endpoint to stop sending incoming
data. Until the endpoint stops sending incoming data, the data will be transferred
over the satellite link and billed.
NOTE:
PPPoE connections are not affected by Manual Start/stop
DNS
The LT-4200 contains a recursive caching DNS server. The DNS server resolves names in the local domain
(hostname and DHCP client names), and uses external DNS to resolve names in other domains.
It is possible to use external DNS servers directly (without using the caching DNS server). However, if the
firewall is enabled it is recommended always to use the caching DNS server.
NOTE:
If the firewall is enabled the DNS server only resolves names allowed by the firewall rules
NOTE:
The DHCP server automatically announces the address of the DNS server. When the LT-
4200 is in DHCP client mode or IP static mode, the PC must manually be configured to use
the DNS server at the LT-4200
Figure 49: Manual data Stop
Summary of Contents for Iridium Certus 200
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