SatLink VSAT User Guide
Publication no. 101557
Copyright © 2009 – STM Group, Inc.
Page 115 (160)
D.3 Internal UDP sender and receiver for testing satellite link to hub
The internal UDP sender and receiver allows user to send and receive packets between hub and terminal.
Internal UDP sender and receiver is used to check the transfer of packets between hub and terminal and
see if there is any packet loss on the network.
IP UDPSEND module generates UDP traffic with embedded packet identification so that at the receiver
end missing packets can be found by looking at the identification. This can be used to check the link
issues. UDPSEND can be configured to work in different ways; UDPSEND can pump traffic to single
host (or) multiple hosts (or) a range of hosts. UDPSEND can either continuously pump traffic until
explicitly stopped by the user or specified number of packets. Last used configurations will be stored until
re-configured explicitly.
We need to have a UDP listener for receiver and in order to have both UDP sender and UDP receiver to
communicate and transfer packets to each other the port number on the hub and the terminal should be
same.
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