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Configure Digi devices
Ping Test: Enables or disables the use of “ping” (ICMP) as a test to verify the
integrity of the mobile connection. The test is successful if a valid ping reply is
received in response to the ping request sent. The ping test actually sends up to
three ping requests, at three second intervals, to test the link. When a valid
reply is received, the test completes successfully and immediately. If a reply is
received for the first request sent, there is no need to send the other two
requests.
Two destination hosts may be configured for this test. If the first host fails to
reply to all three ping requests, the same test is attempted to the second host. If
neither host replies to any of the ping requests sent, the test fails. The primary
and secondary addresses may be either IP addresses or fully qualified domain
names.
– Primary Address: First host to test.
– Secondary Address: Second host to test (if the first host fails).
TCP Connection Test: Enables or disables the creation of a new TCP
connection as a test to verify the integrity of the mobile connection. The test is
successful if a TCP connection is established to a specified remote host and
port number. If the remote host actively refuses the connection request, the test
is also considered to be successful, since that demonstrates successful two-way
communication over the mobile connection. The TCP connection test waits up
to 30 seconds for the connection to be established or refused. When the TCP
connection is established, the test completes successfully, and the TCP
connection is closed immediately.
Two destination hosts may be configured for this test. If the first host fails to
establish (or refuse) the TCP connection, the same test is attempted to the
second host. If neither host successfully establishes (or refuses) the TCP
connection, the test fails. The primary and secondary addresses may be either
IP addresses or fully qualified domain names.
– TCP Port: The TCP port number to connect to on the remote host (default 80).
– Primary Address: The address of the first host to test.
– Secondary Address: The address of the second host to test (if the first host
fails).