-d causes the server to output debugging information
- -t sets a timeout in seconds (default 5) for when the server is
+ -t <sec> sets a timeout (default 5) for when the server is
awaiting an incoming connection
-noipv4 causes the server not to set up an IPv4 socket
-noipv6 causes the server not to set up an IPv6 socket
+ -i <sec> sets an initial pause, to delay before creating the listen sockets
+
By default, in an IPv6 environment, both kinds of socket are set up. However,
the test script knows which interfaces actually exist on the host, and it adds
-noipv4 or -noipv6 to the server command as required. An error occurs if both