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+# Example of sending from an unconnected ipv6 socket
+
+set s [socket -ipv6 dgram]
+
+foreach i [range 1 5] {
+ # Specify the address and port with sendto
+ $s sendto "$i + $i + 10" {[::1]:20000}
+
+ # Receive the response - max length of 100
+ puts [$s recvfrom 100]
+}
+
+$s close
+
+# Now sending via a connected udp socket
+
+set s [socket -ipv6 dgram {[::1]:20000}]
+
+foreach i [range 5 10] {
+ # Socket is connected, so can just use puts here
+ # But remember to flush to ensure that each message is separate
+ $s puts -nonewline "$i * $i"
+ $s flush
+
+ # Receive the response - max length of 100
+ puts [$s recvfrom 100]
+}