Examples
Here are some example icmptypes:
echo-request
<?xml version="1.0" encoding="utf-8"?>
<icmptype>
<short>Echo Request (ping)</short>
<description>This message is used to test if a host is reachable mostly with the ping utility.</description>
</icmptype>
echo-reply
<?xml version="1.0" encoding="utf-8"?>
<icmptype>
<short>Echo Reply (pong)</short>
<description>This message is the answer to an Echo Request.</description>
</icmptype>