traceroute: update page (#10491)

* traceroute: Use long options, use real argument, two more examples

* traceroute: add unit to --wait argument

pages/common/traceroute.md

@@ -5,20 +5,28 @@
 
 - Traceroute to a host:
 
-`traceroute {{host}}`
+`traceroute {{example.com}}`
 
 - Disable IP address and host name mapping:
 
-`traceroute -n {{host}}`
+`traceroute -n {{example.com}}`
 
-- Specify wait time for response:
+- Specify wait time in seconds for response:
 
-`traceroute -w {{0.5}} {{host}}`
+`traceroute --wait={{0.5}} {{example.com}}`
 
 - Specify number of queries per hop:
 
-`traceroute -q {{5}} {{host}}`
+`traceroute --queries={{5}} {{example.com}}`
 
 - Specify size in bytes of probing packet:
 
-`traceroute {{host}} {{42}}`
+`traceroute {{example.com}} {{42}}`
+
+- Determine the MTU to the destination:
+
+`traceroute --mtu {{example.com}}`
+
+- Use ICMP instead of UDP for tracerouting:
+
+`traceroute --icmp {{example.com}}`