The router will drop that packet and send ICMP Time Exceeded error message to the source.The packet first goes from source 192.168.1.101 to first router 192.168.1.1 having ICMP echo request packet with TTL=1.ICMP echo request packet is used instead of UDP to send DNS query.Note: Result of tracert can vary each time for hop count but does not go beyond 30 hops because it is the maximum hop limit.Īt Wireshark we notice the following points: In order to notice the activity of traceroute, we have turned on Wireshark in the background. As a result hop 22 denotes entry of destination i.e. Traceroute generates a list of each hop by entering IP of routers that traversed between source and destination and average round-trip time. So herewith help of the following command, we can observe the path of the packet which travels to reach Google DNS.
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