![]() All this happens 3 times before the source sent next packet with increment TTL value by 1 i.e.The packet first goes from source 192.168.1.101 to first router 192.168.1.1 having ICMP request packet with TTL=1.UDP packet is used to send DNS query with help of 32-bit payload.Note: Result of traceroute can vary each time for hop count but does not go beyond 30 hops because it is maximum hop limit. As a result hop 21 denotes entry of destination i.e. ![]() Traceroute generates a list of each hop by entering IP of routers that comes between source and destination and average round-trip time. Syntax: traceroute Host IP traceroute 8.8.8.8 So here with the help of the following command, we can observe the path of packet travels to reach Google DNS. Traceroute with Wireshark (via UDP packets)Īs discussed above traceroute in utility for Unix -like the system to trace the path of a packet from source to destination. TTL=2.įorm this image we can observe ICMP echo reply message is sent from 8.8.8.8 (destination) to 192.168.1.101 (source) for TTL 22.
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