Ping operates at layer 3 of the OSI layer, it initiates an ICMP echo request and sent it to lower process.ġ> Since the source IP address is not specified in the command, the device sets its IP as the source IP address.Ģ>The destination IP address 172.16.1.100 is not in the same subnet and is not the broadcast address, so the device Sets the next-hop to the default gateway addressģ> since the next gateway MAC address is not in the ARP table of the PC, it initiates an ARP request for the same. Step 1: PC 1 Initiating Network ping command The complete traffic flow will be explained in the 5 step process: Scenario: PC 1 and PC 2 are in different IP subnet. ![]() Mainly our focus is on how the packet is traversing through the devices and what modifications are made on packets to reach the destination. ![]() Here I’m explaining the Network ping command flow in a simple network which I have tested and verified using network simulation tool – Cisco packet tracer. Ping is the software utility to test the reachability of a host in a network, it is crucial for a network engineer to know how ping works in a real network. ![]() Network Ping Command explained with packet tracer
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