Ping and Traceroute

Good evening, the use of ping and traceroute were really foreign to me before taking this class, I really only thought things like this could be done in super secret spy movies. It was definitely challenging for me since I could barely figure out how to look up an IP address for a website, but through a little bit of google searching and looking through the course text I figured out how find IP addresses of multiple websites. The two websites I used for this discussion post was from the United Kingdom and Canada Home - Canada.ca

Links to an external site. and Welcome to GOV.UK (www.gov.uk)Links to an external site.. Packets travel through a network by hopping from one router to another until they reach their destination. Each packet carries the source and destination IP addresses, which routers use to forward the packet along the best path. The ping command measures the round-trip time (RTT) by sending ICMP Echo Request messages and waiting for replies, while the traceroute command maps the path packets take by sending packets with increasing TTL values, identifying each hop along the way. Comparing results, a ping to Website A might show an RTT of 30ms, Website B 100ms, and Website C 200ms. Traceroute might reveal Website A with 6 hops and low latency, Website B with 10 hops and moderate latency, and Website C with 15 hops and significant latency. Generally, shorter RTTs indicate closer proximity or optimized routing, while longer RTTs suggest greater distance or more complex paths, although network infrastructure and congestion also play roles.

Ping and traceroute are crucial for troubleshooting network issues. Ping helps identify connectivity problems or high latency, indicating network congestion or path issues. Traceroute pinpoints where delays or losses occur, helping identify problematic segments and unstable routing. Timeouts or errors in these commands can result from network congestion, delaying or dropping packets, or from firewall/ACL restrictions blocking ICMP packets. Together, these tools provide insights into connectivity, latency, and routing paths, aiding network administrators in diagnosing and resolving issues to ensure smooth network operations.






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