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sping 1.7.1 adds diagnostic mode to investigate unreachable network targets

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The open-source Rust network tool sping, a modern take on ping, has released version 1.7.1 with an experimental --diagnose mode. When a monitored target stops responding, the mode automatically runs extra checks, such as testing the alternate IP address family, probing TCP ports 443 and 80, running a traceroute, and reviewing DNS results. The author's aim is to report what was observed rather than claim a definitive root cause. The release also adds live detection of network context changes, such as switching from Ethernet to Wi-Fi or a VPN altering the default route, which helps with intermittent problems.

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