Modern network connectivity is light years ahead of what it once was. Even though it's much more reliable than it was in the 1990s, issues still come up -- which is why I'm glad that Linux includes a ...
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Linux provides two very useful tools for diagnosing network troubles: arp and ip neigh. $ arp Address HWtype HWaddress Flags Mask Iface fruitfly ether 7c:67:a2:cf:9f:ef CM enp0s25 Comtrend.Home ether ...