tcpdump(1) on macOS
The text 0a1ad5aa54e9, as Mac OS X 10.7.5, Mac OS X 10.7.4, Mac OS X 10.7.3, Mac OS X 10.7.2, Mac OS X 10.7.1, Mac OS X 10.7 shipped it.
dump traffic on a network
Flags it lists
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-t -
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-u -
-v -
-vv -
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-w -
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