On Fri, 6 Mar 2026 22:12:18 +0100 Antonio Quartulli wrote: > > But unless you have a strong reason to use ngrep maybe > > switch to a more standard tool? > > Any recommendation? > > ngrep is used to make sure that received packets start with a specific > pattern (OpenVPN header with certain values in it). > > I presume we can just replace ngrep with tcpdump, assuming it's "more > standard".
Right, tcpdump probably. FWIW tools/testing/selftests/net/forwarding/lib.sh has some helpers to deal with tcpdump from bash. But no big deal, honestly. More of a general guidance to try to stick to the tools which are already used by other tests.
