On Wed, Sep 17, 2025 at 12:22:37PM +0200, Rafael Sadowski wrote: > On Wed Sep 17, 2025 at 09:33:00AM +0100, Stuart Henderson wrote: > > > $ netstat -i > > > Name Mtu Network Address Ipkts Ifail Opkts Ofail > > > Colls > > > ix3 1500 <Link> f8:f2:1e:3c:9c:09 195418012 0 144748154 > > > 149426 0 > > > wg0 1420 <Link> 95659816 367058 64488271 > > > 3933 0 > > > > do the Ofail figure rise over time or are they steady (i.e. relating to > > a past event or ongoing?) > > > > are they drops or errs? conpare these: > > > > netstat -I ix3 -nd > > netstat -I ix3 -ne > > > > is your cable ok and is there anything reported on the switch? > > Thanks Stuart for the feedback. I've done some additional debugging with > dlg@ and can provide more detailed information: > > The Ofail counters are ongoing and increasing during WireGuard traffic: > > # Before iperf test: > netstat -d -I ix3: Odrop 149596 > netstat -e -I ix3: Oerrs 0 > > # After iperf test: > netstat -d -I ix3: Odrop 149944 # +348 drops > netstat -e -I ix3: Oerrs 0 # No errors > > ix3 shows queue drops (not errors) that increase during WireGuard > traffic, while the WireGuard interface itself shows no drops > during the test period.
While wg0 shows no or little output errors the Ifail from netstat -i above has 367058 failures. So that may be another thing to investigate. -- :wq Claudio
