On Tue, Aug 2, 2016 at 11:12 AM, Julian Elischer <julian_at_freebsd.org> wrote: > I upgraded my VPS machine to today's current, and on reboot I couldn't get > into it by network. > > A quick switch to the VNC console showed that it was up but that it > couldn't get out. > > > The xn interfaces said they were UP but attempts to get out were met with > "network is down". > > if I did 'tcpdump -n -i xn0' (and xn1) hten all was fine again. > > tcpdump saw packets, and in fact ipfw saw some packets coming in even > before that but it was not possible to send. > > > Has anyone seen similar? > > some relevant parts of the dmesg output.: > > [...] A bit of a guess, but the obvious thing that I see is that when you start tcpdump you are placing the interface in promiscuous mode. Looks like the "device" fails to properly see packet addressed to it. -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman_at_gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683Received on Tue Aug 02 2016 - 21:52:11 UTC
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