On Thu, Oct 19, 2006 at 11:31:59PM -0400, Bill wrote: > I have had a problem with a new OpenVPN server on an OpenBSD box. I > have solved the problem (I think) but was looking for some insight as > to why this solved it. > > The problem was with the "ping" that happens between OpenVPN endpoints > not being returned and the connection resetting every minute or so. > > One suggested issue was that perhaps there was a lot of large transfers > or heavy traffic that caused it to not respond in time... So I took a > look at it late one night... One one computer I was watching it drop > and reconnect. On the console I was watching a netstat dump which > showed between 1 to 9 pkts a second. (This is respectable > hardware with gigabit cards). So maybe it was some service running... > so I hit up vmstat and aside from the random tumbleweed, all was dead > quiet. top showed nothing going on. > > Anyway, in the end I started the OpenVPN server with "nice -1" which > has seemed to work. I've not had a drop in about 48 hours straight. > > My question is - on a dead quiet box, how could bumping the priority > just a tad help? I've asked for idea's on the OpenVPN list, but no > answer.
I don't see how that would help, either. And OpenVPN shouldn't drop sessions under load, and in fact doesn't for most of us. Strange... Joachim