Hi, On Wed, 17.03.2010 at 17:48:21 +0100, Toni Mueller <openbsd-m...@oeko.net> wrote: > On Mon, 15.03.2010 at 19:10:12 +0100, Toni Mueller <openbsd-m...@oeko.net> > wrote: > > # pfctl -s a |grep mss > > # ifconfig|grep mtu|grep -v 1500 > > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33152 > > enc0: flags=41<UP,RUNNING> mtu 1536 > > pflog0: flags=141<UP,RUNNING,PROMISC> mtu 33152 > > # > > > > And that's it... > > > Sample message from tcpdump: > > > > 19:03:59.805030 1.2.3.4 > 5.6.7.8: icmp: 1.2.3.20 unreachable - need to > > frag (mtu 1420) for 5.6.7.8.80 > 1.2.3.20.59495: 2079874237 [|tcp] (DF) > > (ttl 243, id 22121, len 1500) (ttl 255, id 23060, len 56) > > > I've rebooted the machine, and the problem went away. I don't know for > how long, though.
after doing this now for some time, I go out on a limb and say that this is a memory management problem somewhere in the realm of 'pf', as the problem apparently correllates to the amount of traffic pushed. If someone is willing to help me debug this, please contact me off-list. Thank you! -- Kind regards, --Toni++
