On 2017-07-01, Claudio Jeker <cje...@diehard.n-r-g.com> wrote: > On Sat, Jul 01, 2017 at 04:48:05PM +0200, tonypon...@mail.com wrote: >> I use an ssh tunnel for a VPN on OpenBSD 6.1. To initiate the VPN >> connection, I type the following on the local machine >> >> # ssh -f -w 0:1 R true >> # ifconfig tun0 10.1.1.1 10.1.1.2 netmask 255.255.255.252 >> # route add R G >> # route change default 10.1.1.2 >> >> where R is the IP address of the remote server, and where G is the IP >> address of the local gateway. >> >> Usually, this works well. But I occasionally have a problem where the >> default address in the routing table will spontaneously change from >> 10.1.1.2 to G. What could be causing the routing table to spontaneously >> change in this manner without my intervention? >> > > Most probably dhclient(8).
A hackish workaround to this would be to add routes for 0.0.0.0/1 and 128.0.0.0/1 instead of changing the default route.
