On Thu, Jul 30, 2020 at 04:08:01AM +0200, Klemens Nanni wrote: > Multiple rtables may exist in the default rdomain (0), that is their > corresponding rdomains/lo(4) interfaces do not have to exist. > > This demonstrates it; first, nothing but default, so route(8) fails: > > # netstat -R > Rdomain 0 > Interfaces: lo0 vio0 enc0 > Routing table: 0 > > # route -T1 exec id -R > route: routing table 1: No such file or directory > > Then create an rdomain and with it an rtable: > > # ifconfig lo1 rdomain 1 > # netstat -R > Rdomain 0 > Interfaces: lo0 vio0 enc0 > Routing table: 0 > > Rdomain 1 > Interface: lo1 > Routing table: 1 > > This makes route(8) work, but it keeps working when we remove the > rdomain again since the rtable persits: > > # route -T1 exec id -R > 1 > # ifconfig lo1 destroy > # netstat -R > Rdomain 0 > Interfaces: lo0 vio0 enc0 > Routing tables: 0 1 > > # route -T1 exec id -R > 1 > > > I'm not sure yet, whether this is intentional or in fact a bug. > Either ways, the manual should be fixed - route(8)'s synopsis says the > same, just like ping(8)'s `-V rtable': > > $ man -hs8 route > route [-dnqtv] [-T rtable] command [[modifiers] args] > > Feedback? Objections? OK? >
OK remi@ > > Index: share/man/man4/rdomain.4 > =================================================================== > RCS file: /cvs/src/share/man/man4/rdomain.4,v > retrieving revision 1.13 > diff -u -p -r1.13 rdomain.4 > --- share/man/man4/rdomain.4 1 Feb 2020 15:00:20 -0000 1.13 > +++ share/man/man4/rdomain.4 30 Jul 2020 01:56:39 -0000 > @@ -98,7 +98,7 @@ Put em0 and lo4 in rdomain 4: > # ifconfig em0 192.0.2.100/24 > .Ed > .Pp > -Set a default route and localhost reject route within rdomain 4: > +Set a default route and localhost reject route within rtable 4: > .Bd -literal -offset indent > # route -T4 -qn add -net 127 127.0.0.1 -reject > # route -T4 -n add default 192.0.2.1 > @@ -106,7 +106,7 @@ Set a default route and localhost reject > .Pp > Start > .Xr sshd 8 > -in rdomain 4: > +in rtable 4: > .Pp > .Dl # route -T4 exec /usr/sbin/sshd > .Pp >
