Improve the config example.

Suggest using carpdemote instead of tweaking the advskew setting.
Also add a check for a non-carp link state.
Prodded by jmc@. OK jmc@, rob@.

diff --git a/usr.sbin/ifstated/ifstated.conf.5 b/usr.sbin/ifstated/ifstated.conf.5
index 2721871..5f1cc83 100644 (file)
--- a/usr.sbin/ifstated/ifstated.conf.5
+++ b/usr.sbin/ifstated/ifstated.conf.5
@@ -1,4 +1,4 @@
-.\" $OpenBSD: ifstated.conf.5,v 1.9 2012/04/24 14:56:09 jmc Exp $
+.\" $OpenBSD: ifstated.conf.5,v 1.10 2018/01/20 22:57:11 mpf Exp $
 .\"
 .\" Copyright (c) 2005 Nikolay Sturm <sturm@openbsd.org>
 .\" Copyright (c) 2005 Marco Pfatschbacher <mpf@openbsd.org>
@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: April 24 2012 $
+.Dd $Mdocdate: January 20 2018 $
 .Dt IFSTATED.CONF 5
 .Os
 .Sh NAME
@@ -94,7 +94,7 @@ keyword.
 .Pp
 For example:
 .Bd -literal -offset indent
-carp_up = "carp0.link.up && carp1.link.up"
+links_up = "em0.link.up && em1.link.up"
 net = '( "ping -q -c 1 -w 1 192.168.0.1 > /dev/null" every 10 && \e
          "ping -q -c 1 -w 1 192.168.0.2 > /dev/null" every 10 )'
 .Ed
@@ -138,17 +138,18 @@ For example:
 .Bd -literal -offset indent
 state one {
        init {
-               run "ifconfig carp0 advskew 10"
-               run "ifconfig carp1 advskew 10"
+               run "logger -t ifstated entering state one"
+               run "ifconfig -g carp -carpdemote"
        }
 
-       if ! $net
+       if ! $net || urndis0.link.up
                set-state two
 
-       if ! $carp_up {
-               run "ifconfig carp0 advskew 254"
-               run "ifconfig carp1 advskew 254"
-               set-state three
+       if ! $links_up {
+               run "ifconfig -g carp carpdemote"
+
+               if urndis0.link.down
+                       set-state three
        }
 }
 .Ed