note under which circumstances ospfd uses the route priofilter

to not receive all route messages, thus saving cpu time.
wording as suggested by jmc@
ok remi@ jmc@ claudio@

diff --git a/usr.sbin/ospfd/ospfd.conf.5 b/usr.sbin/ospfd/ospfd.conf.5
index 1928b62..28fe7f7 100644 (file)
--- a/usr.sbin/ospfd/ospfd.conf.5
+++ b/usr.sbin/ospfd/ospfd.conf.5
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: ospfd.conf.5,v 1.52 2018/06/18 06:04:25 jmc Exp $
+.\"    $OpenBSD: ospfd.conf.5,v 1.53 2018/07/26 22:03:19 benno Exp $
 .\"
 .\" Copyright (c) 2005 Esben Norby <norby@openbsd.org>
 .\" Copyright (c) 2004 Claudio Jeker <claudio@openbsd.org>
@@ -17,7 +17,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: June 18 2018 $
+.Dd $Mdocdate: July 26 2018 $
 .Dt OSPFD.CONF 5
 .Os
 .Sh NAME
@@ -185,6 +185,13 @@ Setting more than one option needs curly brackets:
 redistribute static set { metric 300 type 2 }
 .Ed
 .Pp
+The use of
+.Ic redistribute Ar prefix Ns | Ns Ar rtlabel
+can result in higher CPU usage, since
+.Xr ospfd 8
+will need to process more route updates.
+.Ed
+.Pp
 .It Xo
 .Ic rfc1583compat
 .Pq Ic yes Ns | Ns Ic no