Document the BSD issue with dhcpcd changing the subnet route.

1 files changed, 16 insertions, 4 deletions

diff --git a/dhcpcd.8.in b/dhcpcd.8.in
index b327546e..3f65af26 100644
--- a/dhcpcd.8.in
+++ b/dhcpcd.8.in
@@ -122,7 +122,9 @@ metric, otherwise
 changes the routes to use the interface with the same route and the lowest
 metric.
 See options below for controlling what interfaces we allow and deny through
-the use of patterns.
+the use of patterns. Also, see the BUGS section if
+.Nm
+runs on a BSD system.
 .Ss Hooking into DHCP events
 .Nm
 runs
@@ -477,7 +479,7 @@ running on the
 .Xr dhcpcd-run-hooks 8 ,
 .Xr resolv.conf 5 ,
 .Xr resolvconf 8 ,
-.Xr if_nametoindex 3,
+.Xr if_nametoindex 3 ,
 .Xr fnmatch 3
 .Sh STANDARDS
 RFC 951, RFC 1534, RFC 2131, RFC 2132, RFC 2855, RFC 3004, RFC 3361, RFC 3396,
@@ -485,9 +487,19 @@ RFC 3397, RFC 3442, RFC 3927, RFC 4361, RFC 4390, RFC 4702.
 .Sh AUTHORS
 .An Roy Marples <roy@marples.name>
 .Sh BUGS
+Please report them to http://roy.marples.name/projects/dhcpcd
+.Pp
 .Nm
 does not wait for commands to complete when sending them to the master
 .Nm
-process.
+process, nor does it echo its progress to stderr.
+This is a behaviour change dhcpcd-4 and may need to be addressed if
+there is sufficient need.
 .Pp
-Please report them to http://roy.marples.name/projects/dhcpcd
+BSD systems do not correctly handle manual removal or changing of
+subnet routes which where added by the kernel when an address was added.
+You can find discussion here:
+.D1 http://mail-index.netbsd.org/tech-net/2008/12/03/msg000896.html
+and a patch for NetBSD here:
+.D1 http://mail-index.netbsd.org/tech-net/2008/12/14/msg000907.html
+Other BSD systems will need equivalent patches.