svn commit: r326928 - stable/11/share/man/man5

[Mike Karels]

Author: karels
Date: Mon Dec 18 05:29:38 2017
New Revision: 326928
URL: https://svnweb.freebsd.org/changeset/base/326928

Log:
  MFC r326734:
  
  gifconfig_gif0 no longer works, document replacement
  
  rc.conf(5) documents the gifconfig_<interface> keyword, which is
  no longer implemented. Document the replacement, which works with
  cloned_interfaces as well.
  
  Reviewed by:    dab
  Group Reviwers: manpages
  Differential Revision:  https://reviews.freebsd.org/D13130

Modified:
  stable/11/share/man/man5/rc.conf.5

Modified: stable/11/share/man/man5/rc.conf.5
==============================================================================
--- stable/11/share/man/man5/rc.conf.5	Mon Dec 18 04:51:45 2017	(r326927)
+++ stable/11/share/man/man5/rc.conf.5	Mon Dec 18 05:29:38 2017	(r326928)
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd June 8, 2016
+.Dd December 17, 2017
 .Dt RC.CONF 5
 .Os
 .Sh NAME
@@ -1778,21 +1778,40 @@ This variable is deprecated in favor of
 Set to the list of
 .Xr gif 4
 tunnel interfaces to configure on this host.
-A
-.Va gifconfig_ Ns Aq Ar interface
-variable is assumed to exist for each value of
-.Ar interface .
+For each
+.Xr gif
+tunnel interface, set a variable named
+.Va ifconfig_ Ns Aq Ar interface
+with the parameters for the
+.Xr ifconfig 8
+command to configure the link level for
+.Ar interface
+with the
+.Cm tunnel
+option.
 The value of this variable is used to configure the link layer of the
-tunnel according to the syntax of the
+tunnel using the
 .Cm tunnel
 option to
-.Xr ifconfig 8 .
+.Xr ifconfig .
+For example, configure two
+.Xr gif
+interfaces with:
+.Bd -literal -offset indent
+gif_interfaces="gif0 gif1"
+ifconfig_gif0="tunnel src_addr0 dst_addr0"
+ifconfig_gif1="tunnel src_addr1 dst_addr1"
+.Ed
+.Pp
 Additionally, this option ensures that each listed interface is created
 via the
 .Cm create
 option to
-.Xr ifconfig 8
-before attempting to configure it.
+.Xr ifconfig .
+This example also works with
+.Va cloned_interfaces
+instead of
+.Va gif_interfaces .
 .It Va sppp_interfaces
 .Pq Vt str
 Set to the list of