Introduce ``add'' and ``remove'' as alternatives to ``alias'' and ``delete''.

Improve compatibility with BSD/OS, and also more accurately reflect that
IP aliases aren't really any different than the primary IP address on an
interface.

Reviewed by:	dcs
Approved by:	jkh

1 files changed, 7 insertions, 1 deletions

diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
index a100c9685276..022dc4f83f9c 100644
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -130,11 +130,14 @@ for example,
 The following parameters may be set with 
 .Nm ifconfig :
 .Bl -tag -width indent
+.It Cm add
+Another name for the ``alias'' parameter.  Introduced for compatibility
+with BSD/OS.
 .It Cm alias
 Establish an additional network address for this interface.
 This is sometimes useful when changing network numbers, and
 one wishes to accept packets addressed to the old interface.
-If the alias is on the same subnet as the first network adress
+If the address is on the same subnet as the first network adress
 for this interface, a netmask of 0xffffffff has to be specified.
 .It Cm anycast
 (Inet6 only)
@@ -331,6 +334,9 @@ of the form startnet-endnet. Appletalk uses this scheme instead of
 netmasks though
 .Fx
 implements it internally as a set of netmasks.
+.It Cm remove
+Another name for the ``delete'' parameter.  Introduced for compatibility
+with BSD/OS.
 .It Cm phase
 The argument following this specifies the version (phase) of the 
 Appletalk network attached to the interface. Values of 1 or 2 are permitted.