[src/netbsd-1-5]: src/sbin/ifconfig Pull up revision 1.43 (requested by bouyer):

[jhawk <jhawk%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3a07ce1adb90
branches:  netbsd-1-5
changeset: 490450:3a07ce1adb90
user:      jhawk <jhawk%NetBSD.org@localhost>
date:      Sun Dec 31 20:13:57 2000 +0000

description:
Pull up revision 1.43 (requested by bouyer):
        Add support for 802.1Q virtual LANs.

diffstat:

 sbin/ifconfig/ifconfig.8 |  42 +++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 41 insertions(+), 1 deletions(-)

diffs (56 lines):

diff -r 41de9549fd33 -r 3a07ce1adb90 sbin/ifconfig/ifconfig.8
--- a/sbin/ifconfig/ifconfig.8  Sun Dec 31 20:13:54 2000 +0000
+++ b/sbin/ifconfig/ifconfig.8  Sun Dec 31 20:13:57 2000 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: ifconfig.8,v 1.32.4.8 2000/12/31 17:57:36 jhawk Exp $
+.\"    $NetBSD: ifconfig.8,v 1.32.4.9 2000/12/31 20:13:57 jhawk Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -379,6 +379,46 @@
 It happens automatically when setting the first address on an interface.
 If the interface was reset when previously marked down,
 the hardware will be re-initialized.
+.It Cm vlan Ar tag
+If the interface is a
+.Xr vlan 4
+pseudo-interface, set the VLAN tag to
+.Ar tag .
+This is a 16-bit number which is used to create an 802.1Q VLAN header for
+packets sent from the
+.Xr vlan 4
+interface.  Note that
+.Cm vlan
+and
+.Cm vlanif
+must be set at the same time.
+.It Cm vlanif Ar iface
+If the interface is a
+.Xr vlan 4
+pseudo-interface, associate the physical interface
+.Ar iface
+with it.  Packets transmitted through the 
+.Xr vlan 4
+interface will be diverted to the specified physical interface
+.Ar iface
+with 802.1Q VLAN encapsulation.  Packets with 802.1Q encapsulation received
+by the physical interface with the correct VLAN tag will be diverted to the 
+associated
+.Xr vlan 4
+pseudo-interface.  The VLAN interface is assigned a copy of the physical
+interface's flags and
+.Tn Ethernet
+address.
+If the
+.Xr vlan 4
+interface already has a physical interface associated with it, this command
+will fail.  To change the association to another physical interface, the
+existing association must be cleared first.
+Note that
+.Cm vlanif
+and
+.Cm vlan
+must be set at the same time.
 .It Cm vltime Ar n
 (inet6 only)
 Set valid lifetime for the address.