diff options
Diffstat (limited to 'sbin/ifconfig/ifconfig.8')
| -rw-r--r-- | sbin/ifconfig/ifconfig.8 | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8 index 098f3ce8b75..d9b12804f5e 100644 --- a/sbin/ifconfig/ifconfig.8 +++ b/sbin/ifconfig/ifconfig.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ifconfig.8,v 1.52 2001/09/15 18:06:56 mickey Exp $ +.\" $OpenBSD: ifconfig.8,v 1.53 2001/12/13 20:16:48 mpech Exp $ .\" $NetBSD: ifconfig.8,v 1.11 1996/01/04 21:27:29 pk Exp $ .\" $FreeBSD: ifconfig.8,v 1.16 1998/02/01 07:03:29 steve Exp $ .\" @@ -283,7 +283,8 @@ If the interface is a vlan pseudo interface, set the vlan tag value to .Ar vlan_tag . This value is a 16-bit number which is used to create an 802.1Q -vlan header for packets sent from the vlan interface. Note that +vlan header for packets sent from the vlan interface. +Note that .Cm vlan and .Cm vlandev @@ -294,17 +295,20 @@ If the interface is a vlan pseudo device, associate physical interface with it. Packets transmitted through the vlan interface will be diverted to the specified physical interface .Ar iface -with 802.1Q vlan encapsulation. Packets with 802.1Q encapsulation received +with 802.1Q vlan encapsulation. +Packets with 802.1Q encapsulation received by the parent interface with the correct vlan tag will be diverted to -the associated vlan pseudo-interface. The vlan interface is assigned a +the associated vlan pseudo-interface. +The vlan interface is assigned a copy of the parent interface's flags and the parent's ethernet address. The .Cm vlandev and .Cm vlan -must both be set at the same time. If the vlan interface already has -a physical interface associated with it, this command will fail. To -change the association to another physical interface, the existing +must both be set at the same time. +If the vlan 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. .Pp Note: if the @@ -318,7 +322,8 @@ own (usually in firmware) and that it should pass packets to and from the parent unaltered. .It Fl vlandev If the driver is a vlan pseudo device, disassociate the physical interface -from it. This breaks the link between the vlan interface and its parent, +from it. +This breaks the link between the vlan interface and its parent, clears its vlan tag, flags and its link address and shuts the interface down. .It Cm metric Ar n Set the routing metric of the interface to |