"ifconfig -vlandev" syntax

[Bernd Walter]

On Sun, Sep 25, 2005 at 11:08:25PM +0100, Gavin Atkinson wrote:
> On Sun, 2005-09-25 at 14:37 -0700, Brooks Davis wrote:
> > On Thu, Sep 22, 2005 at 02:41:05PM +0400, Yar Tikhiy wrote:
> > > Hi folks,
> > > 
> > > As our ifconfig(8) is growing more options for special interface
> > > types, inconsistencies sneak into their syntax.  In particular,
> > > -vlandev takes a useless argument (vlan(4) cannot attach to more
> > > than one parent anyway) while, e.g., -carpdev doesn't need one.
> > > Personally, I like the latter since having to type unneeded words
> > > on the command line annoys me.  Do you think that making -vlandev
> > > need no arguments in CURRENT would break many existing things?
> > 
> > I agree the argument is useless.  Unfortunatly, it's going to be hard to
> > deprecate the old syntax so we may need to keep it around.
> 
> There's also the issue that the "vlan" and "vlandev" options have to be
> specified in that order, which is counter-intuitive and undocumented.
> 
> leeloo# ifconfig vlan14 vlandev fxp0 vlan 14
> ifconfig: must specify both vlan tag and device
> leeloo# ifconfig vlan14 vlan 14 vlandev fxp0
> leeloo#
> 
> Also, you can't set both the vlan and IP address information:
> leeloo# ifconfig vlan14 vlan 14 vlandev fxp0 inet W.X.Y.Z netmask 255.255.255.0
> ifconfig: inet: bad value
> 
> As a result of this, the only way to create vlans from rc.conf seems to
> be in two stages, by renaming the interface:
> 
> cloned_interfaces="vlan14"
> ifconfig_vlan14="vlan 14 vlandev fxp0 name somename"
> ifconfig_somename="inet W.X.Y.Z netmask 255.255.255.0"

The follwing always worked for me, no need to rename:
cloned_interfaces="vlan1"
ifconfig_vlan1="inet 1.2.3.4/29 vlan 1 vlandev fxp0"

What doesn't work is this:
ifconfig_vlan1_alias0="1.2.3.4/32"
I had to configure them by a selfdone script.

-- 
B.Walter                   BWCT                http://www.bwct.de
bernd at bwct.de                                  info at bwct.de