How do I create a cloned interface when there is no static connection?

[Joe Nosay]

On Fri, Mar 7, 2014 at 10:00 PM, Joe Nosay <superbisquit at gmail.com> wrote:

>
>
>
> On Fri, Mar 7, 2014 at 2:08 AM, <dteske at freebsd.org> wrote:
>
>>
>>
>> > -----Original Message-----
>> > From: Joe Nosay [mailto:superbisquit at gmail.com]
>> > Sent: Thursday, March 6, 2014 6:52 PM
>> > To: Devin Teske
>> > Cc: FreeBSD Hackers; Eugene Grosbein
>> > Subject: Re: How do I create a cloned interface when there is no static
>> > connection?
>> >
>> > On Thu, Mar 6, 2014 at 2:47 PM, <dteske at freebsd.org> wrote:
>> >
>> > >
>> > >
>> > > > -----Original Message-----
>> > > > From: Eugene Grosbein [mailto:eugen at grosbein.net]
>> > > > Sent: Thursday, March 6, 2014 10:03 AM
>> > > > To: Joe Nosay
>> > > > Cc: FreeBSD Hackers
>> > > > Subject: Re: How do I create a cloned interface when there is no
>> > > > static connection?
>> > > >
>> > > > On 07.03.2014 00:39, Joe Nosay wrote:
>> > > >
>> > > > > I'll need a dummy interface  inside of the that can be bridged to
>> > > > > wlan0 outside of the jail. Normal jail with aliases.
>> > > >
>> > > > Try epair(4) and give one part of pair to jail and bridge another
>> > > > part
>> > > with
>> > > > wlan0.
>> > > >
>> > >
>> > > Never tried bridging a wlan with netgraph, but I wonder if the method
>> > > I use for bridging Ethernet with netgraph would work...
>> > >
>> > > Using the ngctl command to create an ng_bridge and then multiple
>> > > ng_eiface devices that you can be shoved into the jail.
>> > >
>> > >         kldload  ng_ether
>> > >         kldload  ng_bridge
>> > >         kldload  ng_eiface
>> > >         ngctl
>> > >         + mkpeer  {IFACE}:  bridge  lower  link0
>> > >         + connect {IFACE}:  {IFACE}:lower  upper  link1
>> > >         + name {IFACE}:lower  {IFACE}bridge
>> > >         + quit
>> > >         ifconifg  {IFACE}  up
>> > >         ngctl
>> > >         + msg  {IFACE}:  setpromisc 1
>> > >         + msg  {IFACE}:  setautosrc 0
>> > >         + mkpeer  {IFACE}:lower  eiface  link{N}  ether
>> > >         + name  {IFACE}bridge:link{N}
>> > >         + show  -n  {IFACE}bridge:
>> > >         Name: ngeth0          Type: eiface          ID: XXXXXXXX   Num
>> > > hooks: N
>> > >         + name  {IFACE}bridge:link{N}  {NEWIFACE}
>> > >         ifconfig  ngeth0  name  {NEWNAME}
>> > >         ifconfig  {NEWNAME}  vnet  {JID}
>> > >
>> > > Taking care to replace the following from above:
>> > > {IFACE} - the name of the interface you want to bridge (eg, em0) {N} -
>> > > link number (starts at 2; increments by-one for each new eiface)
>> > > {NEWIFACE} - the name of the new eiface (ngethN) device to create
>> > > {JID} - the jail ID of the jail you want to shove the interface into
>> > >
>> > > Of course, never tried this with WiFi.
>> >
>> > I did not properly create the jail.conf script. I believe the file of
>> /etc/rc.d/jail
>> > should be followed; yet, there is no tutorial on setting it up.
>> > My /etc/rc.conf file is also improperly setup. How? I don't know; but, I
>> can tell
>> > because the system will not boot completely and ctrl+C must be hit to
>> allow
>> > logging in.
>>
>> What release are you using? "uname -spr" is often succinct enough.
>> --
>> Devin
>>
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>
>
> FreeBSD 10.0-RELEASE amd64
> The /etc/rc.d/jail script is interpreting the name at -G in
> FreeBSD-Google_projects to be a command line option. I am going to see what
> happens if I just change the name.
>


Ok.
The jail.conf is in /etc, the name is without hypens or undescores, and the
script dies with "/etc/rc no such file or directory" from jail.conf.
There is a /etc/rc but I know that jail exists in /etc/rc.d?
Wait a sec.