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Date:      Thu, 6 Mar 2014 23:08:38 -0800
From:      <dteske@FreeBSD.org>
To:        "'Joe Nosay'" <superbisquit@gmail.com>, "'Devin Teske'" <dteske@freebsd.org>
Cc:        'FreeBSD Hackers' <freebsd-hackers@freebsd.org>, 'Eugene Grosbein' <eugen@grosbein.net>
Subject:   RE: How do I create a cloned interface when there is no static connection?
Message-ID:  <1a1801cf39d4$1155a830$3400f890$@FreeBSD.org>
In-Reply-To: <CA%2BWntOsP_eXL2Lzk2=sJzP-Wrzk1kQ2tzVyp6MinKCFsfyf0Tw@mail.gmail.com>
References:  <CA%2BWntOsoNMF5rd=j2qbtnVv6-6709R7JqPH7j6vzwkqwrA_=GQ@mail.gmail.com> <53181410.1030107@freebsd.org> <CA%2BWntOtphdnTRdks%2Bwe1Nx68CXjaz_u1S1JFm%2BfdKc7X6Qro%2BA@mail.gmail.com> <5318B836.7040301@grosbein.net> <19cd01cf3974$dffa5bf0$9fef13d0$@FreeBSD.org> <CA%2BWntOsP_eXL2Lzk2=sJzP-Wrzk1kQ2tzVyp6MinKCFsfyf0Tw@mail.gmail.com>

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> -----Original Message-----
> From: Joe Nosay [mailto:superbisquit@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@freebsd.org> wrote:
> 
> >
> >
> > > -----Original Message-----
> > > From: Eugene Grosbein [mailto:eugen@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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