Date: Thu, 18 Sep 2014 13:10:37 -0400 From: Fbsd8 <fbsd8@a1poweruser.com> To: dweimer@dweimer.net Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: FreeBSD 10 Multiple IPs in a jail Message-ID: <541B120D.1000606@a1poweruser.com> In-Reply-To: <480aebf1080d12f717695748ef92b4d4@dweimer.net> References: <480aebf1080d12f717695748ef92b4d4@dweimer.net>
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dweimer wrote:
> I know that we can now do multiple IPs in a jail, and I have a
> configuration that works for it.
>
> jail.conf:
> testjail {
> jid = 100;
> host.hostname = testjail.local;
> ip4.addr = 'em0|10.20.190.190/24';
> ip4.addr += 'em0|10.20.190.191/24';
> path = /jails/devel/ROOT;
> allow.mount.devfs;
> mount.devfs;
> allow.sysvipc;
> exec.start = "/bin/sh /etc/rc";
> exec.stop = "/bin/sh /etc/rc.shutdown";
> exec.prestart = "/jails/devel/prestart.sh";
> exec.poststop = "/jails/devel/poststop.sh";
> exec.consolelog = "/jails/devel/console.log";
> }
>
> This works great, my question is now that I have this figured out and I
> am done testing it, how can I apply it to a running jail without
> rebooting the jail?
>
> I tried using:
> jail -n testjail -m 'ip4.addr='em0|10.20.190.191/24'
> This replaces the IP on the jail.
>
> Then I tried using:
> jail -n testjail -m 'ip4.addr+='em0|10.20.190.191/24'
> I get an error "unknown parameter ip4.addr+"
>
> Am I stuck waiting until after hours to add the secondary IP when I can
> reboot the production jail? Or is there another way I haven't figured
> out yet to add the secondary IP to the running jail?
>
How about
jail -n testjail -m 'ip4.addr='em0|10.20.190.190/24,em0|10.20.190.191/24'
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