08.03.2013 03:22, Jamie Gritton пишет:
> You're allowed to have the same address in multiple jails, but only in
> the case of jails that have one address (i.e. one IPv4 address in this
> case). Jails with multiple IP addresses can't share any of those
> addresses with other jails. I don't know why it should work once and
> then not work later though.
From JAIL(8):
-----
Jails have a set a core parameters, and kernel modules can add
their own
jail parameters. The current set of available parameters can be
retrieved via “sysctl -d security.jail.param”. Any parameters not set
will be given default values, often based on the current environment.
The core parameters are:
[...]
ip4.addr
[...]
It is only possible to start multiple jails with
the same IP address, if none of the jails has more than
this sin‐
gle overlapping IP address assigned to itself.
-----
My interpratation of the mannual page is: this restrict is valid only
when ip4.addr sysctl is used. Otherwise this restriction should be
documented at other section (say, at DESCRIPTION).
--
WBR, Boris Samorodov (bsam)
FreeBSD Committer, http://www.FreeBSD.org The Power To Serve
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