Date: Tue, 8 Jul 2008 12:13:04 +0300 From: Ivailo Tanusheff <i.tanusheff@procreditbank.bg> To: Jason Morgan <jwm-freebsd-questions@sentinelchicken.net> Cc: FreeBSD Questions <freebsd-questions@freebsd.org>, owner-freebsd-questions@freebsd.org Subject: Re: Jails and IP Aliasing Message-ID: <OF942784A5.710EDC3E-ONC2257480.00327A6F-C2257480.0032AA12@procreditbank.bg> In-Reply-To: <20080707175440.GA95976@sentinelchicken.net>
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Hi,
I guess the problem is with your netmask and respectivly the broadcast
adrresses for the jails.
It should be:
inet 10.0.1.2 netmask 0xffffff00 broadcast 10.0.1.255
inet 10.0.1.3 netmask 0xffffff00 broadcast 10.0.1.255
inet 10.0.1.4 netmask 0xffffff00 broadcast 10.0.1.255
Regards,
Ivailo Tanusheff
Deputy Head of IT Department
ProCredit Bank (Bulgaria) AD
Jason Morgan <jwm-freebsd-questions@sentinelchicken.net>
Sent by: owner-freebsd-questions@freebsd.org
07.07.2008 21:01
To
FreeBSD Questions <freebsd-questions@freebsd.org>
cc
Subject
Re: Jails and IP Aliasing
Hello,
On 2008.07.07 09:51:33, David Allen wrote:
> Unless I'm losing my mind, I'm encountering what seems to yet another
> gotcha with jails. The following has been dumbed down for clarity and
> brevity.
>
> ---------------------------------------------------------------------
> # hostname
> jailhost.example.org
>
> # host jailhost
> jailhost.example.org has address 10.0.1.2
>
> # ifconfig fxp0
> fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
1500
> options=b<RXCSUM,TXCSUM,VLAN_MTU>
> ether 00:07:e9:c8:2e:32
> inet 10.0.1.2 netmask 0xffffff00 broadcast 10.0.1.255
> inet 10.0.1.3 netmask 0xffffffff broadcast 10.0.1.3
> inet 10.0.1.4 netmask 0xffffffff broadcast 10.0.1.4
> media: Ethernet autoselect (100baseTX <full-duplex>)
> status: active
This is the output for my jail interface. Notice that your jail
aliases are broadcasting on the jail's IP. I don't know if this is an
issue or not (my jails run on i386 FBSD 6.3), but it's something to
look at. How are you setting the aliases?
sk0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=b<RXCSUM,TXCSUM,VLAN_MTU>
inet 10.0.0.1 netmask 0xffffff00 broadcast 10.0.0.255
inet 10.0.0.101 netmask 0xffffff00 broadcast 10.0.0.255
inet 10.0.0.201 netmask 0xffffff00 broadcast 10.0.0.255
ether xx:xx:xx:xx:xx:xx
media: Ethernet autoselect (1000baseTX <full-duplex,flag0,flag1>)
status: active
Cheers,
~Jason
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