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Date:      Tue, 15 Mar 2016 17:52:35 +0000
From:      Arthur Chance <freebsd@qeng-ho.org>
To:        Guy Harrison <gfh@swampdog.co.uk>, freebsd-questions@freebsd.org
Subject:   Re: dhcpd, iscsi and a raspberry pi
Message-ID:  <56E84BE3.7010009@qeng-ho.org>
In-Reply-To: <201603151632.14124.gfh@swampdog.co.uk>
References:  <201603151632.14124.gfh@swampdog.co.uk>

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On 15/03/2016 16:32, Guy Harrison wrote:
> 
> HI Folks,
> 
> I just wanted to check I'm getting correct behaviour 'cos I'm no expert on 
> these things!
> 
> I've built an iscsi enabled kernel for the raspberry pi (aka debian jessie)

You're asking about Debian, a Linux distro, on a FreeBSD mailing list.
Not quite as bad as asking about Windows on a Mac OS list, but you'd be
much better off find a Debian mailing list to ask on. Try looking here

https://www.debian.org/MailingLists/

> and the initrd is obtaining a first IP address then when the kernel proper 
> boots a second IP address is obtained. Both are bound to eth0.
> 
> [admin@sdvmf64dns ~/etc]$ dhcpd --version
> isc-dhcpd-V3.1.2p1
> 
> [admin@sdvmf64dns ~]$ uname -a
> FreeBSD sdvmf64dns.swampdog 8.2-RELEASE-p4 FreeBSD 8.2-RELEASE-p4 #1: Thu 
> Oct 27 14:26:36 BST 2011     
> root@sdvmf64dns.swampdog:/usr/obj/usr/src/sys/GENERIC  amd64
> 
> The problem is the second IP address is "known" in that 'nslookup' knows the 
> pi name and so forth..
> 
> lease 192.168.1.45 {
>   starts 4 2016/03/10 14:55:05;
>   ends 4 2016/03/10 15:05:05;
>   cltt 4 2016/03/10 14:55:05;
>   binding state active;
>   next binding state free;
>   hardware ethernet b8:27:eb:0f:32:64;
>   uid "\001\270'\353\0172d";
>   set ddns-rev-name = "45.1.168.192.in-addr.arpa";
>   set ddns-txt = "318788caec8944734a9e0c2fe418c9db6f";
>   set ddns-fwd-name = "pi05.swampdog";
>   client-hostname "pi05";
> }
> 
> ..whereas the first IP..
> 
> lease 192.168.1.53 {
>   starts 3 2016/03/09 14:09:27;
>   ends 3 2016/03/09 14:19:27;
>   tstp 3 2016/03/09 14:19:27;
>   cltt 3 2016/03/09 14:09:27;
>   binding state free;
>   hardware ethernet b8:27:eb:0f:32:64;
> }
> 
> ..only appears the once, on boot. This is the IP address by which the iscsi 
> target knows the pi and it expires!
> 
> I was expecting the first *.53 IP to be inherited by the kernel rather than 
> it go obtain the second *.45 IP address. Is correct?
> 
> If so, what do I need to be doing to get that to happen?
> 
> I've googled this to death and not encountered this precise problem.
> 
> TIA
> Guy
> 
> 
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-- 
Moore's Law of Mad Science: Every eighteen months, the minimum IQ
necessary to destroy the world drops by one point.



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